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class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output 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title="Programmer">Developer(s)</a></th><td class="infobox-data"><a href="/wiki/Pacific_Northwest_National_Laboratory" title="Pacific Northwest National Laboratory">Pacific Northwest National Laboratory</a></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Stable release</a></th><td class="infobox-data"><div style="margin:0px;">7.2.3 / August 27, 2024</div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Repository_(version_control)" title="Repository (version control)">Repository</a></th><td class="infobox-data"><a rel="nofollow" class="external free" href="https://github.com/nwchemgit/nwchem">https://github.com/nwchemgit/nwchem</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Written in</th><td class="infobox-data"><a href="/wiki/Fortran" title="Fortran">Fortran</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/Linux" title="Linux">Linux</a>, <a href="/wiki/FreeBSD" title="FreeBSD">FreeBSD</a>, <a href="/wiki/Unix" title="Unix">Unix</a> and <a href="/wiki/Unix-like" title="Unix-like">like</a> operating systems, <a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Microsoft Windows</a>, <a href="/wiki/Mac_OS_X" class="mw-redirect" title="Mac OS X">Mac OS X</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data"><a href="/wiki/Computational_Chemistry" class="mw-redirect" title="Computational Chemistry">Computational Chemistry</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/Educational_Community_License" title="Educational Community License">Educational Community License</a> 2.0</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><a rel="nofollow" class="external free" href="https://nwchemgit.github.io/">https://nwchemgit.github.io/</a></td></tr></tbody></table> <p><b>NWChem</b> is an <a href="/wiki/Ab_initio_quantum_chemistry_methods" title="Ab initio quantum chemistry methods">ab initio</a> <a href="/wiki/Computational_chemistry" title="Computational chemistry">computational chemistry</a> software package which includes quantum chemical and molecular dynamics functionality.<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-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It was designed to run on high-performance parallel supercomputers as well as conventional workstation clusters. It aims to be scalable both in its ability to treat large problems efficiently, and in its usage of available <a href="/wiki/Parallel_computing" title="Parallel computing">parallel computing</a> resources. NWChem has been developed by the Molecular Sciences Software group of the Theory, Modeling & Simulation program of the <a href="/wiki/Environmental_Molecular_Sciences_Laboratory" title="Environmental Molecular Sciences Laboratory">Environmental Molecular Sciences Laboratory</a> (EMSL) at the <a href="/wiki/Pacific_Northwest_National_Laboratory" title="Pacific Northwest National Laboratory">Pacific Northwest National Laboratory</a> (PNNL). The early implementation was funded by the EMSL Construction Project. </p><p>NWChem is currently being redesigned and reimplemented for <a href="/wiki/Exascale_computing" title="Exascale computing">exascale computing</a> platforms (<b>NWChemEx</b> <sup id="cite_ref-nwchemex_5-0" class="reference"><a href="#cite_note-nwchemex-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Capabilities">Capabilities</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NWChem&action=edit&section=1" title="Edit section: Capabilities"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Molecular_mechanics" title="Molecular mechanics">Molecular mechanics</a></li> <li><a href="/wiki/Molecular_dynamics" title="Molecular dynamics">Molecular dynamics</a></li> <li><a href="/wiki/Hartree%E2%80%93Fock" class="mw-redirect" title="Hartree–Fock">Hartree–Fock</a> (self-consistent field method)</li> <li><a href="/wiki/Density_functional_theory" title="Density functional theory">Density functional theory</a></li> <li><a