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1. NWChem: Past, present, and future.

Author

Aprà, E, Aprà, E, Bylaska, EJ, de Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-de-la-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, Á, Verma, P, Villa, O, Vishnu, A, Aprà, E, Aprà, E, Bylaska, EJ, de Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-de-la-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, Á, Verma, P, Villa, O, and Vishnu, A

Abstract

Specialized computational chemistry packages have permanently reshaped the landscape of chemical and materials science by providing tools to support and guide experimental efforts and for the prediction of atomistic and electronic properties. In this regard, electronic structure packages have played a special role by using first-principle-driven methodologies to model complex chemical and materials processes. Over the past few decades, the rapid development of computing technologies and the tremendous increase in computational power have offered a unique chance to study complex transformations using sophisticated and predictive many-body techniques that describe correlated behavior of electrons in molecular and condensed phase systems at different levels of theory. In enabling these simulations, novel parallel algorithms have been able to take advantage of computational resources to address the polynomial scaling of electronic structure methods. In this paper, we briefly review the NWChem computational chemistry suite, including its history, design principles, parallel tools, current capabilities, outreach, and outlook.

Published
2020

2. NWChem: Past, present, and future

Author

Aprà, E, Aprà, E, Bylaska, EJ, De Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, Van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-De-La-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, A, Verma, P, Villa, O, Vishnu, A, Aprà, E, Aprà, E, Bylaska, EJ, De Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, Van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-De-La-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, A, Verma, P, Villa, O, and Vishnu, A

Abstract

Specialized computational chemistry packages have permanently reshaped the landscape of chemical and materials science by providing tools to support and guide experimental efforts and for the prediction of atomistic and electronic properties. In this regard, electronic structure packages have played a special role by using first-principle-driven methodologies to model complex chemical and materials processes. Over the past few decades, the rapid development of computing technologies and the tremendous increase in computational power have offered a unique chance to study complex transformations using sophisticated and predictive many-body techniques that describe correlated behavior of electrons in molecular and condensed phase systems at different levels of theory. In enabling these simulations, novel parallel algorithms have been able to take advantage of computational resources to address the polynomial scaling of electronic structure methods. In this paper, we briefly review the NWChem computational chemistry suite, including its history, design principles, parallel tools, current capabilities, outreach, and outlook.

Published
2020

3. NWChem: Past, present, and future

Author

Aprà, E, Aprà, E, Bylaska, EJ, De Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, Van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-De-La-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, A, Verma, P, Villa, O, Vishnu, A, Aprà, E, Aprà, E, Bylaska, EJ, De Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, Van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-De-La-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, A, Verma, P, Villa, O, and Vishnu, A

Abstract

Specialized computational chemistry packages have permanently reshaped the landscape of chemical and materials science by providing tools to support and guide experimental efforts and for the prediction of atomistic and electronic properties. In this regard, electronic structure packages have played a special role by using first-principle-driven methodologies to model complex chemical and materials processes. Over the past few decades, the rapid development of computing technologies and the tremendous increase in computational power have offered a unique chance to study complex transformations using sophisticated and predictive many-body techniques that describe correlated behavior of electrons in molecular and condensed phase systems at different levels of theory. In enabling these simulations, novel parallel algorithms have been able to take advantage of computational resources to address the polynomial scaling of electronic structure methods. In this paper, we briefly review the NWChem computational chemistry suite, including its history, design principles, parallel tools, current capabilities, outreach, and outlook.

