Penta-Coordinate Complexes of Co(Il) and Ni(Il) With Dibasic Acids and Diethylenetriamine and Terpyridine

M. Saidul Islam* and M. Ashraful Alam

¹Department of Chemistry, University of Rajshahi, Rajshahi, Bangladesh.

²Department of Chemistry, BIT Rajshahi, Rajshahi, Bangladesh.

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ABSTRACT:

Some novel mixed ligand complexes of cobalt (II) and nickel(II) with tetrachlorophthalic, and adipic acid with tridentate ligands were prepared. The compounds have proposed the general formula [M(acid)L], where M=Co(ll) or Ni(ll) and acid H2 = tetrachlorophthalic and adipic acid, L = diethylenetriamine or terpyridine. The complexes were isolated from the reaction in solid form and characterized on the basis of elemental analyses conductivity measurements, magnetic measurements, and infrared and electronic spectroscopic studies.

KEYWORDS:

Tetrachlorophthalic; Prepared; Diethylenetriamine; Characterized