Research Article: catena-Poly[[zinc-bis­(μ-2-sulfido-1H-benzimidazol-3-ium-5-carboxyl­ato)-κ2O:S;κ2S:O] trihydrate]

Date Published: April 01, 2011

Publisher: International Union of Crystallography

Author(s): Ya-Ping Li, Da-Jun Sun, Hu Zang, Li-Ying Han, Guan-Fang Su.


In the title compound, {[Zn(C8H5N2O2S)2]·3H2O}n, the ZnII atom, lying on a twofold rotation axis, is four-coordinated by two S atoms and two O atoms from four 2-sulfido-1H-benzimidazol-3-ium-5-carboxyl­ate (H2mbidc) ligands in a distorted tetra­hedral geometry. Two H2mbidc ligands bridge two ZnII atoms, generating a double-chain along [01]. Adjacent chains are linked by N—H⋯O and O—H⋯O hydrogen bonds, forming a three-dimensional supra­molecular network. One of the two water molecules also lies on a twofold rotation axis.

Partial Text

For coordination polymers with helical chain structures, see: Chen & Liu (2002 ▶); Cui et al. (2003 ▶); Hu et al. (2008 ▶); Ngo & Lin (2002 ▶); Xiao et al. (2007 ▶); Yan et al. (2005 ▶).




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