Structural deformation of a ring-shaped Re(I) diimine dinuclear complex in the excited state

Sei'ichi Tanaka, Yoshitaka Matsubara, Tsuyoshi Asatani, Tatsuki Morimoto, Osamu Ishitani, Ken Onda

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We investigated the excited state of a ring-shaped dinuclear Re(I) diimine bis-carbonyl complex that shows promise with regard to efficient photosensitized reactions and multi-electron storage, using time-resolved infrared (TR-IR) vibrational spectroscopy and quantum chemical calculations. Anomalous peaks in the CO stretching region of the TR-IR spectrum were well reproduced by the calculations. It was found that metal-to-ligand charge transfer occurs only in one of the Re complex units, and that the excited state geometry is deformed relative to the ground state in order to relax the associated steric tension. This structural deformation generates the unique photophysical properties of the complex.

Original languageEnglish
Pages (from-to)120-126
Number of pages7
JournalChemical Physics Letters
Volume662
DOIs
Publication statusPublished - Oct 1 2016

All Science Journal Classification (ASJC) codes

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

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