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The nascent product vibrational energy distribution of the reaction O(1D) + H2 by the grating selection chemical laser technique

✍ Scribed by Yulin Huang; Yukun Gu; Chengshan Liu; Xuefeng Yang; Yusheng Tao

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 584 KB
Volume: 127
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(86)80586-3

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✦ Synopsis

The nascent product vibrational energy distribution of the reaction O('D)+ H, has been determined by using the grating selection chemical laser technique. The main experimental results are: N, /Nc = 0.69, N,/N, = 0.92, Ns/N, = 0.80, N.,/Ns < 0.71. A computer modeling is carried out which shows that the combined effects of vibrational relaxation and secondary reaction 0, + H + OH + 0, in all vibrational energy levels are less than 20% under our experimental conditions. The results are discussed in terms of surprisal analysis, resulting in the relative contribution of insertion and abstraction reaction channels being about 2 to 1. A comparison with laser-induced fluorescence and infrared chemiluminescence and with theoretical calculations is presented.

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