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

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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