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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/2619

Title: Structure and conformation of N, p-chlorophenylmaleimide in a nematic solvent by proton magnetic resonance
Authors: Khetrapal, C.L.
Kunwar, A.C.
Saupe, A.
Issue Date: 1977
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals, 1977, Vol.40, p193-197
Abstract: PMR studies of N, p-chlorophenylmaleimide in a nematic solvent have been undertaken. The structural and the conformational informations are derived. The distance-ratios of the phenyl protons show significant distortions from corresponding values in benzene. The data indicate that the molecule has a twisted conformation with C2-symmetry and that an exchange between energetically equivalent conformations takes place. Assuming a rigid conformation the angle b.thetas between phenyl and maleimide moieties is estimated to be 54.5°C. The data can also be interpreted by an exchange between planar (b.thetas = 0,180) and perpendicular (b.thetas = ±90) conformations. This possibility is discarded on the basis of theoretical considerations of the stability of conformations.
Description: Restricted Access.
URI: http://hdl.handle.net/2289/2619
ISSN: 1058-725X
Alternative Location: http://dx.doi.org/10.1080/15421407708084482
Copyright: 1977 OPA (Overseas Publishers Association) N.V.
Appears in Collections:Research Papers (SCM)

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