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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3219

Title: Non-planar distortions in a peptide unit as studied by NMR in liquid crystal solvents
Authors: Khetrapal, C.L.
Ramaprasad, S.
Keywords: Peptide unit
chemical shift
indirect spin-spin coupling constants
direct dipolar couplings
order parameter
nematic phase
lsotropic phase
Issue Date: 1977
Publisher: The Indian Institute of Science
Citation: Journal of the Indian Institute of Science, 1977, Vol.59, p53-74
Abstract: A brief account of the results on non-planar distortions around the nitrogen atom in a peptide unit as studied by NMR in liquid crystal solvents is given. The studies are confined to simple model compounds namely, formamide, N-methyl formamide and its 13C and 15N isotopically enriched analogues and N-methyl acetamide. Under the assumption of reasonable geometry and the neglect of the influences of molecular vibrations, it is observed that the non-planar distortions around the nitrogen atom are nearly 10 degree +/- 5 degree.
Description: Restricted Access.
URI: http://hdl.handle.net/2289/3219
ISSN: 0970-4140
Copyright: 1977 The Indian Institute of Science
Appears in Collections:Research Papers (SCM)

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