Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/25636
Type: Artigo de periódico
Title: Raman scattering studies of monohydrated L-asparagine
Author: Moreno, A.J.D.
Freire, P.T.C.
Guedes, I.
Melo, F.E.A.
Mendes-Filho, J.
Sanjurjo, J.A.
Abstract: Polarized first-order Raman scattering studies at 300 K were carried out in L-asparagine monohydrate crystal in order to obtain the general assignment of its phonon spectra. A careful analysis of the vibrational spectra shows that the assignment of the fundamental vibrational modes can be done on the basis of amino, carboxilic and water groups vibrations, and correlations with previous data reported for other amino acids. However, some vibrations were correctly assigned from the study of its temperature - dependence behavior performed in the range 10 - 300 K. The assignment proposed cofirm the zwitterionic structure of L-asparagine monohydrate crystal.
Editor: Sociedade Brasileira de Física
Rights: aberto
Identifier DOI: 10.1590/S0103-97331999000200019
Address: http://dx.doi.org/10.1590/S0103-97331999000200019
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97331999000200019
Date Issue: 1-Jun-1999
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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