Cited by 3,587Advanced Chemical Physics StudiesCrystallography and molecular interactionsAdvanced Physical and Chemical Molecular Interactions

Chemical accuracy for the van der Waals density functional

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Klimeš, Jiří, Bowler, David R, Michaelides, Angelos·2010·Journal of Physics: Condensed Matter

Abstract

The non-local van der Waals density functional (vdW-DF) of Dion et al (2004 Phys. Rev. Lett. 92 246401) is a very promising scheme for the efficient treatment of dispersion bonded systems. We show here that the accuracy of vdW-DF can be dramatically improved both for dispersion and hydrogen bonded complexes through the judicious selection of its underlying exchange functional. New and published exchange functionals are identified that deliver much better than chemical accuracy from vdW-DF for the S22 benchmark set of weakly interacting dimers and for water clusters. Improved performance for the adsorption of water on salt is also obtained.

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Crossref · 10.1088/0953-8984/22/2/022201

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Authors
Klimeš, J., Bowler, D. R., & Michaelides, A.
Affiliations
London Centre for Nanotechnology (GB)
Venue
Journal of Physics: Condensed Matter
Published
2009-12-10
Volume
22
Issue
2
Pages
022201
ISSN
  • 0953-8984 (ISSN-L)
  • 1361-648X
OpenAlex
W2158043072
Cited by
3,587
References
33
Citations by year
2026: 126 · 2025: 212 · 2024: 258 · 2023: 216 · 2022: 277 · 2021: 362 · 2020: 351 · 2019: 350 · 2018: 353 · 2017: 274 · 2016: 268 · 2015: 184 · 2014: 164 · 2013: 87 · 2012: 49
FWCI
19.48
Type
journal article
Language
en
Open access
Locations
  • Journal of Physics Condensed Matter (publishedVersion)
  • PubMed (publishedVersion)
Funders
Engineering and Physical Sciences Research Council (EP/F013612/1, EP/F067496/1)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Advanced Chemical Physics Studies
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Crystallography and molecular interactions
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Advanced Physical and Chemical Molecular Interactions
Keywords
van der Waals density functional, dispersion interactions, exchange functional, hydrogen bonding, water clusters, chemical accuracy
MeSH terms
Models, Chemical, Quantum Theory, Thermodynamics

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