Bis[μ-2,2′-dimethyl-1,1′-(oxydiethylene)bis(1H-benzimidazole)-κ2N3:N3′]bis[bis(4-methoxybenzoato-κ2O,O′)cadmium(II)

Dian-Ying Zhao

doi:10.1107/s1600536810009505

Abstract

The title complex, [Cd2(C8H7O3)4(C20H22N4O)2], forms a dimer of the paddle-wheel type, located on a crystallographic inversion centre. The CdII ion is hexacoordinated by four carboxylate O atoms [Cd⋯O = 2.280 (2)–2.404 (2) Å] from two chelating 4-methoxybenzoate anions, and two N atoms [Cd⋯N = 2.313 (2) and 2.332 (2) Å] from one chelating 2,2′-dimethyl-3,3′-(oxydiethylene)bis(1H-benzimidazole) ligand. In the crystal, molecules are linked by a weak intermolecular C—H⋯O hydrogen bond and an intermolecular C—H⋯π interaction.

Highlights

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: LX2137)
The CdII ion is hexacoordinated by four carboxylate O atoms [Cd O = 2.280 (2)–2.404 (2) Å] from two chelating 4-methoxybenzoate anions, and two N atoms
Cg is the centroid of the C10–C15 benzene ring

Summary

Oxford Diffraction Gemini R Ultra diffractometer

R factor = 0.034; wR factor = 0.051; data-to-parameter ratio = 17.4. The title complex, [Cd2(C8H7O3)4(C20H22N4O)2], forms a dimer of the paddle-wheel type, located on a crystallographic inversion centre. The CdII ion is hexacoordinated by four carboxylate O atoms [Cd O = 2.280 (2)–2.404 (2) Å] from two chelating 4-methoxybenzoate anions, and two N atoms [Cd N = 2.313 (2) and 2.332 (2) Å] from one chelating 2,20 dimethyl-3,30 -(oxydiethylene)bis(1H-benzimidazole) ligand. C—H O hydrogen bond and an intermolecular C—H interaction

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