Acta Cryst. (2013). E69, m1-m2
[ doi:10.1107/S1600536812048246 ]

cis-Bis(2,2'-bipyridine-²N,N')carbonylchloridoruthenium(II) hexafluoridophosphate

T. Takase, B. Mun and D. Oyama

Abstract: In the title compound, [RuCl(C₁₀H₈N₂)₂(CO)]PF₆, the Ru^II atom is coordinated in a distorted octahedral geometry by four N atoms of the bipyridine ligands, a carbonyl C atom and a chloride ion. The carbonyl and chloride ligands in the cation adopt a mutually cis arrangement and these are disordered over two sets of sites with site occupancies of 0.721 (6) and 0.279 (6). The Ru-N bond length [2.117 (2) Å] trans to the carbonyl ligand is slightly longer than the average of the other Ru-N bond lengths (2.08 Å), which can be explained by the expected trans influence of the carbonyl group. In the crystal, weak C-HF interactions are observed between the complex cation and the PF₆^- anion, leading to the formation of a three-dimensional supramolecular structure. The crystal studied was an inversion twin with twin fractions of 0.78 (4) and 0.22 (4).

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