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xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-1-4"><li class="px-[22px] py-[8px]"><a class="text-white" href="/solutions/software/">All Software</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/conquest/">ConQuest</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/csd/">The Cambridge Structural Database (CSD)</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/csd-crossminer/">CSD-CrossMiner</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/free-mercury/">Free Mercury</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/solutions/software/gold/">GOLD</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/macromolecule-hub/">Macromolecule Hub</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/solutions/software/mercury/">Mercury</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/webcsd/">WebCSD</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/free-products/">Free Software</a></li></ul></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="1-5"><span class="link-blue">Software Integrations</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-1-5"><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/">All Integrations with Other Software</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/biovia/">Biovia GOLD Docking</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-knime-nodes-component-collection/">CSD KNIME Nodes Component Collection</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-linker-database/">CSD Linker Database</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-pipeline-pilot-component-collection/">CSD Pipeline Pilot Component Collection</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-recore-index/">CSD ReCore Index</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/malvern-panalyticals-highscore-software-for-powder-diffraction/">Malvern Panalytical's HighScore Software</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/spark-csd-fragment-database/">Spark CSD Fragment Database</a></li></ul></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="1-6"><span class="link-blue">About the CSD</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-1-6"><li class="px-[22px] py-[8px]"><a class="text-white" href="/solutions/about-the-csd/">CSD Overview</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/solutions/about-the-csd/csd-statistics/">CSD Statistics</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/solutions/about-the-csd/csd-subsets/">CSD Subsets</a></li></ul></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/solutions/csd-licence/"><span class="link-blue">How CSD Licences Work</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/solutions/whats-new/"><span class="link-blue">Latest Updates</span></a></li></ul></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border"><span class="js-top-level-menu-item flex items-center px-[22px] text-[18px] font-medium leading-none text-center h-[82px] w-full" menu-id="2">Community</span><div class="flex flex-col justify-start js-mobile-sub-menu absolute left-0 top-0 w-full h-full bg-black overflow-scroll mobile-menu-2 z-20"><div class="w-full border-grey-dark border-r text-left px-[19px] py-[33px]"><p>Back</p><h3 class="h3 mb-2 text-white">Community</h3><p class="leading-[24.65px]"></p></div><div class="w-full text-left"><ul><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/community/"><span class="link-blue">Community Overview</span></a></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="2-1"><span class="link-blue">Access/Deposit Structures</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-2-1"><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/access-deposit-structures/deposit-a-structure/">Deposit a Structure</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/structures/">Access Structures</a></li></ul></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/community/access-deposit-structures/deposit-a-structure/csd-communications/"><span class="link-blue">CSD Communications</span></a></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="2-3"><span class="link-blue">CCDC for the Community</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-2-3"><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/ccdc-for-the-community/awards-and-sponsorship/">Awards and Sponsorship</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/ccdc-for-the-community/phd-studentships/">PhD Studentships</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/ccdc-for-the-community/people-in-the-community/">People in the Community</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/ccdc-for-the-community/people-in-the-community/csd-champions/">CSD Champions</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/ccdc-for-the-community/faire-grants/">FAIRE Grants</a></li></ul></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="2-4"><span class="link-blue">Partnerships and Initiatives</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-2-4"><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/">Partnerships and Initiatives Overview</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/">CSP Blind Test</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/partnerships/">Memberships and Partnerships</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/industry-led-development/">Industry-led Development</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/about-the-csd/csd-data-partnerships/">CSD Data Partnerships</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/">Software Integrations</a></li></ul></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="2-5"><span class="link-blue">Education and Outreach</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-2-5"><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/education-and-outreach/">Education and Outreach Overview</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/education-and-outreach/education/">Education</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/education-and-outreach/outreach/">Outreach</a></li></ul></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/community/events/"><span class="link-blue">Events</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/free-products/"><span class="link-blue">Free Products</span></a></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="2-8"><span class="link-blue">Training and Learning</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-2-8"><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/training-and-learning/">Training and Learning Overview</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/training-and-learning/csdu-modules/">Free Online Courses</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/training-and-learning/workshop-materials/">Self-Guided Workshops</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/training-and-learning/ccdc-videos/">Training and Support Videos</a></li></ul></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="https://www.ccdc.cam.ac.uk/contact-us/#newsletter"><span class="link-blue">Newsletter</span></a></li></ul></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border"><span class="js-top-level-menu-item flex items-center px-[22px] text-[18px] font-medium leading-none text-center h-[82px] w-full" menu-id="3">Discover</span><div class="flex flex-col justify-start js-mobile-sub-menu absolute left-0 top-0 w-full h-full bg-black overflow-scroll mobile-menu-3 z-20"><div class="w-full border-grey-dark border-r text-left px-[19px] py-[33px]"><p>Back</p><h3 class="h3 mb-2 text-white">Discover</h3><p class="leading-[24.65px]">Learn more and see how CSD data and software have been applied through case studies, webinars, whitepapers and more.</p></div><div class="w-full text-left"><ul><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/discover/"><span class="link-blue">Discover All</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/discover/case-studies/"><span class="link-blue">Case Studies</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/community/events/webinars/"><span class="link-blue">Webinars</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/discover/whitepapers/"><span class="link-blue">White Papers</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/discover/blog/"><span class="link-blue">Blogs</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/discover/news/"><span class="link-blue">News</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/community/events/"><span class="link-blue">Events</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/contact-us/#newsletter"><span class="link-blue">Newsletter</span></a></li></ul></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border"><span class="js-top-level-menu-item flex items-center px-[22px] text-[18px] font-medium leading-none text-center h-[82px] w-full" menu-id="4">Consultancy Services</span><div class="flex flex-col justify-start js-mobile-sub-menu absolute left-0 top-0 w-full h-full bg-black overflow-scroll mobile-menu-4 z-20"><div class="w-full border-grey-dark border-r text-left px-[19px] py-[33px]"><p>Back</p><h3 class="h3 mb-2 text-white">Consultancy Services</h3><p class="leading-[24.65px]"></p></div><div class="w-full text-left"><ul><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/consultancy-services/"><span class="link-blue">Consultancy Services Overview</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/consultancy-services/bespoke-training/"><span class="link-blue">Bespoke Training</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/consultancy-services/data-management/"><span