Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

We have recently introduced [J. Chem. Phys. 122, 154104 (2005)] a simple parameter-free model of the dispersion interaction based on the instantaneous in space, dipole moment of the exchange hole. The model generates remarkably accurate interatomic and intermolecular C6 dispersion coefficients, and geometries and binding energies of intermolecular complexes. The model involves, in its original form, occupied Hartree-Fock or Kohn-Sham orbitals. Here we present a density-functional reformulation depending only on total density, the gradient and Laplacian of the density, and the kinetic-energy density. This density-functional model performs as well as the explicitly orbital-dependent model, yet offers obvious computational advantages.

Bibliography

Becke, A. D., & Johnson, E. R. (2005). A density-functional model of the dispersion interaction. The Journal of Chemical Physics, 123(15).

Authors 2
  1. Axel D. Becke (first)
  2. Erin R. Johnson (additional)
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Dates
Type When
Created 19 years, 10 months ago (Oct. 12, 2005, 6:20 p.m.)
Deposited 2 years, 1 month ago (July 3, 2023, 9:01 p.m.)
Indexed 19 hours, 9 minutes ago (Aug. 21, 2025, 2:10 p.m.)
Issued 19 years, 10 months ago (Oct. 14, 2005)
Published 19 years, 10 months ago (Oct. 14, 2005)
Published Online 19 years, 10 months ago (Oct. 14, 2005)
Published Print 19 years, 10 months ago (Oct. 15, 2005)
Funders 0

None

@article{Becke_2005, title={A density-functional model of the dispersion interaction}, volume={123}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.2065267}, DOI={10.1063/1.2065267}, number={15}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Becke, Axel D. and Johnson, Erin R.}, year={2005}, month=oct }