Abstract
The electrostatic continuum solvent model developed by [Fattebert and Gygi J. Comput. Chem. 23, 662 (2002); Int. J. Quantum Chem. 93, 139 (2003)] is combined with a first-principles formulation of the cavitation energy based on a natural quantum-mechanical definition for the surface of a solute. Despite its simplicity, the cavitation contribution calculated by this approach is found to be in remarkable agreement with that obtained by more complex algorithms relying on a large set of parameters. Our model allows for very efficient Car-Parrinello simulations of finite or extended systems in solution and demonstrates a level of accuracy as good as that of established quantum-chemistry continuum solvent methods. We apply this approach to the study of tetracyanoethylene dimers in dichloromethane, providing valuable structural and dynamical insights on the dimerization phenomenon.
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Dates
Type | When |
---|---|
Created | 19 years, 6 months ago (Feb. 14, 2006, 6:08 p.m.) |
Deposited | 2 years ago (July 31, 2023, 5:41 p.m.) |
Indexed | 3 weeks, 2 days ago (July 30, 2025, 6:47 a.m.) |
Issued | 19 years, 6 months ago (Feb. 16, 2006) |
Published | 19 years, 6 months ago (Feb. 16, 2006) |
Published Online | 19 years, 6 months ago (Feb. 16, 2006) |
Published Print | 19 years, 6 months ago (Feb. 21, 2006) |
@article{Scherlis_2006, title={A unified electrostatic and cavitation model for first-principles molecular dynamics in solution}, volume={124}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.2168456}, DOI={10.1063/1.2168456}, number={7}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Scherlis, Damián A. and Fattebert, Jean-Luc and Gygi, François and Cococcioni, Matteo and Marzari, Nicola}, year={2006}, month=feb }