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Formation and stability of some transition metal complexes with a new tetradentate Schiff base ligand | ||
| journal of kerbala university | ||
| Article 1, Volume 6, Issue 1, 2010, Pages 71-85 PDF (0 K) | ||
| Author | ||
| Muhsin Taki AL-Kazweeni | ||
| Abstract | ||
| The synthesis of new tetradentate ligand Sodium[2-(1-carboxy-ethelideneamino)-phenilimino propaneate] Na2L and its complexes with Mn(II), Fe(II), Co(II), Ni(II), Cu(II) ,Zn(II) , are reported. The compounds have been characterized by elemental microanalysis, molar conductance, mole-ratio determination, melting point, HPLC, IR and UV-Vis spectroscopy. On the basis of these measurements the complexes may be presented as [ML], where M is the metal. The complexes may be considered to have a tetrahedral structure except the Ni and Cu complexes which adopt a square planar and a distorted tetrahedral geometry respectively. The stability constant K and Gibbs free energy ΔG were calculated for Fe, Co, Ni complexes using spectrophotometric method. The obtained values indicate that these complexes are stable in their solutions. | ||
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