Abstract

The infrared multiphoton geometrical isomerization of cis-CIFC=CFCl was studied under different fluences and pressures in mixtures of cis and trans isomers at a constant concentration ratio of 0.9. The absorption process was characterized phenomenologically by laser absorption cross-section measurements as a function of fluence (Φ) and pressure. The collisional effects on P(Φ) were also investigated in the presence of added Ar, CO 2 and C 2F 6. A simplified master-equation formalism was applied to simulate the absorption as well as the reactive and collisional relaxation process. In the latter case information about the energy transferred per collision 〈Δ E〉 for the different colliders was obtained.

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