The title complex, [CuCl(2)(C(21)H(22)N(4)O)], contains a bis-(benzimidazole) unit with a chiral bridgehead C atom that forms part of a tetra-hydro-pyrrole ring fused to one of the benzimidazoles. The chelate angle is 90.45 (9)° and the dihedral angle between the essentially planar benzimidazole fragments is 26.68 (9)°. The Cu(II) coordination geometry lies approximately midway between tetra-hedral and square planar. Overall, each chiral mol-ecule contains six fused rings, and a racemic mixture is formed with symmetry-related enanti-omers. In the crystal, C-H⋯π and C-H⋯Cl inter-actions link mol-ecules into a supra-molecular chain along the a-axis direction.
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| http://dx.doi.org/10.1107/S1600536812051641 | DOI Listing |
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