Vibrational overtone spectra and vibrational dynamics of CFHCl₂and (CH₃)₂CFH

Abstract

The vibrational spectra of fluoro-dichloromethane and 1,1,1,2,3,3,3-heptafluoropropane have been measured at intermediate and high resolutions between 1200 and 12 000 cm-1. The results are interpreted quantitatively in terms of multiple anharmonic resonance interactions for the stretching and bending motions of the CH-chromophore. The relationship to intramolecular vibrational redistribution and relaxation is discussed briefly.