Published
2020

4. NWChem: Past, present, and future.

Author

Aprà, E, Aprà, E, Bylaska, EJ, de Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-de-la-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, Á, Verma, P, Villa, O, Vishnu, A, Aprà, E, Aprà, E, Bylaska, EJ, de Jong, WA, Govind, N, Kowalski, K, Straatsma, TP, Valiev, M, van Dam, HJJ, Alexeev, Y, Anchell, J, Anisimov, V, Aquino, FW, Atta-Fynn, R, Autschbach, J, Bauman, NP, Becca, JC, Bernholdt, DE, Bhaskaran-Nair, K, Bogatko, S, Borowski, P, Boschen, J, Brabec, J, Bruner, A, Cauët, E, Chen, Y, Chuev, GN, Cramer, CJ, Daily, J, Deegan, MJO, Dunning, TH, Dupuis, M, Dyall, KG, Fann, GI, Fischer, SA, Fonari, A, Früchtl, H, Gagliardi, L, Garza, J, Gawande, N, Ghosh, S, Glaesemann, K, Götz, AW, Hammond, J, Helms, V, Hermes, ED, Hirao, K, Hirata, S, Jacquelin, M, Jensen, L, Johnson, BG, Jónsson, H, Kendall, RA, Klemm, M, Kobayashi, R, Konkov, V, Krishnamoorthy, S, Krishnan, M, Lin, Z, Lins, RD, Littlefield, RJ, Logsdail, AJ, Lopata, K, Ma, W, Marenich, AV, Martin Del Campo, J, Mejia-Rodriguez, D, Moore, JE, Mullin, JM, Nakajima, T, Nascimento, DR, Nichols, JA, Nichols, PJ, Nieplocha, J, Otero-de-la-Roza, A, Palmer, B, Panyala, A, Pirojsirikul, T, Peng, B, Peverati, R, Pittner, J, Pollack, L, Richard, RM, Sadayappan, P, Schatz, GC, Shelton, WA, Silverstein, DW, Smith, DMA, Soares, TA, Song, D, Swart, M, Taylor, HL, Thomas, GS, Tipparaju, V, Truhlar, DG, Tsemekhman, K, Van Voorhis, T, Vázquez-Mayagoitia, Á, Verma, P, Villa, O, and Vishnu, A

Abstract

Specialized computational chemistry packages have permanently reshaped the landscape of chemical and materials science by providing tools to support and guide experimental efforts and for the prediction of atomistic and electronic properties. In this regard, electronic structure packages have played a special role by using first-principle-driven methodologies to model complex chemical and materials processes. Over the past few decades, the rapid development of computing technologies and the tremendous increase in computational power have offered a unique chance to study complex transformations using sophisticated and predictive many-body techniques that describe correlated behavior of electrons in molecular and condensed phase systems at different levels of theory. In enabling these simulations, novel parallel algorithms have been able to take advantage of computational resources to address the polynomial scaling of electronic structure methods. In this paper, we briefly review the NWChem computational chemistry suite, including its history, design principles, parallel tools, current capabilities, outreach, and outlook.

