Investigation into Aroylhydrazones as Chelating Agents. Part 7. Synthesis and Spectroscopic Characterization of Complexes of MnII, CoII, NiII, CuII, and ZnII with 2,6-Diacetylpyridine Bis(2-aminobenzoylhydrazone) and X-Ray Structure of Chloro<2,6-diacetylpyridine bis(2-amino...

Article abstract of DOI:10.1039/DT9850002387

A series of Mn^II, Co^II, Ni^II, Cu^II, and Zn^II complexes with 2,6-diacetylpyridine bis(2-aminobenzoylhydrazone) (H2dapab) has been prepared from the reaction of the hydrazone with metal chlorides and acetates.The i.r. spectra are reported and evaluated to obtain information on the co-ordinating behaviour of the hydrazone.An X-ray diffraction analysis carried out on Cl*H2O has shown it to possess pentagonal-bipyramidal geometry with the H2dapab ligand occupying the equatorial plane and the Cl and CH3OH groups at the axial sites.The structure has been refined to R=0.0676 for 2173 observed diffractometer data.

Full text of DOI:10.1039/DT9850002387

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