href="/wiki/Time-dependent_density_functional_theory" title="Time-dependent density functional theory">Time-dependent density functional theory</a></li> <li><a href="/wiki/Post-Hartree%E2%80%93Fock" class="mw-redirect" title="Post-Hartree–Fock">Post-Hartree–Fock</a> methods, including MP2 in the resolution of identity approximation (RI-MP2<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>), multiconfigurational self-consistent-field (MCSCF) theory, selected configuration interaction (CI), <a href="/wiki/M%C3%B8ller%E2%80%93Plesset_perturbation_theory" title="Møller–Plesset perturbation theory">Møller–Plesset perturbation theory</a> (MP2, MP3, MP4), <a href="/wiki/Configuration_interaction" title="Configuration interaction">configuration interaction</a> (CISD, CISDT, CISDTQ), and <a href="/wiki/Coupled_cluster" title="Coupled cluster">coupled cluster</a> theory (CCSD, CCSDT, CCSDTQ, EOMCCSD, EOMCCSDT, EOMCCSDTQ). The Tensor Contraction Engine, or TCE, provides most of the functionality for the correlated methods, and can be used to develop additional many-body methods using a Python interface. A full list of approximate coupled-cluster methods is available on the website.</li> <li><a href="/wiki/QM/MM" title="QM/MM">QM/MM</a></li> <li><a href="/wiki/ONIOM" title="ONIOM">ONIOM</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NWChem&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <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 a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .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="CITEREFApràBylaskade_JongGovind2020" class="citation journal cs1">Aprà, E.; Bylaska, E. J.; de Jong, W. A.; Govind, N.; Kowalski, K.; Straatsma, T. P.; Valiev, M.; van Dam, H. J. J.; Alexeev, Y.; Anchell, J.; Anisimov, V. (2020-05-14). <a rel="nofollow" class="external text" href="http://aip.scitation.org/doi/10.1063/5.0004997">"NWChem: Past, present, and future"</a>. <i>The Journal of Chemical Physics</i>. <b>152</b> (18): 184102. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/2004.12023">2004.12023</a></span>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1063%2F5.0004997">10.1063/5.0004997</a>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<a rel="nofollow" class="external text" href="https://hdl.handle.net/10023%2F23151">10023/23151</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0021-9606">0021-9606</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/32414274">32414274</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Journal+of+Chemical+Physics&rft.atitle=NWChem%3A+Past%2C+present%2C+and+future&rft.volume=152&rft.issue=18&rft.pages=184102&rft.date=2020-05-14&rft_id=info%3Ahdl%2F10023%2F23151&rft_id=info%3Adoi%2F10.1063%2F5.0004997&rft_id=info%3Aarxiv%2F2004.12023&rft_id=info%3Apmid%2F32414274&rft.issn=0021-9606&rft.aulast=Apr%C3%A0&rft.aufirst=E.&rft.au=Bylaska%2C+E.+J.&rft.au=de+Jong%2C+W.+A.&rft.au=Govind%2C+N.&rft.au=Kowalski%2C+K.&rft.au=Straatsma%2C+T.+P.&rft.au=Valiev%2C+M.&rft.au=van+Dam%2C+H.+J.+J.&rft.au=Alexeev%2C+Y.&rft.au=Anchell%2C+J.&rft.au=Anisimov%2C+V.&rft_id=http%3A%2F%2Faip.scitation.org%2Fdoi%2F10.1063%2F5.0004997&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANWChem" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFValievBylaskaGovindKowalski2010" class="citation journal cs1">Valiev, M.; Bylaska, E.J.; Govind, N.; Kowalski, K.; Straatsma, T.P.; Van Dam, H.J.J.; Wang, D.; Nieplocha, J.; Aprà, E.; <a href="/wiki/Theresa_Windus" title="Theresa Windus">Windus, T. L.</a>; De Jong, W. A. (2010). <a rel="nofollow" class="external text" href="https://zenodo.org/record/1258869">"NWChem: A comprehensive and scalable open-source solution for large scale molecular simulations"</a>. <i>Computer Physics Communications</i>. <b>181</b> (9): 1477–1489. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2010CoPhC.181.1477V">2010CoPhC.181.1477V</a>. <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.cpc.2010.04.018">10.1016/j.cpc.2010.04.018</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Computer+Physics+Communications&rft.atitle=NWChem%3A+A+comprehensive+and+scalable+open-source+solution+for+large+scale+molecular+simulations&rft.volume=181&rft.issue=9&rft.pages=1477-1489&rft.date=2010&rft_id=info%3Adoi%2F10.1016%2Fj.cpc.2010.04.018&rft_id=info%3Abibcode%2F2010CoPhC.181.1477V&rft.aulast=Valiev&rft.aufirst=M.