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A laser induced fluorescence study of vibrational energy transfer processes in cyclopropane

Results of infrared laser induced fluorescence studies on cyclopropane are presented. Molecules were excited from the ground state to the v 10 level of cyclopropane using a Q-switched CO 2 laser operating on either the P(14) or P(20) transition of the 9.6 μ branch. Fluorescence was observed from the...

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Bibliographic Details
Published in:Chemical physics 1978, Vol.27 (1), p.65-71
Main Authors: Fujimoto, Gordon T., Weitz, Eric
Format: Article
Language:English
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Summary:Results of infrared laser induced fluorescence studies on cyclopropane are presented. Molecules were excited from the ground state to the v 10 level of cyclopropane using a Q-switched CO 2 laser operating on either the P(14) or P(20) transition of the 9.6 μ branch. Fluorescence was observed from the v 6, v 8, v 10 + v 11 and v 5 + v 10 levels of cyclopropane. The self-deactivation of vibrationally excited cyclopropane through V → T/R processes was found to have a rate of 8.0 ± 1.5 ms −1 torr −1. Deactivation by rare gas collisions was also studied with comparison to simple V → T and V → R theories. V → V equilibration processes are discussed involving the v 6, v 8, v 10, v 11, and v 10 + v 11 levels.
ISSN:0301-0104
DOI:10.1016/0301-0104(78)85162-3