THE ABSORPTION SPECTRUM OF $HNO_{3}$ AROUND $7.2 \mu m$
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Date
1986
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Ohio State University
Abstract
The nitric acid absorption spectrum has been recorded between 1.270 and $1.370 cm^{-1}$ with a very high resolution Fourier transform spectrometer (resolution $3 \times 10^{-1} cm^{-1}$). The distillated $HNO_{3}$ gas was contained at pressures less than 1 torr in a 12 cm length cell coolable over a temperature range 263-288 K. During the analysis of the spectrum the ground state levels calculated with the rotational constants of Maki [1] have proved to be very useful.
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[1] A.G. Maki and J.S. Wells, J. Mol. Spectrosc. 108, 17 (1984) Address of Lado-Bordowsky and Perrin: Laboratoire de Physique Mol\`{e}culaire et d'Optique Atmosph\`{e}rique, CNRS, B\^{a}t. 221, Campus d'Orsay, 91405 Orsay Cedex, France Address of Valentin: Laboratoire de Spectronomie Mol\'{e}culaire, CNRS, Tour 13, Universit\'{e} de Paris 6, 4 Place Jussieu, 75230 Paris Cedex 05, France
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