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High-Resolution Infrared Fourier-Transform Spectroscopy and Rotational Constants of the ν4Band of BrNO2

✍ Scribed by J. Orphal; A. Frenzel; H. Grothe; B. Redlich; D. Scheffler; H. Willner; C. Zetzsch

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
148 KB
Volume
191
Category
Article
ISSN
0022-2852

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✦ Synopsis

For the first time, high-resolution infrared gas-phase absorption spectra of the BrNO 2 molecule were recorded using a Fourier-transform spectrometer. In this paper, the 4 bands of the 79 BrNO 2 and 81 BrNO 2 isotopomers around 1670 cm Ϫ1 are investigated. Although the spectra are highly congested, rotational and centrifugal distortion constants for the ground and v 4 ϭ 1 states of 79 BrNO 2 and 81 BrNO 2 were determined. The results show that BrNO 2 is a planar molecule of C 2 symmetry and confirm predictions from a recent ab initio study.

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