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Analysis of High-Resolution Spectra of 18O3: 1. Spectral Range 1300–3100 cm−1

✍ Scribed by A Chichery; A Barbe; Vl.G Tyuterev; M.T Bourgeois

Book ID
102602388
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
495 KB
Volume
206
Category
Article
ISSN
0022-2852

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✦ Synopsis

Using a Fourier transform spectrometer, we have recorded the spectra of the 18 O 3 species of ozone in the region 1300-3100 cm -1 , with a resolution of 0.003 cm -1 . The large product pathlength × pressure enable us to record 18 bands, 14 for the first time. The analysis has been performed using effective Hamiltonians for polyads of strongly interacting states for ozone, accounting for Coriolis and anharmonic resonances. The spectral parameters are derived for 16 vibrational states, including the two "dark" states ( 040) and ( 130). Various resonances are studied through the mixing coefficients of rovibrational wavefunctions. Systematic intensity measurements allow determination of transition moment parameters for 16 bands. Finally, a complete list of all transitions from 1300 to 3100 cm -1 , with cutoffs 10 -26 cm -1 /mol cm -2 (296 K), is calculated.

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