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Influence of the exchange screening parameter on the performance of screened hybrid functionals

Krukau, Aliaksandr V., Vydrov, Oleg A., Izmaylov, Artur F., Scuseria, Gustavo E.·2006·The Journal of Chemical Physics

Abstract

This work reexamines the effect of the exchange screening parameter ω on the performance of the Heyd-Scuseria-Ernzerhof (HSE) screened hybrid functional. We show that variation of the screening parameter influences solid band gaps the most. Other properties such as molecular thermochemistry or lattice constants of solids change little with ω. We recommend a new version of HSE with the screening parameter ω=0.11bohr−1 for further use. Compared to the original implementation, the new parametrization yields better thermochemical results and preserves the good accuracy for band gaps and lattice constants in solids.

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Metadata

Authors
Krukau, A. V., Vydrov, O. A., Izmaylov, A. F., & Scuseria, G. E.
Venue
The Journal of Chemical Physics
Published
2006-12-13
Volume
125
Issue
22
Pages
224106-224106
ISSN
  • 0021-9606 (ISSN-L)
  • 1089-7690
OpenAlex
W1994880295
Cited by
7,005
References
1
FWCI
9.24
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Influence of the exchange screening parameter on the performance of screened hybrid functionals. https://app.cochat.ai/papers/10.1063/1.2404663
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Krukau, A. V., Vydrov, O. A., Izmaylov, A. F., & Scuseria, G. E. (2006). Influence of the exchange screening parameter on the performance of screened hybrid functionals. The Journal of Chemical Physics. https://doi.org/10.1063/1.2404663

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.