In the title mol-ecule, C(9)H(8)N(4)O(2)S, the dihedral angle between the thia-diazole and benzene rings is 73.92 (8)° and the thia-diazole group S atom is orientated towards the benzene ring, the central S-C-C-C torsion angle being 45.44 (18)°. In the crystal, supra-molecular tapes mediated by N-H⋯N hydrogen bonds and comprising alternating eight-membered {⋯HNCN}(2) and 10-membered {⋯HNH⋯NN}(2...

The crystal structures of two (oxo-thia-zolidin-2-yl-idene)acetamides, namely (Z)-2-[2-(morpholin-4-yl)-2-oxo-ethyl-idene]thia-zolidin-4-one, C9H12N2O3S, (I), and (Z)-N-(4-meth-oxy-phen-yl)-2-(4-oxo-thia-zolidin-2-yl-idene)acetamide, C12H12N2O3S, (II), are described and compared with a related structure. The Z conformation was observed for both the compounds. In (I), the morpholin-4-yl ring has...

In the title compound, C(15)H(14)Cl(2)N(2)OS, the piperidine ring adopts a chair conformation. The dihedral angle between the thia-zolidine ring and the dichloro-benzene ring is 9.30 (4)°; this near coplanar conformation is stabilized by the formation of an intra-molecular C-H⋯S hydrogen bond, which generates an S(6) ring. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, forming [...

The asymmetric unit of the title compound, C(10)H(9)ClN(4)S, common name thia-cloprid, comprises two mol-ecules. In both mol-ecules, the thia-zolidine rings are almost planar (with r.m.s. deviations of 0.016 and 0.065 Å) and form dihedral angles of 73.36 (6) and 70.25 (8)° with the 2-chloro-pyridine rings. In the crystal, inter-molecular C-H⋯N hydrogen bonds links the mol-ecules into chains pro...

In the title compound, C(17)H(11)N(5)S(2), the dihedral angles formed between the triazole ring and the benzene ring and the 1,3-benzothia-zole ring system are 8.67 (8) and 13.90 (9)°, respectively. The conformation of the triazolo-thia-diazin-3-yl fused ring system is a twisted half-chair. Overall, the mol-ecule adopts a flattened shape. Supra-molecular helical chains along the a axis sustaine...

In the title compound, C(10)H(8)N(4)OS, the dihedral angle between the pyridine and thia-zolidine rings is 52.5 (5)°. Inter-molecular C-H⋯N inter-actions help to stabilize the crystal structure.

The asymmetric unit of the title compound, C(20)H(18)ClN(5)O(3)S, contains two independent mol-ecules with significantly different conformations of the heterocyclic thia-zine rings. In both mol-ecules, the thia-zine rings adopt half-chair conformations, with the S atoms displaced by 0.382 (3) and 0.533 (3) Å and N atoms -0.351 and -0.275 Å, respectively, from the planes formed by the remaining ...

In the title compound, C17H17N3O3S, the cyclo-pentane ring is disordered over two sets of sites with an occupancy ratio of 0.775 (8):0.225 (8) for the affected atoms. The thia-zolidinyl ring is planar (r.m.s. deviation = 0.024 Å) and forms a dihedral angle of 65.13 (8)° with the attached phenyl ring. The mol-ecular packing is stabilized by C-H⋯O and C-H⋯π inter-actions, forming a three-dimensio...

In the title compound, C(11)H(11)NO(4)S·H(2)O, the five-membered thia-zolidine ring is nearly planar, with a maximum deviation of 0.010 (2) Å. The dihedral angle between the thia-zolidine and benzene rings is 49.16 (9)°. Inter-molecular O-H⋯O and N-H⋯O hydrogen bonding is present in the crystal structure.