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Pentacoordination in Group 15'onium salts. A room-temperature synthesis of an intramolecularly pentacoordinated tetraarylstibonium salt containing the new polyiodocuprate anion Cu14I18 (4-), and a structural comparison with related pentacoordinated arsonium and phosphonium cations

Record type: Article

Intramolecularly pentacoordinated tetraarylstibonium salts have been obtained at room temperature from the reactions of ortho-iodoarylimino coordination template systems with triarylstibines and copper(I) iodide in acetonitrile, the related bromo- and chloro-arenes being unreactive under these conditions. The X-ray crystal structure of one of these compounds has been determined, and found to contain, as the counter anion, a new type of poly(iodocuprate) species. The structure of the stibonium ion is compared with those of the structurally analogous arsonium and phosphonium cations, thus enabling a detailed comparison of bonding parameters for the heavier Group 15 elements.

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Citation

Allen, D. W., Gelbrich, T. and Hursthouse, M. B. (2001) Pentacoordination in Group 15'onium salts. A room-temperature synthesis of an intramolecularly pentacoordinated tetraarylstibonium salt containing the new polyiodocuprate anion Cu14I18 (4-), and a structural comparison with related pentacoordinated arsonium and phosphonium cations Inorganica Chimica Acta, 318, (1-2), pp. 31-37. (doi:10.1016/S0020-1693(01)00412-1).

More information

Published date: 18 June 2001
Keywords: crystal structures, catalysis, stibonium salts, phosphonium salts copper(i)-catalyzed template synthesis, aryl-stibonium systems, molecular-structures, complexes, bromide, iodocuprates(i), crystal

Identifiers

Local EPrints ID: 19377
URI: http://eprints.soton.ac.uk/id/eprint/19377
ISSN: 0020-1693
PURE UUID: 7fd80b84-5ea9-4c27-9242-239d66726c46

Catalogue record

Date deposited: 13 Feb 2006
Last modified: 17 Jul 2017 16:31

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Contributors

Author: D. W. Allen
Author: T. Gelbrich

University divisions


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