Dipotassium disulfanilamidate trihydrate

Abstract

The asymmetric unit of the title compound, 2K+·2C6H7N2O2S−·3H2O, consists of two potassium cations located on mirror planes, one sulfanilamidate anion in a general position and one and a half molecules of water, one of which is also located on a mirror plane. One potassium cation is seven-coordinated by six sulfonyl O atoms and one water molecule, whereas the other is surrounded by six water O atoms and two sulfonyl O atoms. In the crystal structure, the components are connected into polymeric sheets in the bc plane. The two-dimensional structure is consolidated by N—H...O, O—H...O, O—H...N and C—H...π interactions. The layers are further linked into a three-dimensional network via N—H...O, N—H...N and O—H...N hydrogen bonds.