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Stimulated Raman spectra of jet-cooled ethylene

✍ Scribed by L. Abad; D. Bermejo; R. Escribano; V.J. Herrero; J. Santos; I. Tanarro; G.D. Nivellini; L. Ramonat

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
556 KB
Volume
227
Category
Article
ISSN
0009-2614

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✦ Synopsis

We have recorded stimulated Raman spectra of the central region of the u, band of ethylene, both in a jet at temperatures down to z 25 K, and in a static cell at room temperature and at x 173 K. The rotational temperatures of the jet are estimated by computer simulation of the observed spectra. Only Q branches are recorded in this experiment. A vib-rotational analysis is performed and improved values are obtained for the band origin and the rotational constants of the v1 = 1 state of this molecule. Some perturbations are found to affect the rotational levels of this state.

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