Abstract
The Raman spectrum of DMSO is recorded with a Hilger two-prism spectrograph andλ 4358 Å excitation. In addition to all the Raman lines reported earlier, six new lines at 898, 925, 1223, 1309, 2811 and 2871 cm.−1 are observed and tentative assignments are given. The influence of solvents (CCl4, CHCl3, CH3COOH) on the S=O bond is also studied. A shift from the liquid phase value,i.e., 1043 cm.−1 to 1054, 1052 and 1009 cm.−1 in the respective solvents is observed. The possibilities of association effects and hydrogen bonding are discussed.
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Communicated by Professor R. S. Krishnan,f.a.sc.
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Selvarajan, A. Raman spectrum of dimethyl sulfoxide (DMSO) and the influence of solvents. Proc. Indian Acad. Sci. 64, 44–50 (1966). https://doi.org/10.1007/BF03049330
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DOI: https://doi.org/10.1007/BF03049330