New (o-phenylenediaminglyoximato)-(o-phenylenediaminglyoxime)zinc(II) chloride. Synthesis and crystal structure

The interaction of dichloroglyoxime and o-phenylenediamine with zinc(II) acetate dihydrate leads to the formation of a new compound of Zn(II) with o-phenylenediamineglyoxime (o-FDH2), very little studied ligand. The X-ray study, on the basis of which the crystal structure of this compound was determined, established that this oxime ligand was obtained from the condensation of organic components and coordinates to the metal atom like most vic-dioximes – bidentate-chelate through two nitrogen atoms, forming metallic rings of five atoms. The presented mononuclear complex compound is of a molecular type, the coordination polyhedron of Zn(II) being a pyramidal-tetragonal one is formed by a neutral o-FDH2 ligand, a monodeprotonated o-FDH- one and a chloride anion.

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