Acta Cryst. (2003). E59, m911-m913  [ doi:10.1107/S1600536803020105 ]

-Hydroxo-bis[(4,4'-dimethyl-2,2'-bipyridine)tricarbonylrhenium(I)] perrhenate acetone hemisolvate

D. H. Gibson, M. S. Mashuta and X. Yin

Abstract: The title compound, [Re₂(OH)(C₁₂H₁₂N₂)₂(CO)₆][ReO₄]·0.5C₃H₆O, is the first crystal structure reported for a hydroxo-bridged binuclear rhenium complex containing bipyridine or substituted bipyridine ligands. The cation has distorted octahedral coordination about both rhenium centers, resulting from geometric constraints imposed by the chelating 4,4'-dimethyl-2,2'-bipyridine ligands, which are involved in an intermolecular - stacking interaction. The distance between the rhenium atoms is 4.0185  (3)  Å, with no metal-metal bond. The H atom of the bridging hydroxo ligand was directly located in the crystallographic analysis, and is hydrogen-bonded to the perrhenate. The acetone solvent molecule is disordered.

Online 18 September 2003

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