Acta Cryst. (2007). E63, m2065-m2066  [ doi:10.1107/S1600536807031868 ]

Bis(-diethyldithiocarbamato)bis[(⁵-pentamethylcyclopentadienyl)iridium(III)] bis(perchlorate)

M. Scharwitz, I. M. Oppel and W. S. Sheldrick

Abstract: Cations of the dinuclear title compound, [Ir₂(C₁₀H₁₅)₂(C₅H₁₀NS₂)₂](ClO₄)₂, contain two half-sandwich (⁵-C₅Me₅)Ir^III fragments and two tridentate diethyldithiocarbamate ligands, whose S atoms coordinate individual Ir^III atoms in a ²S,S'-fashion to afford four-membered chelate rings. The Ir^III atoms are linked by the thiocarbamate ligands in a -S bridging manner in a central (IrS)₂ ring. The (⁵-C₅Me₅)Ir^III fragments adopt a cis arrangement relative to this ring and exhibit Ir-C distances in the range 2.167 (5)-2.206 (5) Å. Ir-S bond lengths to the bridging S atoms lie between 2.3897 (11) and 2.4098 (12) Å, and are slightly longer than those of 2.3842 (12) and 2.3832 (12) Å observed for the monodentate S atoms. The ions are linked by C-HO hydrogen bonds.

Online 5 July 2007

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