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The structure of phosphacymantrene

Khetrapal, CL and Kunwart, AC and Mathey, F (1979) The structure of phosphacymantrene. In: Journal of Organometallic Chemistry, 181 (2). pp. 349-353.

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Official URL: http://dx.doi.org/10.1016/S0022-328X(00)82827-2

Abstract

Proton NMR spectra of phosphacymantrene (π-phospholyl manganese tricarbonyl) orientated in the nematic phases of liquid crystals have been investigated. The derived H-H and H-P direct dipolar coupling constants have been used to determine the relative proton-proton and proton-phosphorus distances. A comparison of the geometrical data of various 5-membered aromatic heterocycles shows that the relative distances between the protons closest to the heteroatom increase with the van der Waals radius of the heteroatom. The results suggest that NMR spectroscopy of orientated molecules can be used to determine van der Waals radii.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Chemical Sciences > NMR Research Centre (Formerly SIF)
Date Deposited: 27 Dec 2010 12:09
Last Modified: 27 Dec 2010 12:09
URI: http://eprints.iisc.ernet.in/id/eprint/33933

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