class="link-blue">Data Management</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/consultancy-services/scientific-consultancy/"><span class="link-blue">Scientific Consultancy</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/consultancy-services/technical-consultancy/"><span class="link-blue">Technical Consultancy</span></a></li></ul></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border"><span class="js-top-level-menu-item flex items-center px-[22px] text-[18px] font-medium leading-none text-center h-[82px] w-full" menu-id="5">Research</span><div class="flex flex-col justify-start js-mobile-sub-menu absolute left-0 top-0 w-full h-full bg-black overflow-scroll mobile-menu-5 z-20"><div class="w-full border-grey-dark border-r text-left px-[19px] py-[33px]"><p>Back</p><h3 class="h3 mb-2 text-white">Research</h3><p class="leading-[24.65px]"></p></div><div class="w-full text-left"><ul><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/"><span class="link-blue">Research Overview</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/exploratory/"><span class="link-blue">Exploratory Science</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/discovery-science/"><span class="link-blue">Discovery Science</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/solid-form/"><span class="link-blue">Solid Form Science</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/computational-science/"><span class="link-blue">Computational and Data Science</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/particle-science/"><span class="link-blue">Particle Science</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/functional-materials/"><span class="link-blue">Functional Materials Science</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/grants/"><span class="link-blue">Grants</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/research/ccdc-publications/"><span class="link-blue">CCDC Publications</span></a></li></ul></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border"><span class="js-top-level-menu-item flex items-center px-[22px] text-[18px] font-medium leading-none text-center h-[82px] w-full" menu-id="6">Support and Resources</span><div class="flex flex-col justify-start js-mobile-sub-menu absolute left-0 top-0 w-full h-full bg-black overflow-scroll mobile-menu-6 z-20"><div class="w-full border-grey-dark border-r text-left px-[19px] py-[33px]"><p>Back</p><h3 class="h3 mb-2 text-white">Support and Resources</h3><p class="leading-[24.65px]"></p></div><div class="w-full text-left"><ul><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/support-and-resources/"><span class="link-blue">Support and Resources Overview</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/support-and-resources/documentation-and-resources/"><span class="link-blue">Documentation and Resources</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/support-and-resources/support/"><span class="link-blue">FAQs</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/support-and-resources/download-the-csd/"><span class="link-blue">Downloads</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/support-and-resources/licensing-information/"><span class="link-blue">Licensing Information</span></a></li><li class=""><span class="flex justify-between items-center text-white border-grey-dark border-t border-b text-[18px] pl-[24px] py-[24px] flex justify-start items-center font-medium block h-[82px] w-full" mob-submenu-id="6-5"><span class="link-blue">Training and Learning</span><span class="flex justify-center items-center border-l border-[#313139] h-full w-[68px]"><svg width="14" height="9" viewBox="0 0 14 9" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M13.7812 1.25L13.1875 0.625C13.0312 0.46875 12.7812 0.46875 12.6562 0.625L7 6.28125L1.3125 0.625C1.1875 0.46875 0.9375 0.46875 0.78125 0.625L0.1875 1.25C0.03125 1.375 0.03125 1.625 0.1875 1.78125L6.71875 8.3125C6.875 8.46875 7.09375 8.46875 7.25 8.3125L13.7812 1.78125C13.9375 1.625 13.9375 1.375 13.7812 1.25Z" fill="white"></path></svg></span></span><ul class="bg-[#242424] js-mobile-sub-sub-menu sub-sub-menu-6-5"><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/training-and-learning/csdu-modules/">Free Online Courses</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/training-and-learning/workshop-materials/">Self-Guided Workshops</a></li><li class="px-[22px] py-[8px]"><a class="text-white" href="/community/training-and-learning/ccdc-videos/">Training and Support Videos</a></li></ul></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/support-and-resources/contact-support/"><span 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h-[82px] w-full" href="/about-us/careers/"><span class="link-blue">Careers</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/about-us/legal-status/"><span class="link-blue">Charitable Status</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/about-us/management-governance/"><span class="link-blue">Management & Governance</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/ccdc-inc/"><span class="link-blue">CCDC Inc</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/about-us/history-of-the-ccdc/"><span class="link-blue">History of the CCDC</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/about-us/accreditation-and-policies/"><span class="link-blue">Accreditation and Policies</span></a></li><li class=""><a class="text-white border-grey-dark border-y text-[18px] p-[24px] flex justify-start items-center font-medium block h-[82px] w-full" href="/contact-us/"><span class="link-blue">Contact Us</span></a></li></ul></div></div></li></ul></div><div class="nav bg-white h-auto w-full hidden lg:block"><ul class="top-nav flex h-1/3 bg-grey-lightest border-grey-light border-b"><li class="w-1/3 text-[12px] font-bold leading-none text-center border-grey-light border-r flex justify-center items-center "><a target="_blank" href="https://www.ccdc.cam.ac.uk/community/access-deposit-structures/deposit-a-structure/" class="hover:text-blue transition-colors h-full w-full flex 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class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/solutions/">Solutions Overview</a></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="1-1">By Field</span></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="1-2">By Use Case</span></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="1-3">By Suite</span></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="1-4">Software</span></li><li class="linebreak mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="1-5">Software Integrations</span></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="1-6">About the CSD</span></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/solutions/csd-licence/">How CSD Licences Work</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/solutions/whats-new/">Latest Updates</a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-0"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto 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href="https://www.ccdc.cam.ac.uk/solutions/by-field/functional-materials/"><span class="link-text">Functional Materials</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-field/teaching/"><span class="link-text">Teaching and Learning</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-2"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/solutions-by-use-case/"><span class="link-text">All Solutions By Use Case</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-use-case/discover-new-molecules/"><span class="link-text">Discover New Molecules</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-use-case/develop-new-materials/"><span class="link-text">Unlock Solid Form Innovation</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-use-case/search-known-small-molecules/"><span class="link-text">Search Known Small Molecules</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-use-case/manage-csp-landscapes/"><span class="link-text">Manage CSP Landscapes</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-use-case/understand-particle-behaviour/"><span class="link-text">Understand Particle Behaviour</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-use-case/end-to-end-molecular-design/"><span class="link-text">End to End Molecular Design</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/by-use-case/learn-and-educate/"><span class="link-text">Learn and Educate</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/consultancy-services/"><span class="link-text">Get Expert Support</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-3"><ul><li class="title mt-8 first:mt-0"><a target="" class="text-white" href="/suites/"><span class="link-text">All Software Suites</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/by-use-case/learn-and-educate/"><span class="link-text">CSD-Community</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/by-use-case/search-known-small-molecules/"><span class="link-text">CSD-Core</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/by-use-case/discover-new-molecules/"><span class="link-text">CSD-Discovery</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/by-use-case/develop-new-materials/"><span class="link-text">CSD-Materials</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/by-use-case/end-to-end-molecular-design/"><span class="link-text">CSD-Enterprise</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/by-use-case/understand-particle-behaviour/"><span class="link-text">CSD-Particle</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/by-use-case/manage-csp-landscapes/"><span