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Predissociation dynamics of He79Br2 and Ne79Br2; test of product state propensity rules

โœ Scribed by N. Sivakumar; J.I. Cline; C.R. Bieler; K.C. Janda


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
376 KB
Volume
147
Category
Article
ISSN
0009-2614

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โœฆ Synopsis


Product state distributions for the predissociation of the van der Waais molecules He79BrZ and Ne79Br, in their respective B excited electronic states are reported. The partitioning of energy between the rotational and translational degrees of freedom observed for these molecules, and also that previously reported for HeClr and NeCl,, is compared to that predicted by Ewing's propensity rules for vibrational energy transfer. For this set of molecules the rules correctly predict that the V-T channel must account for most of the excess available energy but underestimate the participation of the V-R channel in the dissociation.


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High-resolution \(\left(0.003 \mathrm{~cm}^{-1}\right)\) FTIR spectra of monoisotopic \(\mathrm{H}_{3} \mathrm{Si}^{79} \mathrm{Br}\) have been studied in the \(v_{3}\) and \(v_{6}\) regions near 430 and \(630 \mathrm{~cm}^{-1}\). We have fitted 2016 transitions for \(v_{3}, 631\) for \(2 v_{3}\) \(