Acta Crystallographica Section E (Oct 2009)
2-Methanesulfonamidobenzoic acid
Abstract
In the title compound, C8H9NO4S, an intramolecular N—H...O hydrogen bond gives rise to a six-membered ring. In the crystal structure, two molecules are connected by O—H...O hydrogen bonds, forming a centrosymmetric dimer. These dimers are further connected by C—H...O hydrogen bonds.