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Title: Fourier transform infrared and FT-Raman spectra and normal coordinate analysis of aminobenzoesaeure
Authors: Gunasekaran, S
Abitha, P
Keywords: FT-Raman spectrum;Infrared;Aminobenzoesaeure;Normal coordinate analysis;Potential energy distribution
Issue Date: May-2005
Publisher: CSIR
IPC Code: G01J3/28
Abstract:  The infrared and Raman spectral studies and the normal coordinate analysis of aminobenzoesaeure (AB) have been presented. The Fourier Transform Infrared spectrum has been obtained in the region 4000-400 cm-1 and the FT-Raman spectrum has been recorded over the range 3500-200 cm-1. The spectra have been investigated in terms of various fundamental modes of vibration. The observed infrared and Raman spectra exhibit all the salient features reported in literature. Accuracy of the spectral line positions and their bandwidths are found to be satisfactory. The structure of the complex has been established on the basis of CS symmetry. A normal coordinate analysis has been carried out following Wilson’s F.G.matrix method and a systematic set of potential constants has been evaluated. To check whether the chosen set of symmetric coordinates contribute maximum to the potential energy associated with the molecule, the potential energy distribution (PED) has been carried out.
Page(s): 329-334
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.43(05) [May 2005]

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