&rft.au=Bylaska%2C+E.J.&rft.au=Govind%2C+N.&rft.au=Kowalski%2C+K.&rft.au=Straatsma%2C+T.P.&rft.au=Van+Dam%2C+H.J.J.&rft.au=Wang%2C+D.&rft.au=Nieplocha%2C+J.&rft.au=Apr%C3%A0%2C+E.&rft.au=Windus%2C+T.+L.&rft.au=De+Jong%2C+W.+A.&rft_id=https%3A%2F%2Fzenodo.org%2Frecord%2F1258869&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANWChem" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKendallApràBernholdtBylaska2000" class="citation journal cs1">Kendall, Ricky A.; Aprà, Edoardo; Bernholdt, David E.; Bylaska, Eric J.; Dupuis, Michel; Fann, George I.; Harrison, Robert J.; Ju, Jialin; Nichols, Jeffrey A.; Nieplocha, Jarek; Straatsma, T. P.; <a href="/wiki/Theresa_Windus" title="Theresa Windus">Windus, Theresa L.</a>; Wong, Adrian T. (2000). "High performance computational chemistry: an overview of NWChem a distributed parallel application". <i>Computer Physics Communications</i>. <b>128</b> (1–2): 260–283. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2000CoPhC.128..260K">2000CoPhC.128..260K</a>. <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%2FS0010-4655%2800%2900065-5">10.1016/S0010-4655(00)00065-5</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Computer+Physics+Communications&rft.atitle=High+performance+computational+chemistry%3A+an+overview+of+NWChem+a+distributed+parallel+application&rft.volume=128&rft.issue=1%E2%80%932&rft.pages=260-283&rft.date=2000&rft_id=info%3Adoi%2F10.1016%2FS0010-4655%2800%2900065-5&rft_id=info%3Abibcode%2F2000CoPhC.128..260K&rft.aulast=Kendall&rft.aufirst=Ricky+A.&rft.au=Apr%C3%A0%2C+Edoardo&rft.au=Bernholdt%2C+David+E.&rft.au=Bylaska%2C+Eric+J.&rft.au=Dupuis%2C+Michel&rft.au=Fann%2C+George+I.&rft.au=Harrison%2C+Robert+J.&rft.au=Ju%2C+Jialin&rft.au=Nichols%2C+Jeffrey+A.&rft.au=Nieplocha%2C+Jarek&rft.au=Straatsma%2C+T.+P.&rft.au=Windus%2C+Theresa+L.&rft.au=Wong%2C+Adrian+T.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANWChem" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"> Authors and Contributors listed in version 6.5: E. Apra, E. J. Bylaska, W. A. de Jong, N. Govind, K. Kowalski, T. P. Straatsma, M. Valiev, H. J. J. van Dam, D. Wang, <a href="/wiki/Theresa_Windus" title="Theresa Windus">T. L. Windus</a>, J. Hammond, J. Autschbach, K. Bhaskaran-Nair, J. Brabec, K. Lopata, S. Krishnamoorthy, W. Ma, M. Klemm, O. Villa, Y. Chen, V. Anisimov, F. Aquino, S. Hirata, M. T. Hackler, T. Risthaus, M. Malagoli, A. Marenich, A. Otero-de-la-Roza, J. Mullin, P. Nichols, R. Peverati, J. Pittner, Y. Zhao, P.-D. Fan, A. Fonari, R. J. Harrison, M. Dupuis, D. Silverstein, D. M. A. Smith, J. Nieplocha, V. Tipparaju, M. Krishnan, B. E. Van Kuiken, A. Vazquez-Mayagoitia, L. Jensen, M. Swart, Q. Wu, T. Van Voorhis, A. A. Auer, M. Nooijen, L. D. Crosby, E. Brown, G. Cisneros, G. I. Fann, H. Fruchtl, J. Garza, K. Hirao, R. A. Kendall, J. A. Nichols, K. Tsemekhman, K. Wolinski, J. Anchell, D. E. Bernholdt, P. Borowski, T. Clark, D. Clerc, H. Dachsel, M. J. O. Deegan, K. Dyall, D. Elwood, E. Glendening, M. Gutowski, A. C. Hess, J. Jaffe, B. G. Johnson, J. Ju, R. Kobayashi, R. Kutteh, Z. Lin, R. Littlefield, X. Long, B. Meng, T. Nakajima, S. Niu, L. Pollack, M. Rosing, K. Glaesemann, G. Sandrone, M. Stave, H. Taylor, G. Thomas, J. H. van Lenthe, A. T. Wong, Z. Zhang. <a rel="nofollow" class="external free" href="https://nwchemgit.github.io/Developer_Team.html#authors-and-contributors">https://nwchemgit.github.io/Developer_Team.html#authors-and-contributors</a></span> </li> <li id="cite_note-nwchemex-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-nwchemex_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.exascaleproject.org/research-project/nwchemex/">"NWChemEx"</a>. 