In the monomeric title complex, [CoCl(2)(C(3)H(5)N(3)S)(2)], the Co(II) atom is tetra-coordinated by two chloride anions and two N atoms from two monodentate 2-amino-5-methyl-1,3,4-thia-diazole ligands, giving a slightly distorted tetra-hedral stereochemistry [bond angle range about Co = 105.16 (12)-112.50 (10)°]. In the complex, the dihedral angle between the 1,3,4-thia-diazole planes in the two ligands is 72.8 (1)°. There are two intra-molecular N-H⋯Cl inter-actions in the complex unit, while in the crystal, inter-molecular N-H⋯N and N-H⋯Cl hydrogen bonds link these units into a two-dimensional layered structure parallel to (011).
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