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Acta Cryst. (2012). E68, m1368
[ doi:10.1107/S1600536812042456 ]

Potassium N-bromo-2,4-dichlorobenzenesulfonamidate sesquihydrate

B. T. Gowda, S. Foro and H. S. Spandana

Abstract: The asymmetric unit of the title salt, K+·C6H3BrCl2NO2S-·1.5H2O, contains one K+ cation, one N-bromo-2,4-dichlorobenzenesulfonamidate anion, one water molecule in general position and one water molecule located on a twofold rotation axis. The K+ cation is hepta-coordinated by three water O atoms and four sulfonyl O atoms from three symmetry-related N-bromo-2,4-dichlorobenzenesulfonamide anions. The S=N distance of 1.575 (3) Å is consistent with that of a double bond. In the crystal, the anions are linked by O-H...Br and O-H...N hydrogen bonds into layers parallel to the ac plane.

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