(η5-Cyclo­penta­dien­yl)(propionitrile-κN)bis­(triphenyl­phosphine-κP)ruthenium(II) trifluoro­methane­sulfonate

The title compound, [Ru(C5H5)(C3H5N)(C18H15P)2]CF3SO3, forms yellow crystals with a distinctly hemimorphic habit. It contains a half-sandwich complex of ruthenium with a three-legged piano-stool geometry, with Ru—P = 2.3585 (4) and 2.3312 (4) Å, and Ru—N = 2.0422 (15) Å as the legs. The CF3SO3 − anion is anchored in the crystal lattice by C—H⋯O and C—H⋯F hydrogen bonds, with C⋯F,O distances starting at 3.125 (2) Å