The vibrational fine structure of the 1T1g.LAR.1A1g absorption band of [Co(NH3)6]3+.

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概要

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• The crystal absorption spectra of [Co(NH<SUB>3</SUB>)<SUB>6</SUB>][Ir(CN)<SUB>6</SUB>] and [Co(ND<SUB>3</SUB>)<SUB>6</SUB>][Ir(CN)<SUB>6</SUB>] were studied at 4.2 K. The vibrational fine structure observed on the <SUP>1</SUP>T<SUB>1g</SUB>←<SUP>1</SUP>A<SUB>1g</SUB> absorption band of the hexaamminecobalt(III) complexes was interpreted in terms of a vibronic intensity scheme in comparison with the vibrational frequencies of the complexes. The deuteration shifts helped to confirm the assignments of the structure. It was found that, as well as the skeletal vibrations of the CoN<SUB>6</SUB> group, the NH<SUB>3</SUB> (and ND<SUB>3</SUB>) rocking and the H–N–H symmetric deformation modes are effective in the vibronic intensity mechanism of the bands.

• 公益社団法人 日本化学会の論文

著者

• Urushiyama Akio

  Department Of Chemistry And Graduate School Of Chemistry Rikkyo (st. Paul's) University

• Komi Yoshinori

  Department of Chemistry, Faculty of Science, Rikkyo University

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