Solvent Effects and Vibronic Couplings of ag-Type Stretching Vibrations in T1-Bacteriochlorophyll a and S0- and S1-Spheroidene: Environment of these Pigments in the LH2 Complex of Rhodobacter sphaeroides

  • Y. Koyama
  • E. Nishizawa
  • M. Kuki
  • H. Nagae
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 74)


Theories of vibronic coupling predict that its strength is proportional to the square of coupling constants, and is inversely proportional to the energy gap of the electronic states involved; a coupling constant is proportional to the Lx matrix of the normal mode and the bond transition-density matrix between the pair of electronic states [1, 2, 3, 4]. Thus, Raman frequencies can reflect changes in the electronic energies through vibronic couplings.


Carbon Tetrachloride Benzyl Alcohol Vibrational Spectroscopy Rhodobacter Sphaeroides Reaction Field 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • Y. Koyama
    • 1
  • E. Nishizawa
    • 1
  • M. Kuki
    • 1
  • H. Nagae
    • 2
  1. 1.Faculty of ScienceKwansei Gakuin UniversityNishinomiya 662Japan
  2. 2.Kobe City University of Foreign StudiesNishi-ku, KobeJapan

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