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1998
Journal Article
Titel
High-resolution infrared fourier-transform spectroscopy and rotational constants of the v(ind 4) band of BrNO2
Abstract
For the first time, high-resolution infrared gas-phase absorption spectra of the BrNO2 molecule were recorded using a Fourier-transform spectrometer. In this paper, the V4 bands of the 79BrNO2 and 81BrNO2 isotopomers around 1670 cm[-1] are investigated. Although the spectra are highly congested, rotational and centrifugal distortion constants for the ground and V4=1 states of 79BrNO2 and 81BrNO2 were determined. The results show that BrNO2 is a planar molecule of C2v symmetry and confirm predictions from a recent ab initio study.