Software for the frontiers of quantum chemistry: An overview of developments in the Q-Chem 5 package

Creators: Epifanovsky, Evgeny; Gilbert, Andrew T. B.; Feng, Xintian; Lee, Joonho; Mao, Yuezhi; Mardirossian, Narbe; Pokhilko, Pavel; White, Alec F.; Coons, Marc P.; Dempwolff, Adrian L.; Gan, Zhengting; Hait, Diptarka; Horn, Paul R.; Jacobson, Leif D.; Kaliman, Ilya; Kussmann, Jörg; Lange, Adrian W.; Lao, Ka Un; Levine, Daniel S.; Liu, Jie; McKenzie, Simon C.; Morrison, Adrian F.; Nanda, Kaushik D.; Plasser, Felix; Rehn, Dirk R.; Vidal, Marta L.; You, Zhi-Qiang; Zhu, Ying; Alam, Bushra; Albrecht, Benjamin J.; Aldossary, Abdulrahman; Alguire, Ethan; Andersen, Josefine H.; Athavale, Vishikh; Barton, Dennis; Begam, Khadiza; Behn, Andrew; Bellonzi, Nicole; Bernard, Yves A.; Berquist, Eric J.; Burton, Hugh G. A.; Carreras, Abel; Carter-Fenk, Kevin; Chakraborty, Romit; Chien, Alan D.; Closser, Kristina D.; Cofer-Shabica, Vale; Dasgupta, Saswata; de Wergifosse, Marc; Deng, Jia; Diedenhofen, Michael; Do, Hainam; Ehlert, Sebastian; Fang, Po-Tung; Fatehi, Shervin; Feng, Qingguo; Friedhoff, Triet; Gayvert, James; Ge, Qinghui; Gidofalvi, Gergely; Goldey, Matthew; Gomes, Joe; González-Espinoza, Cristina E.; Gulania, Sahil; Gunina, Anastasia O.; Hanson-Heine, Magnus W. D.; Harbach, Phillip H. P.; Hauser, Andreas; Herbst, Michael F.; Hernández Vera, Mario; Hodecker, Manuel; Holden, Zachary C.; Houck, Shannon; Huang, Xunkun; Hui, Kerwin; Huynh, Bang C.; Ivanov, Maxim; Jász, Ádám; Ji, Hyunjun; Jiang, Hanjie; Kaduk, Benjamin; Kähler, Sven; Khistyaev, Kirill; Kim, Jaehoon; Kis, Gergely; Klunzinger, Phil; Koczor-Benda, Zsuzsanna; Koh, Joong Hoon; Kosenkov, Dimitri; Koulias, Laura; Kowalczyk, Tim; Krauter, Caroline M.; Kue, Karl; Kunitsa, Alexander; Kus, Thomas; Ladjánszki, István; Landau, Arie; Lawler, Keith V.; Lefrancois, Daniel; Lehtola, Susi; Li, Run R.; Li, Yi-Pei; Liang, Jiashu; Liebenthal, Marcus; Lin, Hung-Hsuan; Lin, You-Sheng; Liu, Fenglai; Liu, Kuan-Yu; Loipersberger, Matthias; Luenser, Arne; Manjanath, Aaditya; Manohar, Prashant; Mansoor, Erum; Manzer, Sam F.; Mao, Shan-Ping; Marenich, Aleksandr V.; Markovich, Thomas; Mason, Stephen; Maurer, Simon A.; McLaughlin, Peter F.; Menger, Maximilian F. S. J.; Mewes, Jan-Michael; Mewes, Stefanie A.; Morgante, Pierpaolo; Mullinax, J. Wayne; Oosterbaan, Katherine J.; Paran, Garrette; Paul, Alexander C.; Paul, Suranjan K.; Pavošević, Fabijan; Pei, Zheng; Prager, Stefan; Proynov, Emil I.; Rák, Ádám; Ramos-Cordoba, Eloy; Rana, Bhaskar; Rask, Alan E.; Rettig, Adam; Richard, Ryan M.; Rob, Fazle; Rossomme, Elliot; Scheele, Tarek; Scheurer, Maximilian; Schneider, Matthias; Sergueev, Nickolai; Sharada, Shaama M.; Skomorowski, Wojciech; Small, David W.; Stein, Christopher J.; Su, Yu-Chuan; Sundstrom, Eric J.; Tao, Zhen; Thirman, Jonathan; Tornai, Gábor J.; Tsuchimochi, Takashi; Tubman, Norm M.; Veccham, Srimukh Prasad; Vydrov, Oleg; Wenzel, Jan; Witte, Jon; Yamada, Atsushi; Yao, Kun; Yeganeh, Sina; Yost, Shane R.; Zech, Alexander; Zhang, Igor Ying; Zhang, Xing; Zhang, Yu; Zuev, Dmitry; Aspuru-Guzik, Alán; Bell, Alexis T.; Besley, Nicholas A.; Bravaya, Ksenia B.; Brooks, Bernard R.; Casanova, David; Chai, Jeng-Da; Coriani, Sonia; Cramer, Christopher J.; Cserey, György; DePrince, A. Eugene; DiStasio, Robert A.; Dreuw, Andreas; Dunietz, Barry D.; Furlani, Thomas R.; Goddard, William A., III; Hammes-Schiffer, Sharon; Head-Gordon, Teresa; Hehre, Warren J.; Hsu, Chao-Ping; Jagau, Thomas-C.; Jung, Yousung; Klamt, Andreas; Kong, Jing; Lambrecht, Daniel S.; Liang, WanZhen; Mayhall, Nicholas J.; McCurdy, C. William; Neaton, Jeffrey B.; Ochsenfeld, Christian; Parkhill, John A.; Peverati, Roberto; Rassolov, Vitaly A.; Shao, Yihan; Slipchenko, Lyudmila V.; Stauch, Tim; Steele, Ryan P.; Subotnik, Joseph E.; Thom, Alex J. W.; Tkatchenko, Alexandre; Truhlar, Donald G.; Van Voorhis, Troy; Wesolowski, Tomasz A.; Whaley, K. Birgitta; Woodcock, H. Lee; Zimmerman, Paul M.; Faraji, Shirin; Gill, Peter M. W.; Head-Gordon, Martin; Herbert, John M.; Krylov, Anna I.

