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data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p><b>ABINIT</b> is an <a href="/wiki/Open-source_software" title="Open-source software">open-source</a> <a href="/wiki/Software_suite" title="Software suite">suite</a> of programs for <a href="/wiki/Materials_science" title="Materials science">materials science</a>, distributed under the <a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GNU General Public License</a>. ABINIT implements <a href="/wiki/Density_functional_theory" title="Density functional theory">density functional theory</a>, using a plane wave basis set and <a href="/wiki/Pseudopotential" title="Pseudopotential">pseudopotentials</a>, to compute the electronic density and derived properties of materials ranging from molecules to surfaces to solids. It is developed collaboratively by researchers throughout the world.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-GonzeJollet2016_4-0" class="reference"><a href="#cite_note-GonzeJollet2016-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> A web-based easy-to-use graphical version, which includes access to a limited set of ABINIT's full functionality, is available for free use through the <a href="/wiki/Nanohub" class="mw-redirect" title="Nanohub">nanohub</a>. </p><p>The latest version 9.10.3 was released on June 24, 2023. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ABINIT&action=edit&section=1" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>ABINIT implements <a href="/wiki/Density_functional_theory" title="Density functional theory">density functional theory</a> by solving the <a href="/wiki/Kohn%E2%80%93Sham_equations" title="Kohn–Sham equations">Kohn–Sham equations</a> describing the electrons in a material, expanded in a plane wave basis set and using a self-consistent conjugate gradient method to determine the energy minimum. Computational efficiency is achieved through the use of fast Fourier transforms,<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/Pseudopotential" title="Pseudopotential">pseudopotentials</a> to describe core electrons. As an alternative to standard norm-conserving pseudopotentials, the projector augmented-wave method<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> may be used. In addition to total energy, forces and stresses are also calculated so that geometry optimizations and ab initio molecular dynamics may be carried out. Materials that can be treated by ABINIT include insulators, metals, and magnetically ordered systems including Mott-Hubbard insulators. </p> <div class="mw-heading mw-heading2"><h2 id="Derived_properties">Derived properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ABINIT&action=edit&section=2" title="Edit section: Derived properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In addition to computing the electronic ground state of materials, ABINIT implements density functional perturbation theory to compute response functions including </p> <ul><li>Phonons</li> <li>Dielectric response</li> <li>Born effective charges and IR oscillator strength tensor</li> <li>Response to strain and elastic properties</li> <li>Nonlinear responses, including piezoelectric response, Raman cross sections, and electro-optic response.</li></ul> <p>ABINIT can also compute excited state properties via </p> <ul><li><a href="/wiki/Time-dependent_density_functional_theory" title="Time-dependent density functional theory">time-dependent density functional theory</a></li> <li>many-body perturbation theory, using the <a href="/wiki/GW_approximation" title="GW approximation">GW approximation</a> and <a href="/wiki/Bethe%E2%80%93Salpeter_equation" title="Bethe–Salpeter equation">Bethe–Salpeter equation</a>.