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Preparation and Characterization of Cobalt (II)- Complexes of 4-Hydroxybenzaldehyde Semicarbazone and Amino Acid Esters Ligands | ||
| Journal of Education and Science | ||
| Article 2, Volume 21, Issue 4, 2008, Pages 11-22 PDF (0 K) | ||
| DOI: 10.33899/edusj.2008.56110 | ||
| Authors | ||
| Mushal W. Ibrahim; Zuhoor F. Dawood | ||
| Abstract | ||
| ABSTRACT Cobalt (II) complexes with mixed ligands including 4-hydroxy- benzaldehyde semicarbazone (HBSCH) and esters of amino acids - A {phenol glycine ester (GlyP), phenol alanine ester (AlaP), 2-aminophenol glycine ester (GlyA) and 2-aminophenol alanine ester (AlaA)} have been prepared and characterized by physical chemical techniques. General formulaes [Co(HBSCH)(A)2(NO3)]NO3, [Co(HBSCH)(A)2(NO3)2], [Co(HBSCH)2(A)(NO3)]NO3 and [Co(HBSCH)2(A)(NO3)2] have been proposed for the complexes prepared in neutral medium. Whereas, the formulaes [Co(HBSC)(A)2] and [Co(HBSC)2(A)] have been proposed for the complexes prepared in basic medium (where HBSC = deprotonated HBSCH ligand). The study suggested that all the complexes had octahedral geometries. | ||
| Keywords | ||
| Cobalt (II)- Complexes; 4-Hydroxybenzaldehyde Semicarbazone; Amino Acid Esters Ligands | ||
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