Extension of local response dispersion method to excited-state calculation based on time-dependent density functional theory

Yasuhiro Ikabata, Hiromi Nakai

研究成果: Article査読

13 被引用数 (Scopus)

抄録

We report the extension of the local response dispersion (LRD) method to the excited-state calculation based on time-dependent density functional theory. The difference density matrix, which is usually used for excited-state response properties, enables a state-specific dispersion correction. The numerical assessment proves that interaction energies of exciton-localized molecular complexes and their shifts from the ground state are accurately reproduced by the LRD method. Furthermore, we find that the dispersion correction is important in reproducing binding energies of aromatic excimers, despite the existence of other attractive forces such as exciton delocalization and charge-transfer interaction.

本文言語English
論文番号124106
ジャーナルJournal of Chemical Physics
137
12
DOI
出版ステータスPublished - 2012 9 28

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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