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Title: The crystal and molecular structure of a reentrant nematogen: 4-cyanophenyl-3-methyl-4'-(4"-n-undecyloxy cinnamoyloxy) benzoate(11 CPMCB)
Authors: Vani, G.V.
Issue Date: Sep-1983
Publisher: Gordon and Breach Science Publishers.
Citation: Molecular Crystals and Liquid Crystals, 1983, Vol.98, p275-284
Abstract: The crystal and molecular structure of 4-cyanophenyl-3-methyl-4'-(4"-n-undecyloxycin-namoyloxy)benzoate (11 CPMCB), C35H39O5N, has been determined at room temperature by direct methods. The compound, which exhibits a reentrant nematic phase, crystallizes in the triclinic space group PI, a = 10.368, b = 10.846, c = 16.750 Å, agr = 97.90, b.beta = 100.28, b.gamma = 118.68°, with two molecules in the unit cell. The structure has been refined to R = 0.106, using photographically observed data. The 11 CPMCB molecules pack in a well-imbricated antiparallel arrangement with their alkoxy chains fully extended. The molecular packing in the crystal is discussed with reference to the reentrant behavior of the compound.
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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