Transition metal complexes with Girard reagent-based ligands, Part I: Synthesis and crystal structure of the first cobalt(III) complexes with Schiff base derivative of Girard reagent |
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| Authors: | Ljiljana S Vojinovi&#x; Vukadin M Leovac Sladjana B Novakovi&#x; Goran A Bogdanovi&#x; Jnos J Csandi Valerija I e&#x;ljevi&#x; |
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| Affiliation: | aDepartment of Chemistry, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, Novi Sad 21000, Serbia and Montenegro;bVINČA Institute of Nuclear Sciences. P.O. Box 522, Belgrade 11001, Serbia and Montenegro |
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| Abstract: | A new ligand, pyridoxilidene Girard-T hydrazone, H3L]Cl2 · 2H2O, and its octahedral cobalt(III) complexes Co(HL)(NO2)3] · H2O (1) and Co(HL)2](PF6)3 (2) were synthesized. The X-ray analysis of (1) showed that the complex has a mer-octahedral configuration formed by coordination of the tridentate ONO neutral Schiff-base molecule and three monodentate N-bonded NO2 groups. Hydrogen bonds and intermolecular interactions for this complex are discussed. Complex (2) also has a mer-octahedral configuration. The ligand and complexes were characterized by elemental analysis, conductometric and magnetochemical measurements, IR and UV–Visible, 1H and 13C NMR spectra. |
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| Keywords: | Cobalt(III) complexes Pyridoxilidene Girard-T hydrazone X-ray crystal structure |
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