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Redox Properties of : the Synthesis of Halide-bridged Mixed-metal Mixed-valence Complexes and the Crystal and Molecular Structure of

DOI: 10.1039/DT9810001515

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Journal of the Chemical Society, Dalton Transactions p. 1515 - 1519 (1981)

Update date:2022-08-06

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Authors:

Briant, Clive E.Briant, Clive E.

Rowland, Keith A.Rowland, Keith A.

Webber, Craig T.Webber, Craig T.

Mingos, D. Michael P.Mingos, D. Michael P.

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Article abstract of DOI:10.1039/DT9810001515

The potential of as a one-electron oxidising agent in organometallic chemistry has been evaluated.In complementary redox reactions with metallocenes, salts of the general from (1) are formed .In non-complementary reactions with platinum(0) and palladium(II) complexes some interesting mixed-metal mixed-valence complexes of the type <(Ph3P)2Pt(μ-Cl)2IrCl2(PMe2Ph)2> (2) and <(Me3As)ClPd(μ-Cl)2IrCl2(PMe2Ph)2> (3) are formed.Complex (3) has been characterised by single-crystal X-ray diffraction studies.It crystallises in the space group P21/n of monoclinic symmetry in a cell of dimensions a = 12.218(2), b = 13.187(2), c = 17.832(2) Angstroem, β = 91.80(1) deg and Z = 4, the final R and R' being 0.046 and 0.051 respectively based on full-matrix refinement of 167 variables and 4273 observations.This structural determination confirms that (3) contains an octahedral iridium(III) unit linked to a square-planar palladium fragment by means of chloride bridges.

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