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Dispersion interactions in density‐functional theory
Author(s) -
Johnson Erin R.,
Mackie Iain D.,
DiLabio Gino A.
Publication year - 2009
Publication title -
journal of physical organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.325
H-Index - 66
eISSN - 1099-1395
pISSN - 0894-3230
DOI - 10.1002/poc.1606
Subject(s) - dispersion (optics) , density functional theory , parameterized complexity , chemistry , perspective (graphical) , statistical physics , computational chemistry , chemical physics , nanotechnology , computer science , quantum mechanics , physics , artificial intelligence , materials science , algorithm
Density‐functional theory (DFT) allows for the calculation of many chemical properties with relative ease, thus making it extremely useful for the physical organic chemistry community to understand and focus on various experiments. However, density‐functional techniques have their limitations, including the ability to satisfactorily describe dispersion interactions. Given the ubiquitous nature of dispersion in chemical and biological systems, this is not a trivial matter. Recent advances in the development of DFT methods can treat dispersion. These include dispersion‐corrected DFT (using explicit, attractive dispersion terms), parameterized functionals, and dispersion‐correcting potentials, all of which can dramatically improve performance for dispersion‐bound species. In this perspective, we highlight the achievements made in modeling dispersion using DFT. We hope that this will provide valuable insight to both computational chemists and experimentalists, who aim to study physical processes driven by dispersion interactions. Copyright © 2009 John Wiley & Sons, Ltd.

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