The collision-induced transitions, M=He, Ar, N2, CF4

Abstract The dependences of the I 2 ( E0 g + ,v E ,J E → M D0 u + ,v D ,J D ) , M=He, Ar, N 2 ,CF 4 , transition rate constants on the vibrational v E , v D , rotational J E , J D quantum numbers, energy gaps, as well as their correlations with Franck–Condon factors of the initial and final levels have been studied. Intramolecular transitions induced by the C 3 / R 3 term of multipole series of potential energy operator instantaneous dipole (I 2 (E–D) optical transition) – instantaneous dipole (vibrational transitions in CF 4 molecule) have been found out and discussed. The collision-induced intramolecular transitions observed in this and our previous works [Chem. Phys. 242 (1999) 263, 263 (2001) 459 and Chem. Phys. 277 (2002) 179] have been classified.