Abstract
The infrared, Raman, and polarized micro-Raman spectra of the amino acid L-glutamine and its N,N'-d5 derivative in the crystalline state have been recorded and measured. The data obtained were used to propose a general assignment of the vibrational fundamentals on the basis of the intensity changes observed from the polarized Raman spectra, the iso-topic shifts measured from the deuterated isotopomer, and the correlations with frequencies assigned for other amino acids and related molecules.
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