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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

The chloro and bromo complexes of iridium(III) and iridium(IV). II. Structural chemistry of IrIII complexes

DA Rankin, BR Penfold and JE Fergusson

Australian Journal of Chemistry 36(5) 871 - 883
Published: 1983

Abstract

The single-crystal X-ray structures of the tervalent iridium complexes K3 [IrCl6] [P1, a 1263.1, b 7029, c 702.7 pm, Ir-Cl(mean) 236.8 pm], K3 [IrCl6].H2O [C1 (1), a 1243.6, b 1568.2, c 1207.2 pm, Ir-Cl (mean) 236.8 pm], (NH4)3 [IrCl6].H2O [Cs(m), a 1222.9, b 701.1 c, 1408.8 pm, Ir-Cl (mean) 236.7 pm] and Rb3 [IrBr,].H2O [Pnma, a 1276.8, b 739.1, c 1498.2pm, Ir-Br(mean) 250.8 pm] have been determined. From preliminary single-crystal studies, and X-ray powder diffraction, the structures of a number of other hexachloro and hexabromo complexes of IrIII have been determined. In all cases the halogeno anions are distorted as a consequence of the non-spherical packing of the cations and in some cases water molecule around the anions.

https://doi.org/10.1071/CH9830871

© CSIRO 1983

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