Structural Investigation of the Ground and Excited States of ClRe(CO)3(4,4′-bipyridyl)2 Using Vibrational Spectroscopyy

Daniel R. Gamelin, Michael W. George, Paul Glyn, Friedrich Wilhelm Grevels, Frank P.A. Jhonson, Werner Klotzbücher, Sara L. Morrison, Graham Russell, Kurt Schaffner, James J. Turner

Research output: Journal PublicationArticlepeer-review

140 Citations (Scopus)

Abstract

Fast time-resolved infrared spectroscopy (TRIR) is used to probe the v(CO) spectrum of ClRe(CO)3(4,4′-bipyridyl)2 in the lowest MLCT (metal-to-ligand charge transfer) excited state. The three ground-state v(CO) bands all shift up in frequency, but not by the same amount. The energy-factored force field (EFFF) of the ground state is accurately solved by employing.13CO-enrichment. Approximate methods yield information on the force field of the excited state; the principal EFFF force constants (kCO(axial) and kCO(equatorial)) change by the same amount on excitation. This leads to a new interpretation of the resonance Raman spectrum of the compound.

Original languageEnglish
Pages (from-to)3246-3250
Number of pages5
JournalInorganic Chemistry
Volume33
Issue number15
DOIs
Publication statusPublished - 1 Jul 1994
Externally publishedYes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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