Acta Cryst. (2009). E65, m1042-m1043  [ doi:10.1107/S1600536809030268 ]

Bis[-1,2-bis(1H-imidazol-1-ylmethyl)benzene-²N³:N^3']disilver(I) 3-carboxylato-4-hydroxybenzenesulfonate methanol solvate trihydrate

H.-M. Sun, Y.-C. Chi and H.-Y. Liu

Abstract: In the title compound, [Ag₂(C₁₄H₁₄N₄)₂](C₇H₄O₆S)·CH₃OH·3H₂O, the complex dication has a binuclear structure in which each Ag^I ion is two-coordinated in a slightly distorted linear coordination geometry. The two Ag^I atoms are bridged by two 1,2-bis[(1H-imidazol-1-yl)methyl]benzene (IBI) ligands, forming a 22-membered ring. In the dication, - interactions are observed between the imidazole rings with centroid-centroid distances of 3.472 (3) and 3.636 (3) Å. In the crystal, the uncoordinated water molecules, anions and methanol solvent molecules are linked into chains along the b axis by O-HO hydrogen bonds. In addition, - interactions are observed between the benzene rings of the IBI ligands, with a centroid-centroid distance of 3.776 (2) Å. The sulfonate group is disordered over two orientations with occupancies of 0.676 (12) and 0.324 (12).

Online 8 August 2009

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