Unimolecular dynamics following vibrational overtone excitation of HN3 v1=5 and v1=6: HN3(X̃;v,J,K)→HN(X 3Σ−;v,J,Ω)+N2 (X 1Σ+g)
- 1 July 1988
- journal article
- letter
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 89 (1) , 608-609
- https://doi.org/10.1063/1.455454
Abstract
Excitation of the NH‐stretch overtone transitions of HN3 to v1=5 and 6 resulted in predissociation to HN(X) and N2(X) with lifetimes of 80+60−30 and ≤3 ns, respectively. Following excitation of either overtone, the HN fragments were formed predominantly in the symmetric F1, F3 spin–rotation states, with less than 4% population in the antisymmetric F2 levels. Fragment Doppler profiles confirmed that most of the available energy (>96%) went into translational motion.Keywords
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