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The Overtone Spectrum of H2 32S near 13 200 cm−1

✍ Scribed by Alain Campargue; Jean-Marie Flaud

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
218 KB
Volume
194
Category
Article
ISSN
0022-2852

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✦ Synopsis

The intracavity laser absorption spectrum of H2 32S has been recorded near 13 200 cm-1 with an equivalent absorption pathlength of 25 km. The observed spectrum is assigned to the (50(+/-), v2 = 1) states constituting a local mode pair in strong H22-type interaction. The rovibrational analysis has allowed the assignment of 210 lines involving 86 rotational upper state levels which have been reproduced with a rms of 0.023 cm-1 close to the experimental accuracy. A perturbation affecting one line is assigned to a local interaction with the (40(+/-), v2 = 3) local mode pair. The influence of the bending excitation on the local mode character of the (n0(+/-), v2 = 1) stretch-bend combination levels is discussed on the basis of the values of the rotational constants and of the H22 interaction parameters. Copyright 1999 Academic Press.

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