cis-Bis(2,2′-bipyridine-κ²N,N′)carbonyl­chloridoruthenium(II) hexa­fluorido­phosphate

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—H...F 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).