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Orientation and molecular structure of 1,5 and 1,8 dichloroanthraquinones by PMR in a nematic solution

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dc.contributor.authorSharma, B.B.
dc.contributor.authorSaupe, A.
dc.contributor.authorKhetrapal, C.L.
dc.contributor.authorKunwar, A.C.
dc.date.accessioned2007-05-29T10:21:05Z
dc.date.available2007-05-29T10:21:05Z
dc.date.issued1983-09
dc.descriptionRestricted Access.en
dc.description.abstractThe structures and the order parameters of 1,5 and 1,8 dichloroanthraquinones have been determined from the dipolar couplings between the protons in the nematic solutions. The results show the effect of steric interactions on the molecular structure. The aromatic rings of 1,8 dichloroanthraquinone are in different planes making an angle of 15° while 1,5 dichlo-roanthraqutnone appears to be flat. The two molecules show peculiar differences in orientation. The "in-plane" order parameters of the 1,8 derivative are about equal while the 1,5 derivative has a strongly preferred alignment axis close to the Cl, Cl internuclear axis.en
dc.format.extent213444 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.citationMolecular Crystals and Liquid Crystals, 1983, Vol.95, p359-366en
dc.identifier.issn1058-725X
dc.identifier.urihttp://hdl.handle.net/2289/2522
dc.language.isoenen
dc.publisherGordon and Breach Science Publishers.en
dc.relation.urihttp://dx.doi.org/10.1080/00268948308072475en
dc.rights1983 OPA (Overseas Publishers Association) N.V.en
dc.titleOrientation and molecular structure of 1,5 and 1,8 dichloroanthraquinones by PMR in a nematic solutionen
dc.typeArticleen

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