A note on the rotational analysis of the A–X system of the PbBr molecule
The rotational structure of the A–X system of the PbBr molecule has been recorded in the second order of a 35-ft concave grating spectrograph at a dispersion of 0.33 Å/mm and the analysis of four bands (3, 2), (2, 2), (4, 2), and (4, 1) has been done. In all, four branches have been observed for each of the bands and they have been explained as the P and R branches due to Pb79Br and Pb18Br. The following constants were obtained:[Formula: see text]
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1961 ◽
Vol 263
(1313)
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pp. 259-276
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1939 ◽
Vol 173
(952)
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pp. 28-37
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