3-Hexyne complexes of molybdenum(II) and tungsten(II) containing 2,2' - bipyridine. X-ray crystal structure of MoI2(CO) (bipy) (η(2)-EtC2Et)


Al-Jahdali, M., Baker, P. K., Hursthouse, M. B. and Coles, S. J. (2000) 3-Hexyne complexes of molybdenum(II) and tungsten(II) containing 2,2' - bipyridine. X-ray crystal structure of MoI2(CO) (bipy) (η(2)-EtC2Et). Zeitschrift Fur Naturforschung Section B - a Journal of Chemical Sciences, 55, (11), 1095-1098.

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Original Publication URL: http://www.znaturforsch.com/sb/55b1095.pdf

Description/Abstract

Reaction of [MI2(Co)(NCMe)(η(2)-EtC2Et)(2)] (M = Mo,W) with one equivalent of 2,2'-bipyridine (bipy) in CH2Cl2 at room temperature gives either the neutral complex, [MoI2(CO)(bipy)-(η(2)-EtC2Et)] (1) or the cationic complex, [WI(CO) (bipy)(η(2)-EtC2Et)(2)]I (2). The neutral molybdenum complex 1, has been crystallographically characterised, and has a pseudo-octahedral geometry with the iodo-ligand trans to the 3-hexyne, and with the bipy, carbon monoxide and other iodo-ligand occupying the equatorial face. C-13 NMR studies show the 3-hexyne is donating four electrons to the molybdenum in 1.

Item Type: Article
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Keywords: 3-hexyne complexes, molybdenum(ii), tungsten(ii) alkyne complexes, alkylidyne ligands, metal center, ph
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 19013
Date Deposited: 18 Jan 2006
Last Modified: 27 Mar 2014 18:08
URI: http://eprints.soton.ac.uk/id/eprint/19013

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