Author:
Vervloet M.,Berthou J. M.
Abstract
The rotational analysis of the ν′2 ← 0 bands of the A–X system of PD2 has been done for ν′2 = 1 to 10. The set of the 1034 difference combinations has permitted us to determine with good precision the rotational constants of the ν″2 = 0 level of the ground state. A comparison with the corresponding constants of PH2 has shown that the application of isotopic relations to the rotational constants leads to a very good approximation in the prevision of these constants.The excited state levels are marked by large amplitudes and the Renner effect. The BDD model already applied to PH2 fits very well with the PD2 experimental data. On the other hand, although localized perturbations are less numerous in the PD2 spectrum, the presence of some intense non-identified lines suggests that interactions between higher levels of the X(2B1) state and the first levels of the A(2A1) state are to be expected.[Journal translation]
Publisher
Canadian Science Publishing
Subject
General Physics and Astronomy
Cited by
7 articles.
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