</li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ABINIT&action=edit&section=3" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1266661725">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid 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class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ABINIT&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration 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.cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFX._GonzeJ.-M._BeukenR._CaracasF._Detraux2002" class="citation journal cs1">X. 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"Implementation of the projector augmented-wave method in the ABINIT code: Application to the study of iron under pressure". <i>Computational Materials Science</i>. <b>42</b> (2): 337. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.commatsci.2007.07.020">10.1016/j.commatsci.2007.07.020</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Computational+Materials+Science&rft.atitle=Implementation+of+the+projector+augmented-wave+method+in+the+ABINIT+code%3A+Application+to+the+study+of+iron+under+pressure&rft.volume=42&rft.issue=2&rft.pages=337&rft.date=2008&rft_id=info%3Adoi%2F10.1016%2Fj.commatsci.2007.07.020&rft.au=M.+Torrent&rft.au=F.+Jollet&rft.au=F.+Bottin&rft.au=G.+Z%C3%A9rah&rft.au=X.+Gonze&rfr_id=info%3Asid%2Fen.wikipedia.org%3AABINIT" class="Z3988"></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ABINIT&action=edit&section=5" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="official-website"><span class="url"><a rel="nofollow" class="external text" href="https://www.abinit.org/">ABINIT web site</a></span></span></li> <li><a rel="nofollow" class="external text" href="http://nanohub.org/resources/ABINIT">Graphical version (web-based) of ABINIT</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline 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style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Free_software" title="Free software">Free software</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bioclipse" title="Bioclipse">Bioclipse</a></li> <li><a href="/wiki/Blue_Obelisk" title="Blue Obelisk">Blue Obelisk</a></li> <li><a href="/wiki/Chemistry_Development_Kit" title="Chemistry Development Kit">Chemistry Development Kit</a></li> <li><a href="/wiki/Extensible_Computational_Chemistry_Environment" title="Extensible Computational Chemistry Environment">ECCE</a></li> <li><a href="/wiki/JOELib" title="JOELib">JOELib</a></li> <li><a href="/wiki/OELib" title="OELib">OELib</a></li> <li><a href="/wiki/Open_Babel" title="Open Babel">Open Babel</a></li> <li><a href="/wiki/RDKit" title="RDKit">RDKit</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a 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class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Free software</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/APBS_(software)" title="APBS (software)">APBS</a></li> <li><a href="/wiki/Cantera_(software)" title="Cantera (software)">Cantera</a></li> <li><a href="/wiki/Kinetic_PreProcessor" title="Kinetic PreProcessor">KPP</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Proprietary</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Autochem" title="Autochem">Autochem</a></li> <li><a href="/wiki/Chemical_WorkBench" title="Chemical WorkBench">Chemical WorkBench</a></li> <li><a href="/wiki/CHEMKIN" title="CHEMKIN">CHEMKIN</a></li> <li><a href="/wiki/COSILAB" title="COSILAB">COSILAB</a></li> <li><a href="/wiki/DelPhi_(software)" class="mw-redirect" title="DelPhi (software)">DelPhi</a></li> <li><a href="/wiki/Khimera" title="Khimera">Khimera</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Molecular_modelling" title="Molecular modelling">Molecular modelling</a> <br /> and <br /> <a href="/wiki/Visualization_(graphics)" title="Visualization (graphics)">visualization</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/List_of_molecular_graphics_systems" title="List of molecular graphics systems">List of molecular graphics systems</a> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Free software</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ascalaph_Designer" title="Ascalaph Designer">Ascalaph Designer</a></li> <li><a href="/wiki/Avogadro_(software)" title="Avogadro (software)">Avogadro</a></li> <li><a href="/wiki/BALL" title="BALL">BALL</a></li> <li><a href="/wiki/Biskit" title="Biskit">Biskit</a></li> <li><a href="/wiki/Gabedit" title="Gabedit">Gabedit</a></li> <li><a href="/wiki/Ghemical" title="Ghemical">Ghemical</a></li> <li><a href="/wiki/Jmol" title="Jmol">Jmol</a></li> <li><a href="/wiki/Molekel" title="Molekel">Molekel</a></li> <li><a href="/wiki/PyMOL" title="PyMOL">PyMOL</a></li> <li><a href="/wiki/QuteMol" title="QuteMol">QuteMol</a></li> <li><a href="/wiki/RasMol" title="RasMol">RasMol</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Proprietary</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abalone_(molecular_mechanics)" title="Abalone (molecular mechanics)">Abalone</a></li> <li><a href="/wiki/ACD/ChemSketch" title="ACD/ChemSketch">ACD/ChemSketch</a></li> <li><a href="/wiki/Atomistix_ToolKit" title="Atomistix ToolKit">Atomistix ToolKit</a></li> <li><a href="/wiki/ChemDraw" title="ChemDraw">ChemDraw</a></li> <li><a href="/wiki/ChemWindow" title="ChemWindow">ChemWindow</a></li> <li><a href="/wiki/EzMol" title="EzMol">EzMol</a></li> <li><a href="/wiki/Gaussian_(software)" title="Gaussian (software)">Gaussian</a></li> <li><a href="/wiki/Schr%C3%B6dinger_(company)" class="mw-redirect" title="Schrödinger (company)">Maestro</a></li> <li><a href="/wiki/MarvinSketch" class="mw-redirect" title="MarvinSketch">MarvinSketch</a></li> <li><a href="/wiki/MarvinView" class="mw-redirect" title="MarvinView">MarvinView</a></li> <li><a href="/wiki/MODELLER" title="MODELLER">MODELLER</a></li> <li><a href="/wiki/Molecular_Operating_Environment" title="Molecular Operating Environment">Molecular Operating Environment</a></li> <li><a href="/wiki/SAMSON" title="SAMSON">SAMSON</a></li> <li><a href="/wiki/Spartan_(chemistry_software)" title="Spartan (chemistry software)">Spartan</a></li> <li><a href="/wiki/UCSF_Chimera" title="UCSF Chimera">UCSF Chimera</a></li> <li><a href="/wiki/OpenEye_Scientific_Software" title="OpenEye Scientific Software"> VIDA</a></li> <li><a href="/wiki/Visual_Molecular_Dynamics" title="Visual Molecular Dynamics">VMD</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Docking_(molecular)" title="Docking (molecular)">Molecular docking</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/List_of_protein-ligand_docking_software" title="List of protein-ligand docking software">List of protein-ligand docking software</a> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Free_software" title="Free software">Free software</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AutoDock" title="AutoDock">AutoDock</a></li> <li><a href="/wiki/AutoDock_Vina" class="mw-redirect" title="AutoDock Vina">AutoDock Vina</a></li> <li><a href="/wiki/FlexAID" title="FlexAID">FlexAID</a></li> <li><a href="/wiki/RDock" title="RDock">rDock</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Glide_(docking)" title="Glide (docking)">Glide</a></li> <li><a href="/wiki/LeDock" title="LeDock">LeDock</a></li> <li><a href="/wiki/Molecular_Operating_Environment" title="Molecular Operating Environment">Molecular Operating Environment</a></li> <li><a href="/wiki/OpenEye_Scientific_Software" title="OpenEye Scientific Software"> OEDocking</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Molecular_dynamics" title="Molecular dynamics">Molecular dynamics</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Free_software" title="Free