Standard Reference Data

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srcset="/web/20231203053628im_/https://www.nist.gov/sites/default/files/styles/300w_x_180h/public/images/2019/11/20/lattice_135x135.jpg.webp?itok=gYxWvBC_ 1x, /web/20231203053628im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2019/11/20/lattice_135x135.jpg.webp?itok=-iadThq0 2x" media="(min-width: 0px)" type="image/webp" width="300" height="180"/> <img loading="eager" src="/web/20231203053628im_/https://www.nist.gov/sites/default/files/styles/600w_x_360h/public/images/2019/11/20/lattice_135x135.jpg.jpg?itok=-iadThq0" width="600" height="360" alt="lattice" title="lattice" typeof="foaf:Image"/> </picture> </a> </div> <div class="nist-hero__caption"> <a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-standard-reference-database-3"> <div class="text">NIST INORGANIC CRYSTAL STRUCTURE DATABASE (ICSD) SRD3</div> </a> </div> </div> </div> <div class="nist-hero__item tablet:grid-col-4 "> <div class="nist-hero__item-inner"> <div 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These data are assessed by experts and are trustworthy such that people can use the data with confidence and base significant decisions on the data. NIST provides 49 free SRD databases and 41 fee-based SRD databases. SRD must be compliant with rigorous critical evaluation criteria.聽Send questions to <span class="spamspan"><span class="u">data</span> [at] <span class="d">nist.gov</span><span class="t"> (data[at]nist[dot]gov)</span></span> or call 1(844) 374-0183聽(Toll聽Free).</p></div> </div> <div class="nist-content-row nist-content-row--width-legible paragraph paragraph--type--text paragraph--view-mode--default"> <div class="nist-block text-long"><h2 class="nist-block__title">Popular Data Products</h2> <p><strong>Recent Update.聽</strong> NIST ICSD SRD3 is currently available, visit聽<a href="https://web.archive.org/web/20231203053628/https://icsd.nist.gov/">https://icsd.nist.gov</a></p> <ul><li><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/refprop">REFPROP</a>: Reference Fluid Thermodynamic and Transport Properties <em><a href="https://web.archive.org/web/20231203053628/https://pages.nist.gov/REFPROP-docs/">FAQ</a></em></li> <li><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-standard-reference-database-1a">NIST23</a>: NIST聽Mass Spectral Libraries, 2023 Edition聽<a href="https://web.archive.org/web/20231203053628/https://chemdata.nist.gov/dokuwiki/doku.php?id=start">MS Data Center</a></li> <li><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-standard-reference-database-3">ICSD</a>:聽The NIST Inorganic Crystal Structure Database (ICSD) is聽a comprehensive collection of crystal structure data of inorganic compounds containing more than 210,000 entries and covering the literature from 1913.</li> <li><a href="https://web.archive.org/web/20231203053628/https://trc.nist.gov/tde.html">TDE</a>: NIST ThermoDataEngine聽</li> <li><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-special-database-33">PIV Cards</a>: NIST Test Personal Identity Verification Card</li> <li><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-standard-reference-database-31">PED</a>: NIST-ACers Phase Equilibria Diagram Database <a href="https://web.archive.org/web/20231203053628/https://s3.amazonaws.com/nist-srd/ped_demo_5.1_setup_final.zip">5.1聽demo</a>聽and <a href="https://web.archive.org/web/20231203053628/https://pages.nist.gov/PEDEditor/">PED Editor</a></li> <li> <p><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-standard-reference-database-100">SESSA</a>: NIST Simulation of Electron Spectra for Surface Analysis.聽<span><span><span><strong><span><span><span><span>Now Free!</span></span></span></span></strong></span></span></span></p> </li> <li><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/srd-catalog/special-databases">Special Databases</a> - <a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/topics/biometrics">Biometrics</a></li> <li><a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-recommended-practice-guide">Selected NIST-Recommended Practice Guides in Material Sciences</a></li> </ul><p>Download <a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/nist-standard-reference-database-100">NIST Simulation of Electron Spectra for Surface Analysis</a>聽<strong>at no cost</strong>.聽聽The <a href="https://web.archive.org/web/20231203053628/https://www.nist.gov/srd/surface-data">surface databases</a> provide data for surface analysis by Auger-electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS). 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