Acta Crystallographica Section E

Structure Reports Online

Volume 70, Part 1 (January 2014)

metal-organic compounds

wm2791 scheme

Acta Cryst. (2014). E70, m23    [ doi:10.1107/S1600536813033503 ]


G. Smith

Abstract: In the title compound, [K2(C7H3Cl2O2)2(H2O)]n, the potassium salt of 2,4-di­chloro­benzoic acid, the repeating unit in the polymeric structure consists of two identical irregular KO6Cl units related by twofold rotational symmetry, linked by a bridging water mol­ecule lying on the twofold axis. The coordination polyhedron about the K+ ion comprises a carboxyl­ate O atom and a Cl-atom donor from a bidentate chelate ligand inter­action, four O-atom donors from a doubly bridging bidentate carboxyl­ate O,O'-chelate inter­action and the water mol­ecule. A two-dimensional polymeric structure lying parallel to (100) is generated through a series of conjoined cyclic bridges between K+ ions and is stabilized by water-carboxyl­ate O-H...O hydrogen-bonding inter­actions.

CCDC reference: 976400

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