software">Free software</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CP2K" title="CP2K">CP2K</a></li> <li><a href="/wiki/GROMACS" title="GROMACS">GROMACS</a></li> <li><a href="/wiki/LAMMPS" title="LAMMPS">LAMMPS</a></li> <li><a href="/wiki/OpenMM" title="OpenMM">OpenMM</a></li> <li><a href="/wiki/PLUMED" title="PLUMED">PLUMED</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Proprietary_software" title="Proprietary software">Proprietary</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abalone_(molecular_mechanics)" title="Abalone (molecular mechanics)">Abalone</a></li> <li><a href="/wiki/AMBER" title="AMBER">AMBER</a></li> <li><a href="/wiki/CHARMM" title="CHARMM">CHARMM</a></li> <li><a href="/wiki/Car%E2%80%93Parrinello_molecular_dynamics" title="Car–Parrinello molecular dynamics">CPMD</a></li> <li><a href="/wiki/Desmond_(software)" title="Desmond (software)">Desmond</a></li> <li><a href="/wiki/GROMOS" title="GROMOS">GROMOS</a></li> <li><a href="/wiki/NAMD" title="NAMD">NAMD</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Quantum_chemistry" title="Quantum chemistry">Quantum chemistry</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/List_of_quantum_chemistry_and_solid-state_physics_software" title="List of quantum chemistry and solid-state physics software">List of quantum chemistry and solid-state physics software</a> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Free software</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">ABINIT</a></li> <li><a href="/wiki/ACES_(computational_chemistry)" title="ACES (computational chemistry)">ACES</a> (CFOUR)</li> <li><a href="/wiki/AIMAll" title="AIMAll">AIMAll</a></li> <li><a href="/wiki/BigDFT" title="BigDFT">BigDFT</a></li> <li><a href="/wiki/COLUMBUS" title="COLUMBUS">COLUMBUS</a></li> <li><a href="/wiki/CONQUEST" title="CONQUEST">CONQUEST</a></li> <li><a href="/wiki/CP2K" title="CP2K">CP2K</a></li> <li><a href="/wiki/Dalton_(program)" title="Dalton (program)">Dalton</a></li> <li><a href="/wiki/Dirac_(software)" title="Dirac (software)">DIRAC</a></li> <li><a href="/wiki/DP_code" title="DP code">DP code</a></li> <li><a href="/wiki/FLEUR" title="FLEUR">FLEUR</a></li> <li><a href="/wiki/FreeON" title="FreeON">FreeON</a></li> <li><a href="/wiki/MADNESS" title="MADNESS">MADNESS</a></li> <li><a href="/wiki/MOPAC" title="MOPAC">MOPAC</a></li> <li><a href="/wiki/MPQC" class="mw-redirect" title="MPQC">MPQC</a></li> <li><a href="/wiki/NWChem" title="NWChem">NWChem</a></li> <li><a href="/wiki/Octopus_(software)" title="Octopus (software)">Octopus</a></li> <li><a href="/wiki/MOLCAS" title="MOLCAS">OpenMolcas</a></li> <li><a href="/wiki/PARSEC" title="PARSEC">PARSEC</a></li> <li><a href="/wiki/PSI_(computational_chemistry)" title="PSI (computational chemistry)">PSI</a></li> <li>PyQuante</li> <li><a href="/wiki/PySCF" title="PySCF">PySCF</a></li> <li><a href="/wiki/Quantum_ESPRESSO" title="Quantum ESPRESSO">Quantum ESPRESSO</a> (PWscf)</li> <li><a href="/wiki/RMG_(program)" title="RMG (program)">RMG</a></li> <li><a href="/wiki/SIESTA_(computer_program)" title="SIESTA (computer program)">SIESTA</a></li> <li><a href="/wiki/Valence_bond_programs" title="Valence bond programs">VB2000</a></li> <li><a href="/wiki/YAMBO_code" title="YAMBO code">YAMBO code</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Proprietary</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Amsterdam_Density_Functional" title="Amsterdam Density Functional">ADF</a></li> <li><a href="/wiki/AMPAC" title="AMPAC">AMPAC</a></li> <li><a href="/wiki/DMol3" title="DMol3">DMol3</a></li> <li><a href="/wiki/CADPAC" title="CADPAC">CADPAC</a></li> <li><a href="/wiki/CASINO" title="CASINO">CASINO</a></li> <li><a href="/wiki/CASTEP" title="CASTEP">CASTEP</a></li> <li><a href="/wiki/Car%E2%80%93Parrinello_molecular_dynamics" title="Car–Parrinello