6-(4-Chlorophenyl)imidazo2,1-b1,3,4thiadiazole-2-sulfonamide

The essentially planar title compound, C10H7ClN 4O2S2, features an intramolecular C - Hâ¯N hydrogen bond. The crystal strucutre is stabilized by intermolecular N - Hâ¯O hydrogen bonds formed between sulfonyl O atoms and amino groups. © 2006 International Union of Crystallography. All rights reserved.