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Systematic comparison of force fields for microscopic simulations of NaCl in aqueous solutions: Diffusion, free energy of hydration, and structural properties

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Patra, Michael, Karttunen, Mikko·2004·Journal of Computational Chemistry

Abstract

In this article we compare different force fields that are widely used (Gromacs, Charmm‐22/x‐Plor, Charmm‐27, Amber‐1999, OPLS‐AA) in biophysical simulations containing aqueous NaCl. We show that the uncertainties of the microscopic parameters of, in particular, sodium, and, to a lesser extent, chloride, translate into large differences in the computed radial‐distribution functions. This uncertainty reflect the incomplete experimental knowledge of the structural properties of ionic aqueous solutions at finite molarity. We discuss possible implications on the computation of potential of mean force and effective potentials. © 2004 Wiley Periodicals, Inc. J Comput Chem 25: 678–689, 2004

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Metadata

Authors
Patra, M., & Karttunen, M.
Venue
Journal of Computational Chemistry
Publisher
Wiley
Published
2004-02-10
Volume
25
Issue
5
Pages
678-689
ISSN
  • 0192-8651 (ISSN-L)
  • 1096-987X
OpenAlex
W2125807298
Cited by
204
References
2
FWCI
8.01
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Systematic comparison of force fields for microscopic simulations of NaCl in aqueous solutions: Diffusion, free energy of hydration, and structural properties. https://app.cochat.ai/papers/10.1002/jcc.10417
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Patra, M., & Karttunen, M. (2004). Systematic comparison of force fields for microscopic simulations of NaCl in aqueous solutions: Diffusion, free energy of hydration, and structural properties. Journal of Computational Chemistry. https://doi.org/10.1002/jcc.10417

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