Proceedings of the Indian Academy of Sciences - Section A

, Volume 63, Issue 1, pp 20-25

First online:

Raman and infra-red spectra of crystalline ammonium sulphamate

  • R. S. KatiyarAffiliated withPhysics Department, Indian Institute of Science

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Raman spectrum of a single crystal of ammonium sulphamate has been recorded for the two different orientations using λ 2537 resonance radiation of the mercury as the exciter. Thirty-four Raman lines have been observed of which eight belong to the lattice oscillations. Weak hydrogen bonding of NH2 group in the crystal was predicted. The infra-red absorption spectrum of the substance was taken in the powder form in potassium bromide disc, using Carl Zeiss UR10 IR spectrometer. Thirty-five absorption maxima could be identified.