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Rac-Dichlorido[3-eth-oxy-3-(1-ethyl-1H-benzimidazol-2-yl)-2,3-dihydro-1H-pyrrolo-[1,2-a]benzimidazole]-copper(II).

ABSTRACT: 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.

SUBMITTER: Stibrany RT 

PROVIDER: S-EPMC3569191 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature

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rac-Dichlorido[3-eth-oxy-3-(1-ethyl-1H-benzimidazol-2-yl)-2,3-dihydro-1H-pyrrolo-[1,2-a]benzimidazole]-copper(II).

Stibrany Robert T RT   Potenza Joseph A JA  

Acta crystallographica. Section E, Structure reports online 20130109 Pt 2

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  ...[more]

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