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Molecular structure and the indirect spin-spin coupling constants in azulene - a proton NMR study in the nematic phase

Arumugam, S and Kunwar, AC and Khetrapal, CL (1981) Molecular structure and the indirect spin-spin coupling constants in azulene - a proton NMR study in the nematic phase. In: Organic Magnetic Resonance, 17 (4). pp. 257-259.

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Abstract

The proton NMR spectrum of azulene has been investigated in the nematic phase of a liquid crystal. Spectral analysis provided the direct dipole-dipole coupling constants which were used to derive the structural information. It was found that the relative proton-proton distances in the 7- and 5-membered rings deviate significantly from those for regular heptagons and pentagons. Indirect spin-spin couplings were also obtained. Many of the inter-ring and long-range couplings have magnitudes between 0.2-0.8 Hz.

Item Type: Journal Article
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Additional Information: The copyright belongs to Heyden & Son Ltd.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 24 Nov 2005
Last Modified: 27 Aug 2008 11:33
URI: http://eprints.iisc.ernet.in/id/eprint/4056

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