class="link-text">CSD-Theory</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-4"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/software/"><span class="link-text">All Software</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/conquest/"><span class="link-text">ConQuest</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/csd/"><span class="link-text">The Cambridge Structural Database (CSD)</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/csd-crossminer/"><span class="link-text">CSD-CrossMiner</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/free-mercury/"><span class="link-text">Free Mercury</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/software/gold/"><span class="link-text">GOLD</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/macromolecule-hub/"><span class="link-text">Macromolecule Hub</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/software/mercury/"><span class="link-text">Mercury</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/software/webcsd/"><span class="link-text">WebCSD</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/free-products/"><span class="link-text">Free Software</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-5"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/"><span class="link-text">All Integrations with Other Software</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/biovia/"><span class="link-text">Biovia GOLD Docking</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-knime-nodes-component-collection/"><span class="link-text">CSD KNIME Nodes Component Collection</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-linker-database/"><span class="link-text">CSD Linker Database</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-pipeline-pilot-component-collection/"><span class="link-text">CSD Pipeline Pilot Component Collection</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/csd-recore-index/"><span class="link-text">CSD ReCore Index</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/malvern-panalyticals-highscore-software-for-powder-diffraction/"><span class="link-text">Malvern Panalytical's HighScore Software</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/spark-csd-fragment-database/"><span class="link-text">Spark CSD Fragment Database</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-6"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/about-the-csd/"><span class="link-text">CSD Overview</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/about-the-csd/csd-statistics/"><span class="link-text">CSD Statistics</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/solutions/about-the-csd/csd-subsets/"><span class="link-text">CSD Subsets</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-7"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-1-8"><ul></ul></div><div class="absolute z-[-1] top-[-50%] left-[-50%] w-[200%] h-[200VH]"></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border-r"><span class="flex justify-center items-center px-[8px] w-full h-full text-btn font-medium js-top-level-menu-item cursor-pointer" menu-id="2">Community</span><div class="flex justify-start sub-menu js-sub-menu absolute left-0 top-[100px] w-full bg-black border-b border-black-border menu-2"><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] border-black-border border-r text-left"><span class="h3 mb-[26px] text-white link-text inline-block">Community</span><p class="leading-[24.65px]"></p></div><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left max-h-[calc(100vh-100px)] overflow-auto"><ul><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/community/">Community Overview</a></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="2-1">Access/Deposit Structures</span></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/community/access-deposit-structures/deposit-a-structure/csd-communications/">CSD Communications</a></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="2-3">CCDC for the Community</span></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="2-4">Partnerships and Initiatives</span></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="2-5">Education and Outreach</span></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/community/events/">Events</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/free-products/">Free Products</a></li><li class=" mb-[26px] last:mb-0"><span class="text-grey-dark-2 js-second-level-menu-item hover:text-white js-second-level-menu-item cursor-pointer" submenu-id="2-8">Training and Learning</span></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="https://www.ccdc.cam.ac.uk/contact-us/#newsletter">Newsletter</a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-0"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-1"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/access-deposit-structures/deposit-a-structure/"><span class="link-text">Deposit a Structure</span></a></li><li class=" mt-8 first:mt-0"><a target="_blank" class="text-white" href="/structures/"><span class="link-text">Access Structures</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-2"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-3"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/ccdc-for-the-community/awards-and-sponsorship/"><span class="link-text">Awards and Sponsorship</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/ccdc-for-the-community/phd-studentships/"><span class="link-text">PhD Studentships</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/ccdc-for-the-community/people-in-the-community/"><span class="link-text">People in the Community</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/ccdc-for-the-community/people-in-the-community/csd-champions/"><span class="link-text">CSD Champions</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/ccdc-for-the-community/faire-grants/"><span class="link-text">FAIRE Grants</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-4"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/"><span class="link-text">Partnerships and Initiatives Overview</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/"><span class="link-text">CSP Blind Test</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/partnerships/"><span class="link-text">Memberships and Partnerships</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/community/ccdc-for-the-community/partnerships-and-initiatives/industry-led-development/"><span class="link-text">Industry-led Development</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/solutions/about-the-csd/csd-data-partnerships/"><span class="link-text">CSD Data Partnerships</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="https://www.ccdc.cam.ac.uk/csd-integratable-software/"><span class="link-text">Software Integrations</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-5"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/education-and-outreach/"><span class="link-text">Education and Outreach Overview</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/education-and-outreach/education/"><span class="link-text">Education</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/education-and-outreach/outreach/"><span class="link-text">Outreach</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-6"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-7"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-8"><ul><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/training-and-learning/"><span class="link-text">Training and Learning Overview</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/training-and-learning/csdu-modules/"><span class="link-text">Free Online Courses</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/training-and-learning/workshop-materials/"><span class="link-text">Self-Guided Workshops</span></a></li><li class=" mt-8 first:mt-0"><a target="" class="text-white" href="/community/training-and-learning/ccdc-videos/"><span class="link-text">Training and Support Videos</span></a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-2-9"><ul></ul></div><div class="absolute z-[-1] top-[-50%] left-[-50%] w-[200%] h-[200VH]"></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border-r"><span class="flex justify-center items-center px-[8px] w-full h-full text-btn font-medium js-top-level-menu-item cursor-pointer" menu-id="3">Discover</span><div class="flex justify-start sub-menu js-sub-menu absolute left-0 top-[100px] w-full bg-black border-b border-black-border menu-3"><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] border-black-border border-r text-left"><span class="h3 mb-[26px] text-white link-text inline-block">Discover</span><p class="leading-[24.65px]">Learn more and see how CSD data and software have been applied through case studies, webinars, whitepapers and more.