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Bis[2-(pyrrolidin-2-yl)-1H-benzimidazole-?N,N]copper(II) dinitrate dihydrate.

ABSTRACT: In the title compound, [Cu(C(11)H(13)N(3))(2)](NO(3))(2)·2H(2)O, synthesized by hydro-thermal reaction of Cu(NO(3))(2) and racemic 2-(pyrrolidin-2-yl)-1H-1,3-benzimidazole, the Cu(II) atom lies on an inversion centre. The distorted octa-hedral Cu(II) environment contains two planar trans-related N,N-chelating 2-(pyrrolidin-2-yl)-1H-1,3-benzimidazole ligands in the equatorial plane and two monodentate nitrate anions, which are in weak inter-action with the Cu atom, in the axial positions. The two benzimidazole ligands have opposite configurations (R/S and S/R) and compound is a meso complex. In the crystal, N-H?O and O-H?O hydrogen bonds generate an infinite three-dimensional network. One methylene group of the pyrrolidine ring is disordered over two position with a 0.56?(3):0.44?(3) occupancy.

SUBMITTER: Dai J

PROVIDER: S-EPMC2969581 | biostudies-literature | 2009 May

REPOSITORIES: biostudies-literature

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Bis[2-(pyrrolidin-2-yl)-1H-benzimidazole-κN,N]copper(II) dinitrate dihydrate.

Dai Jing J

Acta crystallographica. Section E, Structure reports online 20090520 Pt 6

In the title compound, [Cu(C(11)H(13)N(3))(2)](NO(3))(2)·2H(2)O, synthesized by hydro-thermal reaction of Cu(NO(3))(2) and racemic 2-(pyrrolidin-2-yl)-1H-1,3-benzimidazole, the Cu(II) atom lies on an inversion centre. The distorted octa-hedral Cu(II) environment contains two planar trans-related N,N-chelating 2-(pyrrolidin-2-yl)-1H-1,3-benzimidazole ligands in the equatorial plane and two monodentate nitrate anions, which are in weak inter-action with the Cu atom, in the axial positions. The two ...[more]

PMID: 21583023

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