New results on the D2Π and B′2Π states of the PO molecule
- 15 March 1976
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Physics
- Vol. 54 (6) , 695-708
- https://doi.org/10.1139/p76-078
Abstract
A rotational analysis of the D–X and D′–X band systems of PO in the region 1900–2100 Å has been reinvestigated from an absorption spectrum taken at high resolution. A new ν = 1 vibrational level of the D2Π state of PO interacting with a new vibrational level of the D′2Π state has been studied in detail. Two other new vibrational levels, ν = 2 and 3, of D2Π have been recorded and studied in detail. A rigorous deperturbation of the D and D′ levels has been carried out. It has been shown that D′2Π and B′2Π are one and the same state of the PO molecule. A new band overlapped by the D′–X, 26–0 band has been attributed to the B2Σ+–X2Π transition.Keywords
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