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Importance of van der Waals Interactions in Liquid Water

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Lin, I-Chun, Seitsonen, Ari P., Coutinho-Neto, Maurício D., Tavernelli, Ivano, Rothlisberger, Ursula·2009·The Journal of Physical Chemistry B

Abstract

We present ab initio molecular dynamics studies on liquid water using density functional theory in conjunction with either dispersion-corrected atom-centered potentials or empirical van der Waals corrections. Our results show that improving the description of van der Waals interactions in DFT-GGA leads to a softening of liquid water's structure with higher mobility. The results obtained with dispersion-corrected atom-centered potentials are especially encouraging. In particular, the radial distribution functions are in better agreement with experiment, and the self-diffusion coefficient increases by more than three-fold compared with the one predicted by the BLYP functional. This work demonstrates that van der Waals interactions are essential in fine-tuning both structural and dynamical properties of liquid water.

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Metadata

Authors
Lin, I.-C., Seitsonen, A. P., Coutinho-Neto, M. D., Tavernelli, I., & Rothlisberger, U.
Venue
The Journal of Physical Chemistry B
Published
2009-01-05
Volume
113
Issue
4
Pages
1127-1131
ISSN
  • 1520-5207 (ISSN-L)
  • 1520-6106
OpenAlex
W2009750676
Cited by
202
References
0
FWCI
13.94
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Importance of van der Waals Interactions in Liquid Water. https://app.cochat.ai/papers/10.1021/jp806376e
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Lin, I.-C., Seitsonen, A. P., Coutinho-Neto, M. D., Tavernelli, I., & Rothlisberger, U. (2009). Importance of van der Waals Interactions in Liquid Water. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp806376e

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