Isotope shift studies of the B3--X3- bands of SO

Apparao, K. V. S. R. ; Narasimham, N. A. (1968) Isotope shift studies of the B3--X3- bands of SO Proceedings of the Indian Academy of Sciences, Section A, 68 (4). pp. 173-177. ISSN 0370-0089

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The B3--X3- bands of SO were excited in an electrodeless microwave (2450 Mc/s) discharge through trace amounts of sulphur enriched with 37% of 34S and oxygen enriched with about 40% of 18O. The emission spectra of 32S16O, 34S16O and 32S18O were photographed on a Jarrell-Ash 3.4 m. grating spectrograph at a dispersion of 5Å/mm. Isotope shift data obtained from the present studies support the revision of the earlier vibrational scheme (Henri and Wolff, 1929; Martin, 1932) by increasing v"-quantum numbering by two units as suggested by Norrish and Oldershaw (1959).

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