</p></div><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left max-h-[calc(100vh-100px)] overflow-auto"><ul><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/discover/">Discover All</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/discover/case-studies/">Case Studies</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/community/events/webinars/">Webinars</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/discover/whitepapers/">White Papers</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/discover/blog/">Blogs</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/discover/news/">News</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/community/events/">Events</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/contact-us/#newsletter">Newsletter</a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-0"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-1"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-2"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-3"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-4"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-5"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-6"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-3-7"><ul></ul></div><div class="absolute z-[-1] top-[-50%] left-[-50%] w-[200%] h-[200VH]"></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border-r"><span class="flex justify-center items-center px-[8px] w-full h-full text-btn font-medium js-top-level-menu-item cursor-pointer" menu-id="4">Consultancy Services</span><div class="flex justify-start sub-menu js-sub-menu absolute left-0 top-[100px] w-full bg-black border-b border-black-border menu-4"><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] border-black-border border-r text-left"><span class="h3 mb-[26px] text-white link-text inline-block">Consultancy Services</span><p class="leading-[24.65px]"></p></div><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left max-h-[calc(100vh-100px)] overflow-auto"><ul><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/consultancy-services/">Consultancy Services Overview</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/consultancy-services/bespoke-training/">Bespoke Training</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/consultancy-services/data-management/">Data Management</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/consultancy-services/scientific-consultancy/">Scientific Consultancy</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/consultancy-services/technical-consultancy/">Technical Consultancy</a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-4-0"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-4-1"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-4-2"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-4-3"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-4-4"><ul></ul></div><div class="absolute z-[-1] top-[-50%] left-[-50%] w-[200%] h-[200VH]"></div></div></li><li class="inline-flex items-center flex-1 h-full text-center border-grey-light border-r"><span class="flex justify-center items-center px-[8px] w-full h-full text-btn font-medium js-top-level-menu-item cursor-pointer" menu-id="5">Research</span><div class="flex justify-start sub-menu js-sub-menu absolute left-0 top-[100px] w-full bg-black border-b border-black-border menu-5"><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] border-black-border border-r text-left"><span class="h3 mb-[26px] text-white link-text inline-block">Research</span><p class="leading-[24.65px]"></p></div><div class="w-1/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left max-h-[calc(100vh-100px)] overflow-auto"><ul><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/">Research Overview</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/exploratory/">Exploratory Science</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/discovery-science/">Discovery Science</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/solid-form/">Solid Form Science</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/computational-science/">Computational and Data Science</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/particle-science/">Particle Science</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/functional-materials/">Functional Materials Science</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/grants/">Grants</a></li><li class=" mb-[26px] last:mb-0"><a target="" class="text-grey-dark-2 js-second-level-menu-item hover:text-white" href="/research/ccdc-publications/">CCDC Publications</a></li></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-5-0"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-5-1"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-5-2"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden border-black-border border-l submenu submenu-5-3"><ul></ul></div><div class="third-menu w-1/2 js-third-menu w-2/4 p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] text-left overflow-auto max-h-[calc(100vh-100px)] hidden 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class="breadcrumb_last" aria-current="page">CSP Blind Tests</span></span></p></div></div><div class="hero-content-wrap max-w-[1595px] p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px]"><h1 class="text-h1-alt md:text-h1-alt-md lg:text-h1-alt-lg xl:text-h1-alt-xl 2xl:text-h1-alt-2xl 3xl:text-h1-alt-3xl">CSP Blind Tests</h1></div></div></div></section></div><div><section class="wysiwyg-grid wysiwyg-grid-bg-white" id=""><div class="container overflow-hidden"><div class="bg-white text-black mr-[-2px] mb-[-2px]"><div class="grid grid-cols-1 lg:grid-cols-2 xl:grid-cols-2"><div><div class="relative lg:min-h-[300px] lg:min-h-[550px] h-full border-r border-b border-grey-light p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px]"><div class="relative z-10 flex flex-col items-start justify-start lg:h-full"><div class="text-[19px] the_content w-full"><p><img loading="lazy" decoding="async" class="alignnone size-large wp-image-4008" src="/media/CSP-Crystal-Structure-Prediction-1024x512.png" alt="" width="1024" height="512" srcset="/media/./CSP-Crystal-Structure-Prediction-1024x512.png 1024w, /media/./CSP-Crystal-Structure-Prediction-300x150.png 300w, /media/./CSP-Crystal-Structure-Prediction-768x384.png 768w, /media/CSP-Crystal-Structure-Prediction.png 1181w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></p> <p><em>CSP or Crystal Structure Prediction, is the science of predicting the crystal structure of a molecule given only its 2D molecular structure. The CCDC CSP Blind Test brings together researchers at the forefront of this field to test their methods against real targets.</em></p> </div><br/></div></div></div><div><div class="relative lg:min-h-[300px] lg:min-h-[550px] h-full border-r border-b border-grey-light p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px]"><div class="relative z-10 flex flex-col items-start justify-start lg:h-full"><h3 class="mb-[15px]">Crystal Structure Prediction Blind Tests</h3><div class="text-[19px] the_content w-full"><p>Since 1999 the CCDC has held Crystal Structure Prediction (CSP) Blind Tests to bring together scientists in this field and advance methods.</p> <p>This complex field can potentially reduce risks and generate new ideas in various fields such as drug design. Factors such as molecular conformation, packing patterns, and varying polymorphic forms mean it is not simple to go from a 2D molecular structure to a 3D crystal structure.</p> <p>The CSP Blind Test brings together scientists in the field from industry and academia to test their methods against a real example in a controlled environment and make connections in the CSP community.</p> <h3>Update October 2024</h3> <p>The results and conclusions of the 7th CSP Blind Test have been published in <em>Acta Crystallographica</em>:</p> <ul> <li><a href="https://doi.org/10.1107/S2052520624007492" target="_blank" rel="noopener">The Seventh Blind Test of Crystal Structure Prediction: Structure Generation Methods – Hunnisett <em>et al</em>., <em>J. Acta. Cryst</em>. B80, Dec 2024</a>.</li> <li><a href="https://doi.org/10.1107/S2052520624008679" target="_blank" rel="noopener">The Seventh Blind Test of Crystal Structure Prediction: Structure Ranking Methods – Hunnisett <em>et al</em>., <em>J. Acta. Cryst.</em>, B80, Dec 2024.</a></li> </ul> </div><br/></div></div></div></div></div></div></section></div><div><section><span id="" class="anchor-point"></span><div class="container"><div class="bg-white p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px]"><div class=" flex flex-wrap justify-center"><div class="w-full lg:w-6/12 the_content overflow-hidden"><div><h3>How Does the CSP Blind Test Work?</h3> <p>A selection of small molecules which have been solved experimentally, but remain unpublished, are selected by the organisers. Only their 2D molecular structure and solvate conditions are released to participants.</p> <p>The participants have 1 year to make their predictions and submit them to the organisers.</p> <p>At the end of the test period, structures are revealed and each prediction is compared to the experimentally determined results.</p> <p>The end of test meeting allows all participants and organisers to discuss and reflect on the results and learnings which can be taken forward into future work.</p> <h3>Who Takes Part in the CSP Blind Test?</h3> <p>Participants in the CSP blind test include scientists working on CSP methods from academic, industrial and contract research organisations (CRO’s).</p> <h3>Video: Introduction to Crystal Structure Prediction</h3> <p>In this short video Jason Cole outlines what crystal structure prediction is, its impact and relevance in industrial settings such as pharmaceutical research, and introduces us to the CCDC CSP Blind<br /> Test.</p> <p> </p> <p><iframe loading="lazy" style="display: block; margin-left: auto; margin-right: auto;" src="https://www.youtube.com/embed/7nGV-xjjGeY" width="500" height="300" frameborder="0" allowfullscreen="allowfullscreen"></iframe></p> <p> </p> </div></div></div></div></div></section></div><div><section class="link-grid" id=""><div class="container overflow-hidden"><div class="bg-white text-black"><div class="grid grid-cols-1 lg:grid-cols-3 border-grey-light mr-[-2px] mb-[-2px]"><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/7th-csp-blind-test/"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">7th CSP Blind Test</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>Following on from the fantastic advances made through the past CSP blind tests, the seventh test posed new challenges, asks deeper questions, and examines method developments closely.