Abstract

This article summarizes technical advances contained in the fifth major release of the Q-Chem quantum chemistry program package, covering developments since 2015. A comprehensive library of exchange–correlation functionals, along with a suite of correlated many-body methods, continues to be a hallmark of the Q-Chem software. The many-body methods include novel variants of both coupled-cluster and configuration-interaction approaches along with methods based on the algebraic diagrammatic construction and variational reduced density-matrix methods. Methods highlighted in Q-Chem 5 include a suite of tools for modeling core-level spectroscopy, methods for describing metastable resonances, methods for computing vibronic spectra, the nuclear–electronic orbital method, and several different energy decomposition analysis techniques. High-performance capabilities including multithreaded parallelism and support for calculations on graphics processing units are described. Q-Chem boasts a community of well over 100 active academic developers, and the continuing evolution of the software is supported by an "open teamware" model and an increasingly modular design.

Additional Information

© 2021 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Submitted: 29 April 2021; Accepted: 18 June 2021; Published Online: 23 August 2021. Electronic structure software development at Q-Chem has been supported during the period reviewed in this paper by SBIR grants from the National Institutes of Health (Grants Nos. R43GM096678, R43GM121126, R43GM126804, R43GM128480, R43GM133270, R44GM076847, R44GM081928, R44GM084555, R44GM121126, and R44GM128480), the Department of Energy (Grant Nos. DE-SC0011297 and DE-SC0021568), and the Department of Defense (Grant Nos. W911NF-14-P-0032, W911NF-16-C0124, and W911NF-19-C0048). In addition, the academic research groups that have contributed to Q-Chem have been supported within the U.S. by grants from the Department of Energy, the National Science Foundation, the Army Research Office, and other Federal agencies as well as by the corresponding national agencies in other countries, as acknowledged in the respective original publications. E.E., A.T.B.G., P.M.W.G., S.F., M.H.-G., J.M.H., A.I.K., and Y.S. are part-owners of Q-Chem, Inc. Data Availability: The data that support the findings of this study are available within the article.

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