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Structural studies of unusually disordered diorganoplatinum(IV) complexes containing the cations [PtIR2(L-N,N’,N”)]+, where the ligands L are facially coordinated

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Canty, AJ and Honeyman, RT and Skelton, BW and White, AH (1992) Structural studies of unusually disordered diorganoplatinum(IV) complexes containing the cations [PtIR2(L-N,N’,N”)]+, where the ligands L are facially coordinated. Journal of Organometallic Chemistry, 424 (3). pp. 381-390. ISSN 0022-328X

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Abstract

The reaction of [PtPh2(SEt2)]2 with tris(pyrazol-1-yl)methane [(pz)3CH] and iodine in dichloromethane gives the platinum(lV) complex [PtIPh2{(pz)3CH-N,N’,N”}]2[I][I3] (1). Complex 1, and related complexes of the facially coordinated tridentate ligands (pz)2(mim)CH (mim = N-methylimidazol-2-yl) and (pz)2(py)CH (py = pyridin-2-yl) have octahedral geometry for platinum(IV), “PtIC2N3“, and exhibit unusual disorder in the solid state. Complex 1 has two cations in the asymmetric unit, with one cation well ordered and the other showing disorder between the coordinated iodide and one phenyl group position. The complexes [PtIMe2{(pz)2(mim)CH-N,N’,N”}]I (2a) and [PtIMe2{(pz)2(py)CH-N,N’,N”}]I (2b) have coordinated iodide disordered with both methyl groups; in 2a iodine is predominantly trans to the pz groups, and in 2b iodine is predominantly trans to the py group.

Item Type: Article
Journal or Publication Title: Journal of Organometallic Chemistry
Page Range: pp. 381-390
ISSN: 0022-328X
Identification Number - DOI: 10.1016/0022-328X(92)80012-M
Additional Information: The definitive version is available at http://www.sciencedirect.com
Date Deposited: 05 Feb 2008 21:31
Last Modified: 18 Nov 2014 03:27
URI: http://eprints.utas.edu.au/id/eprint/2958
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