Polarized Raman spectra of L-arginine hydrochloride monohydrated single crystal
AUTOR(ES)
Faria, J.L.B., Freire, P.T.C., Gonçalves, R.O., Melo, F.E.A., Mendes Filho, J., Lima, R.J.C., Moreno, A.J.D.
FONTE
Brazilian Journal of Physics
DATA DE PUBLICAÇÃO
2010-09
RESUMO
Polarized Raman spectra of L-arginine hydrochloride monohydrated single crystal in nine different scattering geometries of the two irreducible representations of factor group C2 were studied at room temperature. The experimental wavenumber values are compared with those obtained from ab-initio calculation and the assignment of the Raman bands to the respective molecular vibrations is also given. Finally, a discussion related to a previously reported phase transition undergone by L-arginine hydrochloride monohydrated single crystal at low temperature is furnished.
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