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The ν3 bands of HOBr around 16 μm measured by high-resolution Fourier-transform spectroscopy

✍ Scribed by J. Orphal; Q. Kou; F. Kwabia Tchana; O. Pirali; J.-M. Flaud

Book ID
104151893
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
132 KB
Volume
221
Category
Article
ISSN
0022-2852

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✦ Synopsis

The m 3 bands of HOBr around 16 lm have been recorded using high-resolution Fourier-transform absorption spectroscopy. More than 800 lines of the two main isotopomers, HO 79 Br and HO 81 Br, with K a values up to 4 and J values up to 41 have been assigned. Rotational and centrifugal distortion constants of the v 3 ¼ 1 states were determined from a non-linear least-squares fit using an A-reduced Watson-type Hamiltonian. The results improve Hamiltonian constants determined previously from microwave spectroscopy, and accurate vibrational band centers are determined for the first time: 620.22855 (25) and 618.90606 (25) cm À1 for the HO 79 Br and HO 81 Br isotopomers, respectively.

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