title: 5,5'-[Methyl-enebis(sulfanedi-yl)]bis-(1,3,4-thia-diazol-2-amine).
abstract: In the crystal structure of the title compound, C(5)H(6)N(6)S(4), the mol-ecules are linked by strong N-H⋯N hydrogen bonds into a two-dimensional network and an intra-molecular C-H⋯S inter-action also occurs.
authors.affiliation: Department of Chemistry and Chemical Engineering, Daqing Normal University, 163712 Daqing, Heilongjiang, People's Republic of China.
authors.forename: Fankun
authors.initials: F
authors.lastname: Meng