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NMR spectra of oriented biologically important molecules - The structure of and the internal rotation in N,N'-dimethyluracil

Khetrapal, CL and Kunwart, AC (1982) NMR spectra of oriented biologically important molecules - The structure of and the internal rotation in N,N'-dimethyluracil. In: Journal of Physical Chemistry B, The, 86 (24). pp. 4815-7817.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/j100221a032

Abstract

From the proton NMR spectra of Nfl-dimethyluracil oriented in two different nematic solvents, the internal rotation of the methyl groups about the N-C bonds is studied. It has been observed that the preferred conformation of the methyl group having one carbonyl in the vicinity is the one where a C-H bond is in the ring plane pointing toward the carbonyl group. The results are not sensitive to the mode of rotation of the other methyl group. These data are interpreted in terms of the bond polarizations.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Chemical Society.
Department/Centre: Division of Chemical Sciences > NMR Research Centre (Formerly SIF)
Date Deposited: 30 Dec 2009 07:38
Last Modified: 19 Sep 2010 05:31
URI: http://eprints.iisc.ernet.in/id/eprint/20184

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