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Published on: April 17, 2017
Raman spectra of deuteriated taurine single crystals
J M de Souza1, R J C Lima, P T C Freire
1Departamento de Física, Universidade Federal do Ceará, C.P. 6030, Fortaleza, CE 60455-760, Brazil.
Abstract:
The polarized Raman spectra of partially deuteriated taurine [(ND3+)0.65(NH3+)0.35(CH2)2SO3-] crystals from x(zz)x and x(zy)x scattering geometries of the Ag and Bg irreducible representations of the factor group C2h are reported. The temperature-dependent Raman spectra of partially deuteriated taurine do not reveal any evidence of the structural phase transition undergone by normal taurine at about 250 K, but an anomaly observed in the 180 cm-1 band at approximately 120 K implies a different dynamic for this band (which is involved in a pressure-induced phase transition) in the deuteriated crystal.
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