Synthesis, Properties, and Crystal Structure of Binuclear Nickel(II) and Palladium(II) Complexes of Tridentate Thiolic Ligands with NNS-Donor Set

Nickel(II) and palladium(II) complexes with tridentate thiolic ligands of the NNS-donor set have been prepared and characterized on the basis of elemental analyses, IR and electronic spectra, molar conductances, and magnetic susceptibilities. The crystal structure of the nickel(II) perchlorate of 3-[2-(2-pyridyl)ethylamino]-1-propanethiol was determined by single-crystal X-ray diffraction method. The structure consists of thiolatebridged binuclear units. Each metal ion is coordinated by the amino nitrogen, pyridine nitrogen, and two bridging sulfur atoms, forming an essentially planar coordination unit, and the two N2S2 planes are connected at the S1–S2 edge with a dihedral angle of 136.1°.

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