Vibrations of the Amino Group in Glycine Hydrochloride: Spectral Hole Burning and Isotope Shifts | Zendy

HungWen Li | Zendy; GuSheng Yu | Zendy; Herbert L. Strauss | Zendy

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Vibrations of the Amino Group in Glycine Hydrochloride: Spectral Hole Burning and Isotope Shifts

Author(s) -

HungWen Li,

GuSheng Yu,

Herbert L. Strauss

Publication year - 1998

Publication title -

the journal of physical chemistry b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.864

H-Index - 392

eISSN - 1520-6106

pISSN - 1520-5207

DOI - 10.1021/jp972563b

Subject(s) - deuterium , moiety , valence (chemistry) , glycine , kinetic isotope effect , chemistry , hydrochloride , isotope , group (periodic table) , stereochemistry , physics , atomic physics , organic chemistry , amino acid , nuclear physics , biochemistry

Hole burning of the N−D stretches of the deuterium-doped glycine hydrochloride results in holes and antiholes in the various regions of the spectrum. These can be assigned to various orientations of the NH2D+ moiety. Bands at about 800 cm-1 are probably the amino group rocks, but the other changing bands must arise from complex mixtures of the valence vibrations. The hole burning takes considerable time, on the order of 1 h, and puts most of the NH2D+ in the orientation of lowest energy.

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