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Title: NMR spectra of oriented biologically important molecules. The structure of and the internal rotation in N,N'-dimethyluracil
Authors: Khetrapal, C.L.
Kunwar, A.C.
Issue Date: 1982
Publisher: American Chemical Society
Citation: Journal of Physical Chemistry, 1982, Vol. 86, p4815-4817.
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.
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Copyright: 1982 American Chemical Society
Appears in Collections:Research Papers (SCM)

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