We present the general theory and implementation of the Conductor-like Screening Model according to the recently developed ddCOSMO paradigm. The various quantities needed to apply ddCOSMO at different levels of theory, including quantum mechanical descriptions, are discussed in detail, with a particular focus on how to compute the integrals needed to evaluate the ddCOSMO solvation energy and its derivatives. The overall computational cost of a ddCOSMO computation is then analyzed and decomposed in the various steps: the different relative weights of such contributions are then discussed for both ddCOSMO and the fastest available alternative discretization to the COSMO equations. Finally, the scaling of the cost of the various steps with respect to the size of the solute is analyzed and discussed, showing how ddCOSMO opens significantly new possibilities when cheap or hybrid molecular mechanics/quantum mechanics methods are used to describe the solute.
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14 November 2014
Research Article|
November 12 2014
Quantum, classical, and hybrid QM/MM calculations in solution: General implementation of the ddCOSMO linear scaling strategy
Filippo Lipparini;
Filippo Lipparini
a)
1
Sorbonne Universités
, UPMC Univ. Paris 06, UMR 7598, Laboratoire Jacques-Louis Lions, F-75005 Paris, France
2
Sorbonne Universités
, UPMC Univ. Paris 06, UMR 7616, Laboratoire de Chimie Théorique, F-75005 Paris, France
3
Sorbonne Universités
, UPMC Univ. Paris 06, Institut du Calcul et de la Simulation, F-75005 Paris, France
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Giovanni Scalmani;
Giovanni Scalmani
4
Gaussian, Inc.
, 340 Quinnipiac St. Bldg. 40, Wallingford, Connecticut 06492, USA
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Louis Lagardère
;
Louis Lagardère
3
Sorbonne Universités
, UPMC Univ. Paris 06, Institut du Calcul et de la Simulation, F-75005 Paris, France
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Benjamin Stamm;
Benjamin Stamm
1
Sorbonne Universités
, UPMC Univ. Paris 06, UMR 7598, Laboratoire Jacques-Louis Lions, F-75005 Paris, France
5
CNRS
, UMR 7598 and 7616, F-75005 Paris, France
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Eric Cancès;
Eric Cancès
6
Université Paris-Est
, CERMICS, Ecole des Ponts and INRIA, 6 & 8 avenue Blaise Pascal, 77455 Marne-la-Vallée Cedex 2, France
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Yvon Maday;
Yvon Maday
1
Sorbonne Universités
, UPMC Univ. Paris 06, UMR 7598, Laboratoire Jacques-Louis Lions, F-75005 Paris, France
7
Institut Universitaire de France
, Paris, France and Division of Applied Maths, Brown University, Providence, Rhode Island 02912, USA
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Jean-Philip Piquemal;
Jean-Philip Piquemal
2
Sorbonne Universités
, UPMC Univ. Paris 06, UMR 7616, Laboratoire de Chimie Théorique, F-75005 Paris, France
5
CNRS
, UMR 7598 and 7616, F-75005 Paris, France
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Michael J. Frisch;
Michael J. Frisch
4
Gaussian, Inc.
, 340 Quinnipiac St. Bldg. 40, Wallingford, Connecticut 06492, USA
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Benedetta Mennucci
Benedetta Mennucci
8Dipartimento di Chimica e Chimica Industriale,
Università di Pisa
, Via Risorgimento 35, 56126 Pisa, Italy
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a)
Electronic mail: flippari@uni-mainz.de
J. Chem. Phys. 141, 184108 (2014)
Article history
Received:
September 17 2014
Accepted:
October 29 2014
Citation
Filippo Lipparini, Giovanni Scalmani, Louis Lagardère, Benjamin Stamm, Eric Cancès, Yvon Maday, Jean-Philip Piquemal, Michael J. Frisch, Benedetta Mennucci; Quantum, classical, and hybrid QM/MM calculations in solution: General implementation of the ddCOSMO linear scaling strategy. J. Chem. Phys. 14 November 2014; 141 (18): 184108. https://doi.org/10.1063/1.4901304
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