metal-organic compounds
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In the title compound, [Na(C6H3Cl2O3S)(H2O)]n, the NaI ion is pentacoordinated by three dichlorobenzenesulfonate anions and two water molecules, forming a distorted trigonal-bipyramidal geometry. The NaI ions are bridged by the sulfonate groups and the water molecules, leading to a polymeric layer structure parallel to the bc plane in which O—HO hydrogen bonds are observed.