The crystal and molecular structure of a reentrant nematogen: 4-cyanophenyl-3-methyl-4'-(4"-n-undecyloxy cinnamoyloxy) benzoate(11 CPMCB)

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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.
URI:	http://hdl.handle.net/2289/2807
ISSN:	1058-725X
Alternative Location:	http://dx.doi.org/10.1080/00268948308073481
Copyright:	1983 OPA (Overseas Publishers Association) N.V.
Appears in Collections:	Research Papers (SCM)

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