Proceedings of the Indian Academy of Sciences - Section A

, Volume 55, Issue 3, pp 153-160

First online:

Raman spectrum ofl-asparagine monohydrate

  • K. KrishnanAffiliated withDepartment of Physics, Indian Institute of Science
  • , R. S. KrishnanAffiliated withDepartment of Physics, Indian Institute of Science

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The Raman spectrum ofl-asparagine monohydrate in the form of a single crystal has been recorded for the first time.λ 2537 excitation has been used. Fifty-three Raman frequency shifts have been recorded. They are grouped as follows: Eight Raman lines coming under the lattice spectrum, three Raman lines arising from low-frequency vibrations of the hydrogen bonds and the remaining forty-two arising from the internal oscillations of the asparagine molecule. Appropriate assignments have been given for the observed Raman lines.