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Acta Cryst. (2012). E68, m1446-m1447
[ doi:10.1107/S1600536812044674 ]

([eta]6-Benzene)dichlorido(dicyclohexylphenylphosphane)ruthenium(II) benzene sesquisolvate

A. Muller and W. L. Davis

Abstract: The asymmetric unit of the title compound, [RuCl2(C6H6)(C18H27P)]·1.5C6H6, contains one molecule of the RuII complex and one and a half solvent molecules as one of these is located about a centre of inversion. The RuII atom has a classical three-legged piano-stool environment being coordinated by an [eta]6-benzene ligand [Ru-centroid = 1.6964 (6) Å], two chloride ligands with an average Ru-Cl bond length of 2.4138 (3) Å and a dicyclohexylphenylphosphane ligand [Ru-P = 2.3786 (3) Å]. The effective cone angle for the phosphane was calculated to be 158°. In the crystal, weak C-H...Cl hydrogen bonds link the RuII complexes into centrosymmetric dimers. The crystal packing exhibits intra- and intermolecular C-H...[pi] interactions resulting in a zigzag pattern in the [101] direction.

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