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Macropolyhedral boron-containing cluster chemistry. Ligand-induced two-electron variations of intercluster bonding intimacy. Structures of nineteen-vertex[(eta(5)-C5Me5) HIrB18H19(PMe2Ph)] and the related carbene complex [(eta(5)-C5Me5)HIrB18H19{C(NHMe)(2)}]

Shea, S.L., Jelinek, T., Perera, S.D., Stibr, B., Thornton-Pett, M. and Kennedy, J.D. (2004) Macropolyhedral boron-containing cluster chemistry. Ligand-induced two-electron variations of intercluster bonding intimacy. Structures of nineteen-vertex[(eta(5)-C5Me5) HIrB18H19(PMe2Ph)] and the related carbene complex [(eta(5)-C5Me5)HIrB18H19{C(NHMe)(2)}]. Dalton Transactions, 10. pp. 1521-1523. ISSN 1477-9226

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Abstract

Addition of PMe2Ph to fused-cluster syn-[(η5-C5Me5)IrB18H20] 1 to give [(η5-C5Me5)HIrB18H19(PMe2Ph)] 3 entails a diminution in the degree of intimacy of the intercluster fusion, rather than retention of inter-subcluster binding intimacy and a nido → arachno conversion of the character of either of the subclusters. Reaction with MeNC gives [(η5-C5Me5)HIrB18H19{C(NHMe)2}] 4 which has a similar structure, but with the ligand now being the carbene {:C(NHMe)2}, resulting from a reductive assembly reaction involving two MeNC residues and the loss of a carbon atom.

Item Type: Article
Copyright, Publisher and Additional Information: © 2008 Royal Society of Chemistry. This is an author produced version of a paper published in Dalton Transactions. Uploaded in accordance with the publisher's self archiving policy.
Academic Units: The University of Leeds > Faculty of Maths and Physical Sciences (Leeds) > School of Chemistry (Leeds)
Depositing User: Repository Administrator York
Date Deposited: 04 Jun 2008 08:26
Last Modified: 08 Feb 2013 17:05
Published Version: http://dx.doi.org/10.1039/b404322g
Status: Published
Publisher: Royal Society of Chemistry
Refereed: Yes
Identification Number: 10.1039/b404322g
Related URLs:
URI: http://eprints.whiterose.ac.uk/id/eprint/3934

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