Time-dependent density functional theory study of absorption spectra of metallocenes

Yong L. Li, Lei Han, Ye Mei, John Zhang

Research output: Contribution to journalArticle

Abstract

Extensive TDDFT calculations with various combinations of functionals are carried out to compute low-lying excited states of ferrocene. The combined functional and basis set approach TD-PBE0/6-311++G(d,p) is found to be well-behaved in the calculation of excited states. This choice of functional/basis set can give correct ground-state geometries, excitation energies, absorption spectra, and correct symmetry sequence of low level unoccupied molecular orbitals. This method is applied to the calculation of excitation energies of bis(benzene)chromium and four derivatives of ferrocene and the results are accurate within 0.3 eV. The current study implies that the combination TD-PBE0/6-311++G(d,p) can be used to compute excited state properties of other transition metal complexes.

Original languageEnglish (US)
Pages (from-to)217-222
Number of pages6
JournalChemical Physics Letters
Volume482
Issue number4-6
DOIs
StatePublished - 2009

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Organometallics
Excited states
Density functional theory
Absorption spectra
Excitation energy
density functional theory
absorption spectra
excitation
Coordination Complexes
Crystal symmetry
Energy absorption
Chromium
Molecular orbitals
Benzene
Ground state
Transition metals
Derivatives
energy absorption
Geometry
functionals

ASJC Scopus subject areas

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

Cite this

Time-dependent density functional theory study of absorption spectra of metallocenes. / Li, Yong L.; Han, Lei; Mei, Ye; Zhang, John.

In: Chemical Physics Letters, Vol. 482, No. 4-6, 2009, p. 217-222.

Research output: Contribution to journalArticle

Li, Yong L. ; Han, Lei ; Mei, Ye ; Zhang, John. / Time-dependent density functional theory study of absorption spectra of metallocenes. In: Chemical Physics Letters. 2009 ; Vol. 482, No. 4-6. pp. 217-222.
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