Acta Cryst. (2013). C69, 1132-1135
[ doi:10.1107/S0108270113024499 ]
Synopsis: A three-dimensional polymeric potassium complex incorporating bridging water molecules and 2,4-dicarboxy-5-sulfonatobenzoate ligands forms a one-dimensional inorganic chain with cage-like K4(SO3)2 repeat units. The chains are bridged by carboxylic acid groups to form a two-dimensional layer, and these layers are further linked by carboyxlate groups and benzene rings to generate a three-dimensional framework.
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