</p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Find out more</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/7th-blind-test-rules/"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">Rules and Entry Information</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>A summarised form of the rules and entry pack is provided.</p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Find out more</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/7th-blind-test-info/"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">Information for Participants</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>How to participate once you have registered for the CSP Blind Test.</p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Find out more</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div></div></div></div></section></div><div><section class="link-grid" id=""><div class="container overflow-hidden"><div class="bg-white text-black"><div class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] lg:min-h-[252px] border-b border-grey-light flex flex-wrap items-end justify-between"><h2 class="h1">Past CSP Blind Tests</h2></div><div class="grid grid-cols-1 lg:grid-cols-3 border-grey-light mr-[-2px] mb-[-2px]"><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="https://doi.org/10.1107/S2052520616007447"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">Sixth CSP Blind Test - 2015</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>The sixth blind test ended in August 2015 and was the biggest to date, with 25 different submissions and over 90 researchers involved. The five target systems were a small relatively rigid molecule, a former drug candidate, with five known but unpublished polymorphs, a salt hydrate, a co-crystal, and the largest molecule in a blind test to date. All of the target systems were predicted, apart from a single <em>Z</em>’ = 2 polymorph of the drug candidate. Overall, the results are encouraging for the development and maturity of CSP methods, which are now applicable to larger molecules and more complex solid forms such as hydrates and salts.</p> <p>The full results of the sixth blind test are published in a <a href="http://journals.iucr.org/b/issues/2016/04/00/index.html">special issue</a> of Acta Cryst. B.</p> <p><img loading="lazy" decoding="async" class="size-medium wp-image-6396 aligncenter" src="/media/CSP2c-300x185.png" alt="Target XXIV in the six blind test of organic CSP methods, which is a chloride salt hydrate of (Z)-3-((diaminomethyl)thio)acrylic acid." width="300" height="185" srcset="/media/./CSP2c-300x185.png 300w, /media/CSP2c.png 753w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p> <p style="text-align: center;"><em>Target XXIV in the six blind test of organic CSP methods, which is a chloride salt hydrate of (Z)-3-((diaminomethyl)thio)acrylic acid.</em></p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Report on the sixth blind test of organic crystal structure prediction methods. A.M. Reilly et al. Acta Cryst. B72, 439-459, 2016</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="https://doi.org/10.1107/S0108768111042868"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">Fifth CSP Blind Test - 2010</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>The fifth blind test ran in 2010 with the final summary report published in 2011. The test included a variety of targets, from rigid and semi-flexible molecules, to a 1:1 salt, as well as a larger more flexible molecule and a hydrate with multiple polymorphs. While there were fewer successful results than previous years, there was at least one successful result for each target. The results also showed the progress made in methodologies such as dispersion-corrected density functional theory (DFT-D) which has become much more reliable.</p> <p><img loading="lazy" decoding="async" class="size-medium wp-image-6399 aligncenter" src="/media/molecule-XX-fifth-CSP-blind-test-300x109.jpg" alt="Target XX in the fifth CSP Blind Test - a highly flexible compound with eight exocyclic torsion angles. Benzyl-(4-(4-methyl-5-(p-tolylsulfonyl)-1,3-thiazol-2-yl)phenyl)carbamate (C25H22N2O4S2)" width="300" height="109" srcset="/media/./molecule-XX-fifth-CSP-blind-test-300x109.jpg 300w, /media/./molecule-XX-fifth-CSP-blind-test-1024x372.jpg 1024w, /media/./molecule-XX-fifth-CSP-blind-test-768x279.jpg 768w, /media/./molecule-XX-fifth-CSP-blind-test-1536x558.jpg 1536w, /media/molecule-XX-fifth-CSP-blind-test.jpg 1800w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p> <p style="text-align: center;"><em>Target XX in the fifth CSP Blind Test – a highly flexible compound with eight exocyclic torsion angles. Benzyl-(4-(4-methyl-5-(<span class="it"><i>p</i></span>-tolylsulfonyl)-1,3-thiazol-2-yl)phenyl)carbamate (C<span class="inf"><sub>25</sub></span>H<span class="inf"><sub>22</sub></span>N<span class="inf"><sub>2</sub></span>O<span class="inf"><sub>4</sub></span>S<span class="inf"><sub>2</sub></span>)</em></p> <p> </p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Read more in the summary report; Towards crystal structure prediction of complex organic compounds - a report on the fifth blind test. D. Bardwell, et al, Acta Cryst. B67, 535-551</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="https://doi.org/10.1107/S0108768109004066"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">Fourth CSP Blind Test - 2007</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>The fourth blind test started in 2007, with 14 research groups taking part. Across the four targets, we saw a dramatic improvement in successful predictions compared to previous tests. This reflects important improvements in methods and suggest that for small and rigid molecules calculations are able to aid understanding in crystallization and polymorphism of organic molecules.</p> <p><img loading="lazy" decoding="async" class="alignnone size-medium wp-image-6400 aligncenter" src="/media/mol-XIV-fourth-CSP-blind-test-300x110.jpg" alt="Molecule XIV from the fourth CSP Blind Test - N-(Dimethylthiocarbamoyl)benzothiazole-2-thione (C10N10N2S3)" width="300" height="110" srcset="/media/./mol-XIV-fourth-CSP-blind-test-300x110.jpg 300w, /media/./mol-XIV-fourth-CSP-blind-test-1024x376.jpg 1024w, /media/./mol-XIV-fourth-CSP-blind-test-768x282.jpg 768w, /media/./mol-XIV-fourth-CSP-blind-test-1536x564.jpg 1536w, /media/mol-XIV-fourth-CSP-blind-test.jpg 1800w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p> <p style="text-align: center;"><em>Molecule XIV from the fourth CSP Blind Test – <span class="it"><i>N</i></span>-(Dimethylthiocarbamoyl)benzothiazole-2-thione (C<span class="inf"><sub>10</sub></span>N<span class="inf"><sub>10</sub></span>N<span class="inf"><sub>2</sub></span>S<span class="inf"><sub>3</sub></span>)</em></p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Read more in the summary paper; Significant progress in predicting the crystal structures of small organic molecules – a report on the fourth blind test. G. Day, et al, Acta Cryst. B65, 107-125</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="https://doi.org/10.1107/S0108768105016563"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">Third CSP Blind Test - 2004</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>In the third CSP blind test a range of methods were employed by the 18 participating research groups. Most were based on the global minimization of lattice energy. Three targets were provided, with no restriction on the possible space group – unlike previous tests.</p> <p>The test saw lower success rates than previous ones, in part due to complexities in some of the targets. This highlights the need for better energy models which can describe conformational and packing energies with high accuracy.</p> <p><img loading="lazy" decoding="async" class="size-medium wp-image-6401 aligncenter" src="/media/mol-XI-third-CSP-blind-test-300x114.jpg" alt="Molecule XI from the third CSP Blind Test - Azetidine. With several possible arrangements for hydrogen bonding, the crystal structure is built up from chains containing two azetidine molecules in the asymmetric unit." width="300" height="114" srcset="/media/./mol-XI-third-CSP-blind-test-300x114.jpg 300w, /media/./mol-XI-third-CSP-blind-test-1024x389.jpg 1024w, /media/./mol-XI-third-CSP-blind-test-768x292.jpg 768w, /media/./mol-XI-third-CSP-blind-test-1536x584.jpg 1536w, /media/mol-XI-third-CSP-blind-test.jpg 1800w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p> <p style="text-align: center;"><em>Molecule XI from the third CSP Blind Test – Azetidine. With several possible arrangements for hydrogen bonding, the crystal structure is built up from chains containing two azetidine molecules in the asymmetric unit.</em></p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Read more in the summary paper; A third blind test of crystal structure prediction. G. Day. et al, Acta Cryst. B61, 511-527</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="https://doi.org/10.1107/S0108768102005669"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">Second CSP Blind Test - 2001</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>The second CSP Blind Test saw 17 participants predict the crystal structure of three organic molecules. A maximum of three predictions were allowed for each molecule, with many correct predictions observed. A secondary test using non-indexed powder diffraction data was performed after submissions.