Infra-red absorption bands 1-0, 2-0, 3-0 and 4-0 of the two isotopic species D⁷⁹Br and D⁸¹Br of deuterium bromide

A. Fayt Laboratoire de Spectroscopie Moléculaire, B-1348, Louvain-la-Neuve, Belgium

D. Van Lerberghe Laboratoire de Spectroscopie Moléculaire, B-1348, Louvain-la-Neuve, Belgium

G. Guelachvili Laboratoire Aimé Cotton, Orsay, France

C. Amiot Laboratoire Aimé Cotton, Orsay, France; Laboratoire de Physique Moléculaire et d'Optique Atm, Bâtiment 220, F-91405, Orsay

P. Bernage Laboratoire de Spectroscopie des Molécules Diatomiques, ERA 303, Lille, France

P. Niay Laboratoire de Spectroscopie des Molécules Diatomiques, ERA 303, Lille, France

Abstract

High resolution spectra of the 1-0, 2-0, 3-0, and 4-0 infra-red absorption bands of the two isotopic species of deuterium bromide have been recorded up to very high J values. The equilibrium molecular parameters obtained in the analysis fit the 267 observed lines within their experimental uncertainties, and give precise calculated wavenumbers for some observed chemical laser lines of these molecules.

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Infra-red absorption bands 1-0, 2-0, 3-0 and 4-0 of the two isotopic species D⁷⁹Br and D⁸¹Br of deuterium bromide

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Infra-red absorption bands 1-0, 2-0, 3-0 and 4-0 of the two isotopic species D79Br and D81Br of deuterium bromide

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Infra-red absorption bands 1-0, 2-0, 3-0 and 4-0 of the two isotopic species D⁷⁹Br and D⁸¹Br of deuterium bromide