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Raman spectrum of crystalline aminosulphonic acid

Krishnamurthy, N (1965) Raman spectrum of crystalline aminosulphonic acid. In: Proceedings of the Indian Academy of Sciences - Section A, 61 (3). pp. 146-151.

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The Raman spectrum of a single crystal of sulphamic acid has been recorded withλ 2537 excitation. Thirty-eight lines have been observed, of which twenty-nine have been recorded for the first time. Seven Raman lines with shifts in the region 50–155 cm.−1 have been assigned to the lattice oscillations, two at 177 and 240 cm.−1 have been attributed to the low-frequency hydrogen bond vibrations.. The splitting of the degenerate modes and the appearance of N-H....O bonded stretching vibrations are consistent with the structural data which expect the presence of the free molecule as a Zwitter ion with only slight distortion from C3v symmetry.

Item Type: Journal Article
Publication: Proceedings of the Indian Academy of Sciences - Section A
Publisher: Indian Academy of Sciences
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 03 Jun 2010 05:35
Last Modified: 19 Sep 2010 06:07
URI: http://eprints.iisc.ac.in/id/eprint/27939

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