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Bis[?-3-(1H-benzimidazol-2-yl)benzoato]dicopper(I).

ABSTRACT: The dimeric title complex, [Cu(2)(C(14)H(9)N(2)O(2))(2)], resides on a center of symmetry. In the crystal, the mol-ecules are packed via ?-? stacking inter-actions alternating between imidazole and benzene rings [mean inter-planar distances = 3.754?(3) and 3.624?(3)?Å]. An inter-molecular N-H?O hydrogen bond links the dimers together. The two-coordinate Cu(I) atom displays an O-Cu-N bond angle of 176.3?(2)°. The Cu?Cu distance within the dimer is 5.100?(2)?Å.

SUBMITTER: Lei KW

PROVIDER: S-EPMC3011389 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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Bis[μ-3-(1H-benzimidazol-2-yl)benzoato]dicopper(I).

Lei Ke-Wei KW Xia Dong-Guo DG Li Jie J Su Zheng-Yu ZY

Acta crystallographica. Section E, Structure reports online 20101117 Pt 12

The dimeric title complex, [Cu(2)(C(14)H(9)N(2)O(2))(2)], resides on a center of symmetry. In the crystal, the mol-ecules are packed via π-π stacking inter-actions alternating between imidazole and benzene rings [mean inter-planar distances = 3.754 (3) and 3.624 (3) Å]. An inter-molecular N-H⋯O hydrogen bond links the dimers together. The two-coordinate Cu(I) atom displays an O-Cu-N bond angle of 176.3 (2)°. The Cu⋯Cu distance within the dimer is 5.100 (2) Å. ...[more]

PMID: 21589267

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Project description:The asymmetric unit of the title compound, C(20)H(14)N(4)·CH(4)O, contains two independent half-mol-ecules, each located on an inversion centre, and a methanol solvent mol-ecule. The benzimidazolyl groups form different dihedral angles [24.0?(1) and 11.6?(1)°] with the plane of the central benzene ring in the two mol-ecules. In the crystal, a two-dimensional network is formed through N-H? N, N-H?O and O-H?N hydrogen-bonding inter-actions between the benzimidazole units and methanol solvent mol-ecules. ?-? stacking inter-actions also occur between the benzimidazole rings of adjacent mol-ecules, with centroid-centroid distances of 3.720?(14)?Å and inter-planar distances of 3.53?(1)?Å .

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