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Vibrational relaxation of the C-X stretching mode in halobenzenes

✍ Scribed by S. Ho; S. Maleknia; M. Schwartz

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 298 KB
Volume: 94
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(83)85034-9

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✦ Synopsis

The Raman linewidths of the carbon-halogen stretching mode in several halobenzenes were measured as a function of temperature and in dilute cyclohexane solution_ It was found that, as in an earlier investigation on haloalkanes, the vibrational relaxation efficiencies, pi;',, vary in the order Cl > Br > I. The temperature dependence of qso, together with the results in dilute solution, provide evidence that dipolar interactions play a significant role in vibrational relaxation in these systems.

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