</p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Read more in the summary paper; Crystal structure prediction of small organic molecules: a second blind test. W. D. S. Motherwell. et al, Acta Cryst. B58, 647-661</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div><div class="grid-tile lg:min-h-[330px] 3xl:min-h-[500px] lg:border-r border-b border-grey-light relative overflow-hidden"><a target="_blank" class="p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] h-full flex items-start flex-row relative flex-wrap info-box theme-blue transition-all hover:bg-blue-light hover:text-white" href="https://doi.org/10.1107/S0108768100004584"><div class="w-full h-full flex lg:flex-col flex-wrap items-center lg:items-start"><h2 class="text-h5-sm lg:text-h5-lg 3xl:text-h5-3xl font-medium lg:mb-4 text-black">First CSP Blind Test - 1999</h2><div class="w-[calc(100%-28px)] lg:w-auto mt-[26px] the_content"><p>A collaborative workshop was held to test how well current methods of crystal structure prediction perform. The 11 participants were presented with the molecular structure of four compounds, which had been experimentally determined but as-yet unpublished. None of the methods gave consistently reliable results, but many proposed structures were close to the experimentally observed one. One target compound was observed to have two polymorphs, but only one form was predicted correctly.</p> </div><div class="pt-2 lg:pt-7 flex justify-between mt-auto w-full"><span class="font-medium text-xs flex justify-between w-full items-center"><span class="link-text hidden lg:block text-black">Read more in the summary report; A test of crystal structure prediction of small organic molecules. J. P. M. Lommerse. et al, Acta Cryst. B56, 697-714</span><span class="w-7 h-7 flex items-center justify-center bg-blue rounded-full icon transition-all ml-auto"><span class="block h-3 w-2.5"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512"><path d="m295.515 115.716-19.626 19.626c-4.753 4.753-4.675 12.484.173 17.14L356.78 230H12c-6.627 0-12 5.373-12 12v28c0 6.627 5.373 12 12 12h344.78l-80.717 77.518c-4.849 4.656-4.927 12.387-.173 17.14l19.626 19.626c4.686 4.686 12.284 4.686 16.971 0l131.799-131.799c4.686-4.686 4.686-12.284 0-16.971L312.485 115.716c-4.686-4.686-12.284-4.686-16.97 0z"></path></svg></span></span></span></div></div></a></div></div></div></div></section></div><div><section class="featured-blogs"><span id="" class="anchor-point"></span><div class="container"><div class="flex flex-wrap bg-white border-b border-grey-light"><div class="w-full lg:w-1/4 p-8 lg:p-16"><h2 class="h1 mb-6">Blind Test Blogs</h2><div></div><div class="pt-10"></div></div><div class="w-full lg:w-3/4 lg:border-l border-grey-light 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justify-center rounded-full mr-8 mt-1"><span class="block w-2.5 h-3 flex-shrink-0 flex items-center justify-center"><svg width="9" height="6" viewBox="0 0 9 6" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M5.32617 0.664062L4.97461 1.01562C4.9043 1.10352 4.9043 1.22656 4.99219 1.31445L6.39844 2.66797H0.351562C0.228516 2.66797 0.140625 2.77344 0.140625 2.87891V3.37109C0.140625 3.49414 0.228516 3.58203 0.351562 3.58203H6.39844L4.99219 4.95312C4.9043 5.04102 4.9043 5.16406 4.97461 5.25195L5.32617 5.60352C5.41406 5.67383 5.53711 5.67383 5.625 5.60352L7.94531 3.2832C8.01562 3.19531 8.01562 3.07227 7.94531 2.98438L5.625 0.664062C5.53711 0.59375 5.41406 0.59375 5.32617 0.664062Z" fill="#151518"></path></svg></span></span><span class="inline-block">Latest CSD Releases</span></a></li><li class="pt-[24px] w-full md:w-1/2 lg:w-1/3 lg:w-1/4"><a target="" class="flex justify-start border-grey-light border-b pb-[24px] mx-[32px] hover:text-blue transition-colors h-full" href="/support-and-resources/download-the-csd/"><span class="bg-blue h-5 w-5 flex-shrink-0 flex items-center justify-center rounded-full mr-8 mt-1"><span class="block w-2.5 h-3 flex-shrink-0 flex items-center justify-center"><svg width="9" height="6" viewBox="0 0 9 6" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M5.32617 0.664062L4.97461 1.01562C4.9043 1.10352 4.9043 1.22656 4.99219 1.31445L6.39844 2.66797H0.351562C0.228516 2.66797 0.140625 2.77344 0.140625 2.87891V3.37109C0.140625 3.49414 0.228516 3.58203 0.351562 3.58203H6.39844L4.99219 4.95312C4.9043 5.04102 4.9043 5.16406 4.97461 5.25195L5.32617 5.60352C5.41406 5.67383 5.53711 5.67383 5.625 5.60352L7.94531 3.2832C8.01562 3.19531 8.01562 3.07227 7.94531 2.98438L5.625 0.664062C5.53711 0.59375 5.41406 0.59375 5.32617 0.664062Z" fill="#151518"></path></svg></span></span><span class="inline-block">Download the CSD Data and Software</span></a></li><li class="pt-[24px] w-full md:w-1/2 lg:w-1/3 lg:w-1/4"><a target="" class="flex justify-start border-grey-light border-b pb-[24px] mx-[32px] hover:text-blue transition-colors h-full" href="/access-structures-terms/"><span class="bg-blue h-5 w-5 flex-shrink-0 flex items-center justify-center rounded-full mr-8 mt-1"><span class="block w-2.5 h-3 flex-shrink-0 flex items-center justify-center"><svg width="9" height="6" viewBox="0 0 9 6" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M5.32617 0.664062L4.97461 1.01562C4.9043 1.10352 4.9043 1.22656 4.99219 1.31445L6.39844 2.66797H0.351562C0.228516 2.66797 0.140625 2.77344 0.140625 2.87891V3.37109C0.140625 3.49414 0.228516 3.58203 0.351562 3.58203H6.39844L4.99219 4.95312C4.9043 5.04102 4.9043 5.16406 4.97461 5.25195L5.32617 5.60352C5.41406 5.67383 5.53711 5.67383 5.625 5.60352L7.94531 3.2832C8.01562 3.19531 8.01562 3.07227 7.94531 2.98438L5.625 0.664062C5.53711 0.59375 5.41406 0.59375 5.32617 0.664062Z" fill="#151518"></path></svg></span></span><span class="inline-block">Access Structures Terms of Use</span></a></li><li class="pt-[24px] w-full md:w-1/2 lg:w-1/3 lg:w-1/4"><a target="" class="flex justify-start border-grey-light border-b pb-[24px] mx-[32px] hover:text-blue transition-colors h-full" href="/cookie-policy/"><span class="bg-blue h-5 w-5 flex-shrink-0 flex items-center justify-center rounded-full mr-8 mt-1"><span class="block w-2.5 h-3 flex-shrink-0 flex items-center justify-center"><svg width="9" height="6" viewBox="0 0 9 6" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M5.32617 0.664062L4.97461 1.01562C4.9043 1.10352 4.9043 1.22656 4.99219 1.31445L6.39844 2.66797H0.351562C0.228516 2.66797 0.140625 2.77344 0.140625 2.87891V3.37109C0.140625 3.49414 0.228516 3.58203 0.351562 3.58203H6.39844L4.99219 4.95312C4.9043 5.04102 4.9043 5.16406 4.97461 5.25195L5.32617 5.60352C5.41406 5.67383 5.53711 5.67383 5.625 5.60352L7.94531 3.2832C8.01562 3.19531 8.01562 3.07227 7.94531 2.98438L5.625 0.664062C5.53711 0.59375 5.41406 0.59375 5.32617 0.664062Z" 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2.98438L5.625 0.664062C5.53711 0.59375 5.41406 0.59375 5.32617 0.664062Z" fill="#151518"></path></svg></span></span><span class="inline-block">Licence Agreement</span></a></li><li class="pt-[24px] w-full md:w-1/2 lg:w-1/3 lg:w-1/4"><a target="" class="flex justify-start border-grey-light border-b pb-[24px] mx-[32px] hover:text-blue transition-colors h-full" href="/terms-and-conditions/"><span class="bg-blue h-5 w-5 flex-shrink-0 flex items-center justify-center rounded-full mr-8 mt-1"><span class="block w-2.5 h-3 flex-shrink-0 flex items-center justify-center"><svg width="9" height="6" viewBox="0 0 9 6" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M5.32617 0.664062L4.97461 1.01562C4.9043 1.10352 4.9043 1.22656 4.99219 1.31445L6.39844 2.66797H0.351562C0.228516 2.66797 0.140625 2.77344 0.140625 2.87891V3.37109C0.140625 3.49414 0.228516 3.58203 0.351562 3.58203H6.39844L4.99219 4.95312C4.9043 5.04102 4.9043 5.16406 4.97461 5.25195L5.32617 5.60352C5.41406 5.67383 5.53711 5.67383 5.625 5.60352L7.94531 3.2832C8.01562 3.19531 8.01562 3.07227 7.94531 2.98438L5.625 0.664062C5.53711 0.59375 5.41406 0.59375 5.32617 0.664062Z" fill="#151518"></path></svg></span></span><span class="inline-block">Terms and Conditions</span></a></li><li class="pt-[24px] w-full md:w-1/2 lg:w-1/3 lg:w-1/4"><a target="" class="flex justify-start border-grey-light border-b pb-[24px] mx-[32px] hover:text-blue transition-colors h-full" href="/telemetry/"><span class="bg-blue h-5 w-5 flex-shrink-0 flex items-center justify-center rounded-full mr-8 mt-1"><span class="block w-2.5 h-3 flex-shrink-0 flex items-center justify-center"><svg width="9" height="6" viewBox="0 0 9 6" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M5.32617 0.664062L4.97461 1.01562C4.9043 1.10352 4.9043 1.22656 4.99219 1.31445L6.39844 2.66797H0.351562C0.228516 2.66797 0.140625 2.77344 0.140625 2.87891V3.37109C0.140625 3.49414 0.228516 3.58203 0.351562 3.58203H6.39844L4.99219 4.95312C4.9043 5.04102 4.9043 5.16406 4.97461 5.25195L5.32617 5.60352C5.41406 5.67383 5.53711 5.67383 5.625 5.60352L7.94531 3.2832C8.01562 3.19531 8.01562 3.07227 7.94531 2.98438L5.625 0.664062C5.53711 0.59375 5.41406 0.59375 5.32617 0.664062Z" fill="#151518"></path></svg></span></span><span class="inline-block">CSD Software Telemetry</span></a></li></ul></div><div class="grid grid-cols-1 md:grid-cols-3 bg-white border-l border-r border-grey-light"><div class="grid-tile flex justify-start items-center !py-[20px] p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] border-grey-light border-r"><a class="font-[500] text-sm link-underline leading-none" href="/terms-and-conditions/">Terms of Use</a></div><div class="grid-tile flex justify-start items-center !py-[20px] p-[24px] md:p-[32px] lg:p-[40px] xl:p-[48px] 2xl:p-[56px] 