Preparation and characterization of mono- and hetero-dinuclear complexes with a dicompartmental macrocyclic ligand containing hexa- and penta-coordination sites |
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| Affiliation: | 1. Department of Chemistry, University of Mazandaran, P.O. Box 453, Babolsar, Mazandaran 47416-1457, Iran;2. Laboratoire DECMET, ILB, Université Louis Pasteur, 4, Rue Blaise Pascal, 67000 Strasbourg, France;1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan;2. Unit of Elements Strategy Initiative for Catalysis & Batteries, Kyoto University, Japan;1. Department of Chemistry, Faculty of Science, University of Dicle, 21280 Diyarbakir, Turkey;2. ??rnak University, Department of Field Crops, Faculty of Agriculture, ??rnak 73000, Turkey;3. Kazakh-British Technical University, School of Chemical Engineering, Almaty, Kazakhstan;4. Satbayev University, Institute of Chemical and Biological Technologies, Almaty, Kazakhstan |
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| Abstract: | A novel hetero-dinucleating macrocyclic Zn(II)–Ni(II) complex was prepared by a stepwise procedure. The prepared mono- and dinuclear macrocyclic complexes were characterized by elemental analysis, IR, NMR spectroscopies, and molar conductance measurements. Characterization results confirm the expected C2 symmetry geometry for mononuclear macrocyclic zinc complex with trans disposed pyridyl ligands. In contrast, the X-ray crystal structure of the dinuclear macrocyclic Zn(II)–Ni(II) complex reveals a C1 symmetry geometry so that, Zn(II) ion is located in six-coordination site with cis disposed pyridyl ligands and the penta-dentate compartment is occupied by Ni(II) ion in a square pyramidal geometry. The thermogravimetric analysis (DTA/TG) of binuclear complex is also investigated. |
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