Synthesis and Characterization of Binary and Ternary Dioxouranium (VI) Complexes with Oxygen, Nitrogen and Sulphur Donor Ligands
Volume 2, Issue 3, June 2014, Pages: 19-28
Received: Jul. 12, 2014;
Accepted: Aug. 11, 2014;
Published: Aug. 20, 2014
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Abeer A. Faheim, Chemistry Department, Faculty of Science (Girl's), Al-Azhar University, Nasr-City, Cairo, Egypt, P.O.Box 11754; Chemistry Department, College of Education and Science (Khurma), Taif University, Al-khurma, Taif, Sudia Arabia
Mononuclear binary and ternary complexes of UO22+ ion with N-salicylidene-4-Aminotoluene-3-sulfonic acid as primary ligand and 8-hydroxyquinoline as coligand have been prepared. The elemental analysis, molar conductance, IR and solid reflectance spectra in addition to the magnetic moment measurements, thermal study, XRD and SEM analysis were utilized to investigate the coordination behavior of these complexes. From the investigation data, all complexes have metal to ligand ratio of 1:1 and 1:1:1 with octahedral and dodecahedral geometry for binary and ternary complexes, respectively and the force constant, FU-O and bond length, RU-O were calculated. The thermal behavior of these complexes was investigated and the thermal decomposition pathways have been postulated showing that the final product is metal or metal oxide. Antimicrobial properties of the complexes have also been examined against Staphylococcus aureus (ATCC 25923), Streptococcus pyogenes (ATCC 19615), Pseudomonas fluorescens (S 97), Pseudomonas phaseolicola (GSPB 2828), Fusarium oxysporum and Aspergillus fumigatus. The corrosion inhibition of aluminum specimens in acidic solution was studied by weight loss method. The ternary complex, [UO2(HL)(8-Oqu)H2O] was found to be exhibits excellent inhibitory activity against the different microorganisms in addition to its corrosion inhibition efficiency towards Al-specimens in acidic solution more than the binary complex, [UO2(HL)NO3].2H2O.
Abeer A. Faheim,
Synthesis and Characterization of Binary and Ternary Dioxouranium (VI) Complexes with Oxygen, Nitrogen and Sulphur Donor Ligands, Modern Chemistry.
Vol. 2, No. 3,
2014, pp. 19-28.
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