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Title: Crystal and molecular structure of nematogenic 4'-n-butyl-4-cyanobiphenyl (4CB)
Authors: Vani, G.V.
Issue Date: Oct-1983
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals, 1983, Vol.99, p21-27
Abstract: The crystal and molecular structure of 4'-n-butyl-4-cyanobiphenyl (4CB), C17H17N, has been determined at room temperature. The compound, which exhibits a monotropic nematic phase, crystallizes in the monoclinic space group P21,/c, a = 12.198, b = 9.204, c = 14.746 Å, b.beta = 123.38°, with four molecules in the unit cell. The structure has been refined to R = 0.136 using photographically observed data. The terminal part of the butyl chain is disordered. The 4CB molecules pack in a sheet-like arrangement, with nearest neighbors oriented antiparallel to each other. The angle between the phenyl rings is 40°30'.
Description: Restricted Access. Paper presented at the 9th international conference on liquid crystals held at Bangalore in 1982.
ISSN: 1058-725X
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Copyright: 1983 OPA (Overseas Publishers Association) N.V.
Appears in Collections:Research Papers (SCM)

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