4-(2-Nitro-benzene-sulfonamido)pyridinium nitrate

Abstract

There are two mol-ecules in the asymmetric unit of the title compound, C11H10N3O4S+·NO3 -. All bond distances have normal values. The C - N bond distances in the sulfonamide group [1.389 (3) and 1.382 (3) Å] may indicate slight conjugation of the sulfonamide N-atom π-electrons with those of the pyridinium ring. The crystal structure is stabilized by N - H⋯O hydrogen bonds. © 2008.