| Summary: | The title salt, [Ni(C3H2NS2)(C12H8N2)2]PF6·1.5C4H8O2, was the unexpected product on making an attempt to prepare an [Ni(2-mercaptothiazolate)(1,10-phenanthroline)]+ complex by reaction of [NiCl2(1,10-phenanthroline)] with 2-mercaptothiazolate. In the resulting complex, the 2-mercaptothiazolate anion acts as a chelating ligand, which coordinates to the NiII ion with the thiazolyl N and thiolate S atoms. In the crystal, π–π stacking interactions between the coordinating 1,10-phenanthroline molecules of adjacent complexes result in a zigzag chain running parallel to the c axis. Weak C—H...X (X = O, F) hydrogen-bonding interactions between the chains and 1,4-dioxane solvent molecules and PF6− counter-anions lead to the formation of sheets parallel to the ac plane.
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