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">10 November</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=NWChemEx&rft.date=2021&rft_id=https%3A%2F%2Fwww.exascaleproject.org%2Fresearch-project%2Fnwchemex%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANWChem" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBernholdtHarrison1996" class="citation journal cs1">Bernholdt, David E.; Harrison, Robert J. (1996). <a rel="nofollow" class="external text" href="https://zenodo.org/record/1253848">"Large-scale correlated electronic structure calculations: the RI-MP2 method on parallel computers"</a>. <i>Chemical Physics Letters</i>. <b>250</b> (5–6): 477–484. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1996CPL...250..477B">1996CPL...250..477B</a>. <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%2F0009-2614%2896%2900054-1">10.1016/0009-2614(96)00054-1</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Chemical+Physics+Letters&rft.atitle=Large-scale+correlated+electronic+structure+calculations%3A+the+RI-MP2+method+on+parallel+computers&rft.volume=250&rft.issue=5%E2%80%936&rft.pages=477-484&rft.date=1996&rft_id=info%3Adoi%2F10.1016%2F0009-2614%2896%2900054-1&rft_id=info%3Abibcode%2F1996CPL...250..477B&rft.aulast=Bernholdt&rft.aufirst=David+E.&rft.au=Harrison%2C+Robert+J.&rft_id=https%3A%2F%2Fzenodo.org%2Frecord%2F1253848&rfr_id=info%3Asid%2Fen.wikipedia.org%3ANWChem" class="Z3988"></span></span> </li> </ol></div></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=NWChem&action=edit&section=3" 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://nwchemgit.github.io/">NWChem Homepage</a></span></span></li> <li><a rel="nofollow" class="external text" href="https://github.com/nwchemgit/nwchem">NWChem Github repository</a></li></ul> <div class="mw-heading mw-heading3"><h3 id="Graphical_shells">Graphical shells</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=NWChem&action=edit&section=4" title="Edit section: Graphical shells"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Extensible_Computational_Chemistry_Environment" title="Extensible Computational Chemistry Environment">ECCE</a> (official GUI for NWChem), supports input generation, remote submission, analysis, extensive visualization</li> <li><a href="/wiki/Ascalaph_Designer" title="Ascalaph Designer">Ascalaph Designer</a>, a free and open source software package for model construction</li> <li><a rel="nofollow" class="external text" href="http://www.chemcraftprog.com/">Chemcraft</a>, a proprietary software for visualization and analysis of results</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 dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist 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id="Computational_chemistry_software" style="font-size:114%;margin:0 4em"><a href="/wiki/Computational_chemistry" title="Computational chemistry">Computational chemistry</a> software</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cheminformatics" title="Cheminformatics">Cheminformatics</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>Avalon Cheminformatics Toolkit</li> <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 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/Schr%C3%B6dinger_(company)" class="mw-redirect" title="Schrödinger (company)">Canvas</a></li> <li><a href="/wiki/Chemicalize" title="Chemicalize">Chemicalize</a></li> <li><a href="/wiki/Discovery_Studio" title="Discovery Studio">Discovery Studio</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/Chemical_kinetics" title="Chemical kinetics">Chemical kinetics</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%">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/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></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 href="/wiki/ABINIT" title="ABINIT">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 class="mw-selflink selflink">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><a href="/wiki/PyQuante" title="PyQuante">PyQuante</a></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" 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></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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