2-[Tris(pyridin-2-yl)meth­yl]pyridinium trans-bis­(aceto­nitrile)­tetra­chlorido­ruthenate(III) aceto­nitrile monosolvate

The asymmetric unit of the title compound, [(C5H4N)3C(C5H5N)][RuCl4(CH3CN)2]·CH3CN, contains one 2-[tris­(pyridin-2-yl)meth­yl]pyridinium cation, one trans-bis­(aceto­nitrile)­tetra­chlorido­ruthenate(III) anion and one aceto­nitrile solvent mol­ecule. The RuIII ion is coordinated by four Cl− anions in the equatorial plane and by two aceto­nitrile ligands in the axial positions, forming a distorted octa­hedral geometry. The cation, the monoprotonated species of tetra­kis­(pyridin-2-yl)methane, forms an intra­molecular N—H⋯N hydrogen bond between the pyridinium ring and one of the pyridine rings. The complex anions are linked to each other via C—H⋯Cl hydrogen bonds, forming an undulating sheet parallel to the ac plane. A C—H⋯N hydrogen bond between the cation and the anion is also observed. The solvate aceto­nitrile mol­ecule forms C—H⋯N and C—H⋯Cl hydrogen bonds, respectively, with the cation and the anion.