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Preparation and identification of a new azo-chalcone ligand (VACAN) and its complexes with some divalent transition metal ions. | ||
| Iraqi National Journal Of Chemistry | ||
| Article 1, Volume 15, Issue 2, 2015, Pages 191-213 | ||
| Authors | ||
| Saad M.Mahdi; Russel I.Aliway | ||
| Abstract | ||
| Abstract: A new azo-chalcone ligand was prepared in this work, by preparation the amino-chalcone first followed by diazoted it and reacting with the coupling component (2-naphthol) at 0ºC to produce the new ligand (VACAN). Three chelating complexes of divalent transition metal ions (Co, Ni, Cu) were prepared after the fixation of optimal condition of (concentration and pH values)and determination the mole ratio (M:L),the result indicate that the mole ratio for Co2+ ion was(2:1),while the others has (1:1)ratio. Both the amino-chalcone, the new ligand (VACAN) and its complexes was identified with the available techniques such (Mass spectroscopy (for VACAN), elementary analysis, Atomic Absorption, Uv-Visible spectroscopy, I.R spectroscopy), electrical molar conductivity and Magnetic susceptibility for the solid complexes. From the results obtained we can suggest an octahedral geometry for cobalt complex, square planner geometry for nickel complex and tetrahedral geometry for copper complex was appeared. | ||
| Keywords | ||
| azo; chalcone ligand; VACAN; elementary analysis; atomic absorption | ||
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