Research Article: 5-Meth­oxy-1,3,4-thia­diazol-2(3H)-one

Date Published: February 01, 2012

Publisher: International Union of Crystallography

Author(s): Wei-Yi Zhang, Jie Liu, Yan-Ju Liu.


The three mol­ecules in the asymmetric unit of the title compound, C3H4N2O2S, are connected via N—H⋯O hydrogen bonds, forming layers normal to [001]. The rings of the mol­ecules are approximately planar, with r.m.s. deviations of 0.0051 (1), 0.0044 (1) and 0.0111 (1) Å.

Partial Text

For background to the applications of the title compound, see: Collier (2004 ▶). For the synthesis, see: Zhu et al. (2011 ▶). For bond-length data, see: Allen et al. (1987 ▶).