Trajectory studies on the Collisional Relaxation of Highly Excited Benzenes by Mono-and Polyatomic Colliders

摘要

Collisional energy transfer (CET) of highly vibrationlly excited benzene and hexafluorobenzene molecules has been investigated by quasiclassical trajectory calculations. Influences of the intramolecular potential reflected in molecular parameters are studied systematically in collisions with argon. It is found that the lower the vibrational frequencies the more efficient is CET. Intermolecular potential effects are investigated. At larger well depths (for benzene + argon) the first moment of energy transfer <△E> scales with ε and is not very sensitive to details of the interaction.