Synthesis, Characterization, And Antibacterial activity Of Mn (II),Fe(II),Co(II),Ni(II),Cu(II),Zn(II),Cd(II),and Hg (II) Mixed- Ligand Complexes Containing Furan-2-carboxylic acid And (1,10-phenanthroline)

Taghreed, H. Al-Noor, Faiza.H Ghanim, Aliea, S. kindeel


The research includes the synthesis and identification of type mixed ligand complexes of

M+2 Ions using Furan-2-carboxylic acid( C5H4O3) (FCA H) as a primary ligand and 1,10-phenanthroline (phen )as secondary ligand.The resulting products were found to be solid crystalline complexes' which have been characterized by :Melting points, Solubility, Molar conductivity. determination the percentage of the metal in the complexes by flame(AAS), magnetic susceptibility, Spectroscopic Method [FT-IR and UV-Vis]. The proposed structure of the complexes using program , chem office 3D(2006) . The general formula have been given for the prepared mixed ligand complexes [M(FCA)2(phen)2]

M(II) - Mn (II) , Fe (II),Co(II) ,Ni(II),Cu (II), Zn(II) , Cd(II), and Hg (II).

Phen = 1,10-phenanthroline = (C14H8N2.H2O)    The results showed that the deprotonated ligand (Furan-2-carboxylic acid (FCA H) to (Furan-2-carboxylate ion (FCA -)  by using (KOH) coordinated to metal ions as a monodendate  ligand through the oxygen atom of the carboxylate group (-COO-),and the retention of ? (C-O-C) band of the (FCA -) ring at 1224 cm-1 oxygen atom of the ring cm-1 indicates that is not taking part in coordination.

Keywords : Furan 2-carboxylic acid; 1,10-phenanthroline;mixed ligand complexes ,    heterocyclic aromatic compound.

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