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The asymmetric unit of the title compound, [Zn(C4H8NOS2)2(C18H12N6)]·1.5C4H8O2, comprises a Zn-containing mol­ecule and one and a half dioxane mol­ecules as one of the solvent mol­ecules is located about a crystallographic inversion centre. The approximately square-pyramidal N3S2 donor set is defined by two monodentate dithio­carbamate ligands and two pyridine and one triazine N atom from the tridentate triazine ligand. Mol­ecules are connected into a supra­molecular array via O—H...S and O—H...N hydrogen bonds. These stack along the b axis and the solvent mol­ecules reside in the channels thus formed.

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Two pairs of independent cations and anions comprise the asymmetric unit of the title salt, C6H16NO+·C9H8N3O2S2. The cations are virtually superimposable and each exhibits a gauche disposition of the hy­droxy O and ammonium N atoms [the O—C—C—N torsion angles are 55.5 (3) and 57.5 (3)°]. Significant differences are seen in the mol­ecular structures of the anions as seen in the S—N—C—S [1.1 (3) and 32.9 (3)°] and C—S—N—C [−69.7 (2) and 91.4 (2)°] torsion angles. Despite the variations in conformation, intra­molecular hypervalent S...O inter­actions persist in each anion [3.078 (2) and 2.8730 (19) Å]. In the crystal, supra­molecular double layers are formed in the bc plane, being sustained by O—H...N, N—H...O and N—H...N hydrogen bonding. These are connected along the a axis via C—H...O inter­actions.
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