3xl:p-[64px] border-grey-light border-r"><a class="font-[500] text-sm link-underline leading-none" href="/privacy-policy/">Privacy Policy</a></div><div class="grid-tile flex justify-start 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window.addEventListener('load', function() { console.log("test234"); var textareas = document.querySelectorAll(".g-recaptcha-response"); textareas.forEach(function(textarea) { textarea.setAttribute("aria-hidden", "true"); textarea.setAttribute("aria-label", "do not use"); textarea.setAttribute("aria-readonly", "true"); }); }); </script></footer></div><script id="__NEXT_DATA__" type="application/json">{"props":{"pageProps":{"page":{"info":{"title":"CSP Blind Tests","yoast_title":"CSP Blind Tests | CCDC","yoast_description":"","permalink":"https://ccdc.cruciblecreative.co.uk/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/","featured_image":false,"content":"","published":"October 31, 2022","last_updated":"October 25, 2024","excerpt":"","template":"","breadcrumbs":"\u003cp id=\"breadcrumbs\"\u003e\u003cspan\u003e\u003cspan\u003e\u003ca href=\"https://ccdc12prod.wpengine.com/\"\u003eCCDC\u003c/a\u003e\u003c/span\u003e \u0026gt; \u003cspan\u003e\u003ca href=\"https://ccdc12prod.wpengine.com/community/\"\u003eScientific Community\u003c/a\u003e\u003c/span\u003e \u0026gt; \u003cspan\u003e\u003ca href=\"https://ccdc12prod.wpengine.com/community/ccdc-for-the-community/\"\u003eThe CCDC for the Community\u003c/a\u003e\u003c/span\u003e \u0026gt; \u003cspan\u003e\u003ca href=\"https://ccdc12prod.wpengine.com/community/ccdc-for-the-community/partnerships-and-initiatives/\"\u003ePartnerships and Initiatives\u003c/a\u003e\u003c/span\u003e \u0026gt; \u003cspan class=\"breadcrumb_last\" aria-current=\"page\"\u003eCSP Blind Tests\u003c/span\u003e\u003c/span\u003e\u003c/p\u003e","author":"Michael Francis"},"acf":[{"acf_fc_layout":"title","title":"CSP Blind Tests","label":"","tag":"h1","show_breadcrumbs":true},{"acf_fc_layout":"wysiwyg_row","title":"","add_cta":false,"cta_type":"internal","internal_link":null,"external_link":"","email_address":"","anchor_link_id":"","cta_label":"Read more","grid_layout":"two_items","grid_items":[{"acf_fc_layout":"grid_item","title":"","content":"\u003cp\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-4008\" src=\"https://www.ccdc.cam.ac.uk/media/CSP-Crystal-Structure-Prediction-1024x512.png\" alt=\"\" width=\"1024\" height=\"512\" srcset=\"https://www.ccdc.cam.ac.uk/media/./CSP-Crystal-Structure-Prediction-1024x512.png 1024w, https://www.ccdc.cam.ac.uk/media/./CSP-Crystal-Structure-Prediction-300x150.png 300w, https://www.ccdc.cam.ac.uk/media/./CSP-Crystal-Structure-Prediction-768x384.png 768w, https://www.ccdc.cam.ac.uk/media/CSP-Crystal-Structure-Prediction.png 1181w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" /\u003e\u003c/p\u003e\n\u003cp\u003e\u003cem\u003eCSP or Crystal Structure Prediction, is the science of predicting the crystal structure of a molecule given only its 2D molecular structure. The CCDC CSP Blind Test brings together researchers at the forefront of this field to test their methods against real targets.\u003c/em\u003e\u003c/p\u003e\n","add_cta":false,"cta_type":"internal","anchor_link_id":"","email_address":"","internal_link":null,"external_link":"","cta_label":"Read more","add_background_image":false,"background_image_type":false,"icon":false},{"acf_fc_layout":"grid_item","title":"Crystal Structure Prediction Blind Tests","content":"\u003cp\u003eSince 1999 the CCDC has held Crystal Structure Prediction (CSP) Blind Tests to bring together scientists in this field and advance methods.\u003c/p\u003e\n\u003cp\u003eThis complex field can potentially reduce risks and generate new ideas in various fields such as drug design. Factors such as molecular conformation, packing patterns, and varying polymorphic forms mean it is not simple to go from a 2D molecular structure to a 3D crystal structure.\u003c/p\u003e\n\u003cp\u003eThe CSP Blind Test brings together scientists in the field from industry and academia to test their methods against a real example in a controlled environment and make connections in the CSP community.\u003c/p\u003e\n\u003ch3\u003eUpdate October 2024\u003c/h3\u003e\n\u003cp\u003eThe results and conclusions of the 7th CSP Blind Test have been published in \u003cem\u003eActa Crystallographica\u003c/em\u003e:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https://doi.org/10.1107/S2052520624007492\" target=\"_blank\" rel=\"noopener\"\u003eThe Seventh Blind Test of Crystal Structure Prediction: Structure Generation Methods \u0026#8211; Hunnisett \u003cem\u003eet al\u003c/em\u003e., \u003cem\u003eJ. Acta. Cryst\u003c/em\u003e. B80, Dec 2024\u003c/a\u003e.\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"https://doi.org/10.1107/S2052520624008679\" target=\"_blank\" rel=\"noopener\"\u003eThe Seventh Blind Test of Crystal Structure Prediction: Structure Ranking Methods \u0026#8211; Hunnisett \u003cem\u003eet al\u003c/em\u003e., \u003cem\u003eJ. Acta. Cryst.\u003c/em\u003e, B80, Dec 2024.\u003c/a\u003e\u003c/li\u003e\n\u003c/ul\u003e\n","add_cta":false,"cta_type":"internal","anchor_link_id":"","email_address":"","internal_link":null,"external_link":"","cta_label":"Read more","add_background_image":false,"background_image_type":false,"icon":false}],"module_padding":"keep","module_id":"","dark_colour_scheme":false},{"acf_fc_layout":"centered_text","content":"\u003ch3\u003eHow Does the CSP Blind Test Work?\u003c/h3\u003e\n\u003cp\u003eA selection of small molecules which have been solved experimentally, but remain unpublished, are selected by the organisers. Only their 2D molecular structure and solvate conditions are released to participants.\u003c/p\u003e\n\u003cp\u003eThe participants have 1 year to make their predictions and submit them to the organisers.\u003c/p\u003e\n\u003cp\u003eAt the end of the test period, structures are revealed and each prediction is compared to the experimentally determined results.\u003c/p\u003e\n\u003cp\u003eThe end of test meeting allows all participants and organisers to discuss and reflect on the results and learnings which can be taken forward into future work.\u003c/p\u003e\n\u003ch3\u003eWho Takes Part in the CSP Blind Test?\u003c/h3\u003e\n\u003cp\u003eParticipants in the CSP blind test include scientists working on CSP methods from academic, industrial and contract research organisations (CRO\u0026#8217;s).\u003c/p\u003e\n\u003ch3\u003eVideo: Introduction to Crystal Structure Prediction\u003c/h3\u003e\n\u003cp\u003eIn this short video Jason Cole outlines what crystal structure prediction is, its impact and relevance in industrial settings such as pharmaceutical research, and introduces us to the CCDC CSP Blind\u003cbr /\u003e\nTest.\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u003ciframe loading=\"lazy\" style=\"display: block; margin-left: auto; margin-right: auto;\" src=\"https://www.youtube.com/embed/7nGV-xjjGeY\" width=\"500\" height=\"300\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c/iframe\u003e\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n","module_id":"","full_width":false},{"acf_fc_layout":"link_grid","title":"","add_cta":false,"cta_type":"internal","internal_link":null,"external_link":"","email_address":"","anchor_link_id":"","cta_label":"Read more","grid_layout":"three_items","grid_items":[{"acf_fc_layout":"grid_item","title":"7th CSP Blind Test","content":"\u003cp\u003eFollowing on from the fantastic advances made through the past CSP blind tests, the seventh test posed new challenges, asks deeper questions, and examines method developments closely.\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Find out more","url":"https://ccdc12prod.wpengine.com/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/7th-csp-blind-test/","target":"_blank"},"icon":false},{"acf_fc_layout":"grid_item","title":"Rules and Entry Information","content":"\u003cp\u003eA summarised form of the rules and entry pack is provided.\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Find out more","url":"https://ccdc12prod.wpengine.com/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/7th-blind-test-rules/","target":"_blank"},"icon":false},{"acf_fc_layout":"grid_item","title":"Information for Participants","content":"\u003cp\u003eHow to participate once you have registered for the CSP Blind Test.\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Find out more","url":"https://ccdc12prod.wpengine.com/community/ccdc-for-the-community/partnerships-and-initiatives/csp-blind-test/7th-blind-test-info/","target":"_blank"},"icon":false}],"module_padding":"keep","module_id":"","dark_colour_scheme":false,"no_min_height":false},{"acf_fc_layout":"link_grid","title":"Past CSP Blind Tests","add_cta":false,"cta_type":"internal","internal_link":null,"external_link":"","email_address":"","anchor_link_id":"","cta_label":"Read more","grid_layout":"three_items","grid_items":[{"acf_fc_layout":"grid_item","title":"Sixth CSP Blind Test - 2015","content":"\u003cp\u003eThe sixth blind test ended in August 2015 and was the biggest to date, with 25 different submissions and over 90 researchers involved. The five target systems were a small relatively rigid molecule, a former drug candidate, with five known but unpublished polymorphs, a salt hydrate, a co-crystal, and the largest molecule in a blind test to date. All of the target systems were predicted, apart from a single \u003cem\u003eZ\u003c/em\u003e’ = 2 polymorph of the drug candidate. Overall, the results are encouraging for the development and maturity of CSP methods, which are now applicable to larger molecules and more complex solid forms such as hydrates and salts.