Temperature and pressure study of fermi resonance spectrum in liquid benzene-h₆

L. Nikiel Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007, Katowice, Poland

R. Wrzalik Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007, Katowice, Poland

A. Bródka Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007, Katowice, Poland

Abstract

The totally depolarized Raman bands of benzene-h₆, ν₁₆ and ν₂ + ν₁₈ modes coupled by Fermi coupling, have been studied as a function of pressure and temperature. The spectra were analysed using a model based on the projection-operator formalism. The results obtained show the slight influence of the intermolecular interaction on the intramolecular potential and vibrational relaxation.

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Temperature and pressure study of fermi resonance spectrum in liquid benzene-h₆

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Temperature and pressure study of fermi resonance spectrum in liquid benzene-h₆