4-(2-nitrobenzenesulfonamido)pyridinium trifluoroacetate

In the title compound, C11H10N3O4S+ center dot C2F3O2-, the dihedral angle between the benzene ring and the pyridinium ring is 88.7 (4)degrees. In the crystal structure, a network of N-H center dot center dot center dot O, C-H center dot center dot center dot O and C-H center dot center dot center dot F hydrogen bonds links the constituent ions. One O atom of the nitro group is disordered over two positions, with site-occupancy factors of 0.57 (2) and 0.43 (2).