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Structural studies of two-coordinate complexes of tris(2-methoxyphenyl)phosphine and tris(4-methoxyphenyl)phosphine with gold(I) halides

Bott, Raymond C., Healy, Peter C., & Smith, Graham (2007) Structural studies of two-coordinate complexes of tris(2-methoxyphenyl)phosphine and tris(4-methoxyphenyl)phosphine with gold(I) halides. Polyhedron, 26(12), pp. 2803-2809.

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Abstract

A series of five gold(I) halide complexes with the two isomeric methoxy-substituted triarylphosphines, tris(2-methoxyphenyl)phosphine [P(oanis)3], [AuP(oanis)3 X] [for X = Cl, , (1); X = Br (2) and X = I, (3)] and tris(4-methoxyphenyl)phosphine [P(panis)3], [AuP(panis)3 X] {for X = Br (4) and X = I (5)] have been determined and characterized by single crystal X-ray diffraction and solution 31P{1H} NMR spectroscopy. The structure determinations confirm the expected presence of linear two-coordination about the gold centres in all five complexes with bond distance and angle data typical of this type of compound [Au-P, 2.239(2)-2.259(3)Ang.; Au-Cl, 2.294(2)Ang.; Au-Br, 2.385(2)-2.402(2)Ang.; Au-I, 2.546(1)-2.554(1)Ang.; P-Au-X, 175.3(1)-180deg.]. All analogues except the iodo complex 5 crystallize with one complex molecule in the crystallographic asymmetric unit. The bromo and iodo complexes 2 and 3 constitute a trigonal isomorphous set while the bromo complex 4 is also isomorphous with the previously determined chloro complex [AuP(panis)3 Cl]. The 2-methoxy analogues are stabilized by significant methoxy-O...Au interactions.

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ID Code: 8793
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see hypertext link) or contact the author. Author contact details: g.smith@qut.edu.au
Keywords: gold(I) complexes, triarylphosphines
DOI: 10.1016/j.poly.2007.01.014
ISSN: 0277-5387
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200) > Transition Metal Chemistry (030207)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2007 Elsevier
Deposited On: 26 Jul 2007
Last Modified: 01 Mar 2012 13:56

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