Acta Crystallographica Section E (May 2012)
2-(5-Amino-2H-tetrazol-2-yl)acetic acid
Abstract
In the title molecule, C3H5N5O2, the tetrazole ring and carboxyl group form a dihedral angle of 82.25 (14)°. In the crystal, adjacent molecules are linked through O—H...N, N—H...O and N—H...N hydrogen bonds into layers parallel to the bc plane.