Published
2020

5. Advances in molecular quantum chemistry contained in the Q-Chem 4 program package

Author

Shao, Y, Shao, Y, Gan, Z, Epifanovsky, E, Gilbert, ATB, Wormit, M, Kussmann, J, Lange, AW, Behn, A, Deng, J, Feng, X, Ghosh, D, Goldey, M, Horn, PR, Jacobson, LD, Kaliman, I, Khaliullin, RZ, Kus̈, T, Landau, A, Liu, J, Proynov, EI, Rhee, YM, Richard, RM, Rohrdanz, MA, Steele, RP, Sundstrom, EJ, Woodcock, HL, Zimmerman, PM, Zuev, D, Albrecht, B, Alguire, E, Austin, B, Beran, GJO, Bernard, YA, Berquist, E, Brandhorst, K, Bravaya, KB, Brown, ST, Casanova, D, Chang, CM, Chen, Y, Chien, SH, Closser, KD, Crittenden, DL, Diedenhofen, M, Distasio, RA, Do, H, Dutoi, AD, Edgar, RG, Fatehi, S, Fusti-Molnar, L, Ghysels, A, Golubeva-Zadorozhnaya, A, Gomes, J, Hanson-Heine, MWD, Harbach, PHP, Hauser, AW, Hohenstein, EG, Holden, ZC, Jagau, TC, Ji, H, Kaduk, B, Khistyaev, K, Kim, J, King, RA, Klunzinger, P, Kosenkov, D, Kowalczyk, T, Krauter, CM, Lao, KU, Laurent, AD, Lawler, KV, Levchenko, SV, Lin, CY, Liu, F, Livshits, E, Lochan, RC, Luenser, A, Manohar, P, Manzer, SF, Mao, SP, Mardirossian, N, Marenich, AV, Maurer, SA, Mayhall, NJ, Neuscamman, E, Oana, CM, Olivares-Amaya, R, Oneill, DP, Parkhill, JA, Perrine, TM, Peverati, R, Prociuk, A, Rehn, DR, Rosta, E, Russ, NJ, Sharada, SM, Sharma, S, Small, DW, Sodt, A, Shao, Y, Shao, Y, Gan, Z, Epifanovsky, E, Gilbert, ATB, Wormit, M, Kussmann, J, Lange, AW, Behn, A, Deng, J, Feng, X, Ghosh, D, Goldey, M, Horn, PR, Jacobson, LD, Kaliman, I, Khaliullin, RZ, Kus̈, T, Landau, A, Liu, J, Proynov, EI, Rhee, YM, Richard, RM, Rohrdanz, MA, Steele, RP, Sundstrom, EJ, Woodcock, HL, Zimmerman, PM, Zuev, D, Albrecht, B, Alguire, E, Austin, B, Beran, GJO, Bernard, YA, Berquist, E, Brandhorst, K, Bravaya, KB, Brown, ST, Casanova, D, Chang, CM, Chen, Y, Chien, SH, Closser, KD, Crittenden, DL, Diedenhofen, M, Distasio, RA, Do, H, Dutoi, AD, Edgar, RG, Fatehi, S, Fusti-Molnar, L, Ghysels, A, Golubeva-Zadorozhnaya, A, Gomes, J, Hanson-Heine, MWD, Harbach, PHP, Hauser, AW, Hohenstein, EG, Holden, ZC, Jagau, TC, Ji, H, Kaduk, B, Khistyaev, K, Kim, J, King, RA, Klunzinger, P, Kosenkov, D, Kowalczyk, T, Krauter, CM, Lao, KU, Laurent, AD, Lawler, KV, Levchenko, SV, Lin, CY, Liu, F, Livshits, E, Lochan, RC, Luenser, A, Manohar, P, Manzer, SF, Mao, SP, Mardirossian, N, Marenich, AV, Maurer, SA, Mayhall, NJ, Neuscamman, E, Oana, CM, Olivares-Amaya, R, Oneill, DP, Parkhill, JA, Perrine, TM, Peverati, R, Prociuk, A, Rehn, DR, Rosta, E, Russ, NJ, Sharada, SM, Sharma, S, Small, DW, and Sodt, A

Abstract

A summary of the technical advances that are incorporated in the fourth major release of the Q-Chem quantum chemistry program is provided, covering approximately the last seven years. These include developments in density functional theory methods and algorithms, nuclear magnetic resonance (NMR) property evaluation, coupled cluster and perturbation theories, methods for electronically excited and open-shell species, tools for treating extended environments, algorithms for walking on potential surfaces, analysis tools, energy and electron transfer modelling, parallel computing capabilities, and graphical user interfaces. In addition, a selection of example case studies that illustrate these capabilities is given. These include extensive benchmarks of the comparative accuracy of modern density functionals for bonded and non-bonded interactions, tests of attenuated second order Møller-Plesset (MP2) methods for intermolecular interactions, a variety of parallel performance benchmarks, and tests of the accuracy of implicit solvation models. Some specific chemical examples include calculations on the strongly correlated Cr2 dimer, exploring zeolite-catalysed ethane dehydrogenation, energy decomposition analysis of a charged ter-molecular complex arising from glycerol photoionisation, and natural transition orbitals for a Frenkel exciton state in a nine-unit model of a self-assembling nanotube.

