2-(1H-Tetra-zol-1-yl)acetic acid monohydrate.
The crystal structure of the title compound, C(3)H(4)N(4)O(2)·H(2)O, exhibits O-H⋯O and O-H⋯N hydrogen bonds, which lead to the formation of a two-dimensional network parallel to the bc plane. The dihedral angle between the ring and the carboxylic acid group is 84.6 (14)°.
Ordered Matter Science Research Center, College of Chemistry and Chemical, Engineering, Southeast University, Nanjing 211189,  People's Republic of China.
Wen-Xiang
WX
Wang