molecular dynamics">CPMD</a></li> <li><a href="/wiki/Valence_bond_programs" title="Valence bond programs">CRUNCH</a></li> <li><a href="/wiki/CRYSTAL_(software)" title="CRYSTAL (software)">CRYSTAL</a></li> <li><a href="/wiki/Firefly_(computer_program)" title="Firefly (computer program)">Firefly</a></li> <li><a href="/wiki/GAMESS_(UK)" title="GAMESS (UK)">GAMESS (UK)</a></li> <li><a href="/wiki/GAMESS_(US)" title="GAMESS (US)">GAMESS (US)</a></li> <li><a href="/wiki/Gaussian_(software)" title="Gaussian (software)">Gaussian</a></li> <li><a href="/wiki/Jaguar_(software)" title="Jaguar (software)">Jaguar</a></li> <li><a href="/wiki/MOLCAS" title="MOLCAS">MOLCAS</a></li> <li><a href="/wiki/MOLPRO" title="MOLPRO">MOLPRO</a></li> <li><a href="/wiki/ONETEP" title="ONETEP">ONETEP</a></li> <li><a href="/wiki/OpenAtom" title="OpenAtom">OpenAtom</a></li> <li><a href="/wiki/ORCA_(quantum_chemistry_program)" title="ORCA (quantum chemistry program)">ORCA</a></li> <li><a href="/wiki/PLATO_(computational_chemistry)" title="PLATO (computational chemistry)">PLATO</a></li> <li><a href="/wiki/PQS_(software)" title="PQS (software)">PQS</a></li> <li><a href="/wiki/Q-Chem" title="Q-Chem">Q-Chem</a></li> <li><a href="/wiki/Quantemol" title="Quantemol">Quantemol</a></li> <li><a href="/wiki/Scigress" title="Scigress">Scigress</a></li> <li><a href="/wiki/Spartan_(chemistry_software)" title="Spartan (chemistry software)">Spartan</a></li> <li><a href="/wiki/TeraChem" title="TeraChem">TeraChem</a></li> <li><a href="/wiki/TURBOMOLE" title="TURBOMOLE">TURBOMOLE</a></li> <li><a href="/wiki/Vienna_Ab_initio_Simulation_Package" title="Vienna Ab initio Simulation Package">VASP</a></li> <li><a href="/wiki/WIEN2k" title="WIEN2k">WIEN2k</a></li> <li><a href="/wiki/Valence_bond_programs" title="Valence bond programs">XMVB</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Skeletal_structure" class="mw-redirect" title="Skeletal structure">Skeletal structure</a> drawing</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Free software</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/JChemPaint" title="JChemPaint">JChemPaint</a></li> <li><a href="/wiki/Molsketch" class="mw-redirect" title="Molsketch">Molsketch</a></li> <li><a href="/wiki/XDrawChem" title="XDrawChem">XDrawChem</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Proprietary</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ACD/ChemSketch" title="ACD/ChemSketch">ACD/ChemSketch</a></li> <li><a href="/wiki/ISIS/Draw" title="ISIS/Draw">BIOVIA Draw</a></li> <li>ChemDoodle</li> <li><a href="/wiki/ChemDraw" title="ChemDraw">ChemDraw</a></li> <li><a href="/wiki/ChemWindow" title="ChemWindow">ChemWindow</a></li> <li><a href="/wiki/JME_Molecule_Editor" title="JME Molecule Editor">JME Molecule Editor</a></li> <li><a href="/wiki/MarvinSketch" class="mw-redirect" title="MarvinSketch">MarvinSketch</a></li> <li><a href="/wiki/OpenEye_Scientific_Software" title="OpenEye Scientific Software"> PICTO</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Aqion" title="Aqion">Aqion</a></li> <li><a href="/wiki/Eulim" title="Eulim">Eulim</a></li> <li><a href="/wiki/EXC_code" title="EXC code">EXC code</a></li> <li>GenX</li> <li>GSim</li> <li><a href="/wiki/Mercury_(crystallography)" title="Mercury (crystallography)">Mercury</a></li> <li><a href="/wiki/CrystalExplorer" title="CrystalExplorer">CrystalExplorer</a></li> <li><a href="/wiki/Internal_Coordinate_Mechanics" title="Internal Coordinate Mechanics">ICM</a> (ICM-Browser)</li> <li><a href="/wiki/Materials_Studio" title="Materials Studio">Materials Studio</a></li> <li><a href="/wiki/Molden" title="Molden">Molden</a></li> <li><a href="/wiki/OpenChrom" title="OpenChrom">OpenChrom</a></li> <li>SASHIMI</li></ul> 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