Published
2015

6. Advances in molecular quantum chemistry contained in the Q-Chem 4 program package

Author

Shao, Y, Shao, Y, Gan, Z, Epifanovsky, E, Gilbert, ATB, Wormit, M, Kussmann, J, Lange, AW, Behn, A, Deng, J, Feng, X, Ghosh, D, Goldey, M, Horn, PR, Jacobson, LD, Kaliman, I, Khaliullin, RZ, Kus̈, T, Landau, A, Liu, J, Proynov, EI, Rhee, YM, Richard, RM, Rohrdanz, MA, Steele, RP, Sundstrom, EJ, Woodcock, HL, Zimmerman, PM, Zuev, D, Albrecht, B, Alguire, E, Austin, B, Beran, GJO, Bernard, YA, Berquist, E, Brandhorst, K, Bravaya, KB, Brown, ST, Casanova, D, Chang, CM, Chen, Y, Chien, SH, Closser, KD, Crittenden, DL, Diedenhofen, M, Distasio, RA, Do, H, Dutoi, AD, Edgar, RG, Fatehi, S, Fusti-Molnar, L, Ghysels, A, Golubeva-Zadorozhnaya, A, Gomes, J, Hanson-Heine, MWD, Harbach, PHP, Hauser, AW, Hohenstein, EG, Holden, ZC, Jagau, TC, Ji, H, Kaduk, B, Khistyaev, K, Kim, J, King, RA, Klunzinger, P, Kosenkov, D, Kowalczyk, T, Krauter, CM, Lao, KU, Laurent, AD, Lawler, KV, Levchenko, SV, Lin, CY, Liu, F, Livshits, E, Lochan, RC, Luenser, A, Manohar, P, Manzer, SF, Mao, SP, Mardirossian, N, Marenich, AV, Maurer, SA, Mayhall, NJ, Neuscamman, E, Oana, CM, Olivares-Amaya, R, Oneill, DP, Parkhill, JA, Perrine, TM, Peverati, R, Prociuk, A, Rehn, DR, Rosta, E, Russ, NJ, Sharada, SM, Sharma, S, Small, DW, Sodt, A, Shao, Y, Shao, Y, Gan, Z, Epifanovsky, E, Gilbert, ATB, Wormit, M, Kussmann, J, Lange, AW, Behn, A, Deng, J, Feng, X, Ghosh, D, Goldey, M, Horn, PR, Jacobson, LD, Kaliman, I, Khaliullin, RZ, Kus̈, T, Landau, A, Liu, J, Proynov, EI, Rhee, YM, Richard, RM, Rohrdanz, MA, Steele, RP, Sundstrom, EJ, Woodcock, HL, Zimmerman, PM, Zuev, D, Albrecht, B, Alguire, E, Austin, B, Beran, GJO, Bernard, YA, Berquist, E, Brandhorst, K, Bravaya, KB, Brown, ST, Casanova, D, Chang, CM, Chen, Y, Chien, SH, Closser, KD, Crittenden, DL, Diedenhofen, M, Distasio, RA, Do, H, Dutoi, AD, Edgar, RG, Fatehi, S, Fusti-Molnar, L, Ghysels, A, Golubeva-Zadorozhnaya, A, Gomes, J, Hanson-Heine, MWD, Harbach, PHP, Hauser, AW, Hohenstein, EG, Holden, ZC, Jagau, TC, Ji, H, Kaduk, B, Khistyaev, K, Kim, J, King, RA, Klunzinger, P, Kosenkov, D, Kowalczyk, T, Krauter, CM, Lao, KU, Laurent, AD, Lawler, KV, Levchenko, SV, Lin, CY, Liu, F, Livshits, E, Lochan, RC, Luenser, A, Manohar, P, Manzer, SF, Mao, SP, Mardirossian, N, Marenich, AV, Maurer, SA, Mayhall, NJ, Neuscamman, E, Oana, CM, Olivares-Amaya, R, Oneill, DP, Parkhill, JA, Perrine, TM, Peverati, R, Prociuk, A, Rehn, DR, Rosta, E, Russ, NJ, Sharada, SM, Sharma, S, Small, DW, and Sodt, A

Abstract

A summary of the technical advances that are incorporated in the fourth major release of the Q-Chem quantum chemistry program is provided, covering approximately the last seven years. These include developments in density functional theory methods and algorithms, nuclear magnetic resonance (NMR) property evaluation, coupled cluster and perturbation theories, methods for electronically excited and open-shell species, tools for treating extended environments, algorithms for walking on potential surfaces, analysis tools, energy and electron transfer modelling, parallel computing capabilities, and graphical user interfaces. In addition, a selection of example case studies that illustrate these capabilities is given. These include extensive benchmarks of the comparative accuracy of modern density functionals for bonded and non-bonded interactions, tests of attenuated second order Møller-Plesset (MP2) methods for intermolecular interactions, a variety of parallel performance benchmarks, and tests of the accuracy of implicit solvation models. Some specific chemical examples include calculations on the strongly correlated Cr2 dimer, exploring zeolite-catalysed ethane dehydrogenation, energy decomposition analysis of a charged ter-molecular complex arising from glycerol photoionisation, and natural transition orbitals for a Frenkel exciton state in a nine-unit model of a self-assembling nanotube.

Published
2015

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