\u003c/p\u003e\n\u003cp\u003eThe full results of the sixth blind test are published in a \u003ca href=\"http://journals.iucr.org/b/issues/2016/04/00/index.html\"\u003especial issue\u003c/a\u003e of Acta Cryst. B.\u003c/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-6396 aligncenter\" src=\"https://www.ccdc.cam.ac.uk/media/CSP2c-300x185.png\" alt=\"Target XXIV in the six blind test of organic CSP methods, which is a chloride salt hydrate of (Z)-3-((diaminomethyl)thio)acrylic acid.\" width=\"300\" height=\"185\" srcset=\"https://www.ccdc.cam.ac.uk/media/./CSP2c-300x185.png 300w, https://www.ccdc.cam.ac.uk/media/CSP2c.png 753w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" /\u003e\u003c/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eTarget XXIV in the six blind test of organic CSP methods, which is a chloride salt hydrate of (Z)-3-((diaminomethyl)thio)acrylic acid.\u003c/em\u003e\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Report on the sixth blind test of organic crystal structure prediction methods. A.M. Reilly et al. Acta Cryst. B72, 439-459, 2016","url":"https://doi.org/10.1107/S2052520616007447","target":"_blank"},"icon":false},{"acf_fc_layout":"grid_item","title":"Fifth CSP Blind Test - 2010","content":"\u003cp\u003eThe fifth blind test ran in 2010 with the final summary report published in 2011. The test included a variety of targets, from rigid and semi-flexible molecules, to a 1:1 salt, as well as a larger more flexible molecule and a hydrate with multiple polymorphs. While there were fewer successful results than previous years, there was at least one successful result for each target. The results also showed the progress made in methodologies such as dispersion-corrected density functional theory (DFT-D) which has become much more reliable.\u003c/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-6399 aligncenter\" src=\"https://www.ccdc.cam.ac.uk/media/molecule-XX-fifth-CSP-blind-test-300x109.jpg\" alt=\"Target XX in the fifth CSP Blind Test - a highly flexible compound with eight exocyclic torsion angles. Benzyl-(4-(4-methyl-5-(p-tolylsulfonyl)-1,3-thiazol-2-yl)phenyl)carbamate (C25H22N2O4S2)\" width=\"300\" height=\"109\" srcset=\"https://www.ccdc.cam.ac.uk/media/./molecule-XX-fifth-CSP-blind-test-300x109.jpg 300w, https://www.ccdc.cam.ac.uk/media/./molecule-XX-fifth-CSP-blind-test-1024x372.jpg 1024w, https://www.ccdc.cam.ac.uk/media/./molecule-XX-fifth-CSP-blind-test-768x279.jpg 768w, https://www.ccdc.cam.ac.uk/media/./molecule-XX-fifth-CSP-blind-test-1536x558.jpg 1536w, https://www.ccdc.cam.ac.uk/media/molecule-XX-fifth-CSP-blind-test.jpg 1800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" /\u003e\u003c/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eTarget XX in the fifth CSP Blind Test \u0026#8211; a highly flexible compound with eight exocyclic torsion angles. Benzyl-(4-(4-methyl-5-(\u003cspan class=\"it\"\u003e\u003ci\u003ep\u003c/i\u003e\u003c/span\u003e-tolylsulfonyl)-1,3-thiazol-2-yl)phenyl)carbamate (C\u003cspan class=\"inf\"\u003e\u003csub\u003e25\u003c/sub\u003e\u003c/span\u003eH\u003cspan class=\"inf\"\u003e\u003csub\u003e22\u003c/sub\u003e\u003c/span\u003eN\u003cspan class=\"inf\"\u003e\u003csub\u003e2\u003c/sub\u003e\u003c/span\u003eO\u003cspan class=\"inf\"\u003e\u003csub\u003e4\u003c/sub\u003e\u003c/span\u003eS\u003cspan class=\"inf\"\u003e\u003csub\u003e2\u003c/sub\u003e\u003c/span\u003e)\u003c/em\u003e\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Read more in the summary report; Towards crystal structure prediction of complex organic compounds - a report on the fifth blind test. D. Bardwell, et al, Acta Cryst. B67, 535-551","url":"https://doi.org/10.1107/S0108768111042868","target":"_blank"},"icon":false},{"acf_fc_layout":"grid_item","title":"Fourth CSP Blind Test - 2007","content":"\u003cp\u003eThe fourth blind test started in 2007, with 14 research groups taking part. Across the four targets, we saw a dramatic improvement in successful predictions compared to previous tests. This reflects important improvements in methods and suggest that for small and rigid molecules calculations are able to aid understanding in crystallization and polymorphism of organic molecules.\u003c/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-6400 aligncenter\" src=\"https://www.ccdc.cam.ac.uk/media/mol-XIV-fourth-CSP-blind-test-300x110.jpg\" alt=\"Molecule XIV from the fourth CSP Blind Test - N-(Dimethylthiocarbamoyl)benzothiazole-2-thione (C10N10N2S3)\" width=\"300\" height=\"110\" srcset=\"https://www.ccdc.cam.ac.uk/media/./mol-XIV-fourth-CSP-blind-test-300x110.jpg 300w, https://www.ccdc.cam.ac.uk/media/./mol-XIV-fourth-CSP-blind-test-1024x376.jpg 1024w, https://www.ccdc.cam.ac.uk/media/./mol-XIV-fourth-CSP-blind-test-768x282.jpg 768w, https://www.ccdc.cam.ac.uk/media/./mol-XIV-fourth-CSP-blind-test-1536x564.jpg 1536w, https://www.ccdc.cam.ac.uk/media/mol-XIV-fourth-CSP-blind-test.jpg 1800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" /\u003e\u003c/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eMolecule XIV from the fourth CSP Blind Test \u0026#8211; \u003cspan class=\"it\"\u003e\u003ci\u003eN\u003c/i\u003e\u003c/span\u003e-(Dimethylthiocarbamoyl)benzothiazole-2-thione (C\u003cspan class=\"inf\"\u003e\u003csub\u003e10\u003c/sub\u003e\u003c/span\u003eN\u003cspan class=\"inf\"\u003e\u003csub\u003e10\u003c/sub\u003e\u003c/span\u003eN\u003cspan class=\"inf\"\u003e\u003csub\u003e2\u003c/sub\u003e\u003c/span\u003eS\u003cspan class=\"inf\"\u003e\u003csub\u003e3\u003c/sub\u003e\u003c/span\u003e)\u003c/em\u003e\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Read more in the summary paper; Significant progress in predicting the crystal structures of small organic molecules – a report on the fourth blind test. G. Day, et al, Acta Cryst. B65, 107-125","url":"https://doi.org/10.1107/S0108768109004066","target":"_blank"},"icon":false},{"acf_fc_layout":"grid_item","title":"Third CSP Blind Test - 2004","content":"\u003cp\u003eIn the third CSP blind test a range of methods were employed by the 18 participating research groups. Most were based on the global minimization of lattice energy. Three targets were provided, with no restriction on the possible space group \u0026#8211; unlike previous tests.\u003c/p\u003e\n\u003cp\u003eThe test saw lower success rates than previous ones, in part due to complexities in some of the targets. This highlights the need for better energy models which can describe conformational and packing energies with high accuracy.\u003c/p\u003e\n\u003cp\u003e\u003cimg loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-6401 aligncenter\" src=\"https://www.ccdc.cam.ac.uk/media/mol-XI-third-CSP-blind-test-300x114.jpg\" alt=\"Molecule XI from the third CSP Blind Test - Azetidine. With several possible arrangements for hydrogen bonding, the crystal structure is built up from chains containing two azetidine molecules in the asymmetric unit.\" width=\"300\" height=\"114\" srcset=\"https://www.ccdc.cam.ac.uk/media/./mol-XI-third-CSP-blind-test-300x114.jpg 300w, https://www.ccdc.cam.ac.uk/media/./mol-XI-third-CSP-blind-test-1024x389.jpg 1024w, https://www.ccdc.cam.ac.uk/media/./mol-XI-third-CSP-blind-test-768x292.jpg 768w, https://www.ccdc.cam.ac.uk/media/./mol-XI-third-CSP-blind-test-1536x584.jpg 1536w, https://www.ccdc.cam.ac.uk/media/mol-XI-third-CSP-blind-test.jpg 1800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" /\u003e\u003c/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cem\u003eMolecule XI from the third CSP Blind Test \u0026#8211; Azetidine. With several possible arrangements for hydrogen bonding, the crystal structure is built up from chains containing two azetidine molecules in the asymmetric unit.\u003c/em\u003e\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Read more in the summary paper; A third blind test of crystal structure prediction. G. Day. et al, Acta Cryst. B61, 511-527","url":"https://doi.org/10.1107/S0108768105016563","target":"_blank"},"icon":false},{"acf_fc_layout":"grid_item","title":"Second CSP Blind Test - 2001","content":"\u003cp\u003eThe second CSP Blind Test saw 17 participants predict the crystal structure of three organic molecules. A maximum of three predictions were allowed for each molecule, with many correct predictions observed. A secondary test using non-indexed powder diffraction data was performed after submissions.\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Read more in the summary paper; Crystal structure prediction of small organic molecules: a second blind test. W. D. S. Motherwell. et al, Acta Cryst. B58, 647-661","url":"https://doi.org/10.1107/S0108768102005669","target":"_blank"},"icon":false},{"acf_fc_layout":"grid_item","title":"First CSP Blind Test - 1999","content":"\u003cp\u003eA collaborative workshop was held to test how well current methods of crystal structure prediction perform. The 11 participants were presented with the molecular structure of four compounds, which had been experimentally determined but as-yet unpublished. None of the methods gave consistently reliable results, but many proposed structures were close to the experimentally observed one. One target compound was observed to have two polymorphs, but only one form was predicted correctly.\u003c/p\u003e\n","theme_colour":"blue","add_background_image":false,"background_image_type":"twitter","link":{"title":"Read more in the summary report; A test of crystal structure prediction of small organic molecules. J. P. M. Lommerse. et al, Acta Cryst. 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