Research Article: Tetra-μ3-iodido-tetra­kis­{[ethyl 2-(1H-benzimidazol-1-yl)acetate-κN3]copper(I)}

Date Published: June 01, 2012

Publisher: International Union of Crystallography

Author(s): Lili Yang, Zhengyi Zhang.


The complex mol­ecule of the tetra­nuclear cubane-type title compound, [Cu4I4(C11H12N2O2)4], has crystallographically imposed fourfold inversion symmetry. The CuI ions are coordinated in a distorted tetra­hedral geometry by an N atom of a benzimidazole ring system and three μ3-iodide ions, forming a Cu4I4 core. In the crystal, complex mol­ecules are connected into a three-dimensional network by C—H⋯O hydrogen bonds involving H and O atoms of adjacent eth­oxy­carbonyl groups.

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For potential applications in physiological and pharmacological fields of benzimidazoyl derivatives or complexes based on the benzimidazoyl unit, see: Ramla et al. (2007 ▶); Barreca et al. (2007 ▶); Cetinkaya et al. (1999 ▶); Snyderwine et al. (1997 ▶); Skog & Solyakov (2002 ▶); Garner et al. (1999 ▶). For applications of copper complexes in biology or medicine, see: Sorrell 1989 ▶. For related structures, see: Sun et al. (2011 ▶); Liu et al. (2011 ▶); Toth et al. (1987 ▶).




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