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NMR Investigations on Di- and Tri-Azanaphthalenes Oriented in Liquid Crystals

Arumugam, S and Kunwar, AC and Khetrapal, CL (1984) NMR Investigations on Di- and Tri-Azanaphthalenes Oriented in Liquid Crystals. In: Molecular Crystals and Liquid Crystals, 109 (2-4). pp. 263-270.

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Proton NMR spectra of 1,3-diazanaphthalene and 1,2,4-triazanaphthalene have been investigated in the nematic phase of three liquid crystals. The spectral analysis provided direct dipole-dipole couplings which have been used to derive the molecular structure. Geometry of the phenyl ring in both the molecules deviates from the regular hexagonal structure. Signs of the order parameter of the largest magnitude are opposite in liquid crystals with positive diamagetic anisotropies.

Item Type: Journal Article
Publication: Molecular Crystals and Liquid Crystals
Publisher: Gordon Breach Sci Publ Ltd
Additional Information: Copyright for this article belongs to Gordon Breach Sci Publ Ltd.
Department/Centre: Division of Chemical Sciences > NMR Research Centre (Formerly Sophisticated Instruments Facility)
Date Deposited: 06 Feb 2010 07:33
Last Modified: 09 Oct 2018 15:44
URI: http://eprints.iisc.ac.in/id/eprint/20327

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