Abstract
New centrosymmetric trinuclear zinc(II) complex {[Zn(μ-ONN)(μ2-O)(μ-OO)]2Zn} has been synthesized by the reaction of a potentially ONN tridentate Schiff base ligand, and N,N-dimethylethylendiamin, with Zn(OAc)2·2H2O in methanol, in the refluxed conditions and characterized by elemental analysis, FT-IR and UV–Vis spectroscopy. Single crystal X-ray structure analysis reveals a trinuclear complex {[Zn(μ-ONN)(μ2-O)(μ-OO)]2Zn} with zinc(II) ions connected by three different bridges, (μ-ONN) of the Schiff base ligand, μ2-O and μ-OO of the acetate. The complex is centrosymmetric, with one of the Zn atoms located at the inversion center. While the central Zn(II) ion is six-coordinated, the coordination number of the other Zn(II) ions is five. Finally, the {[Zn(μ-ONN)(μ2-O)(μ-OO)]2Zn} complex was thermally decomposed in air at 700 °C resulted in ZnO nano crystalites with the average size of 42 nm. The antibacterial activity of ligand and its zinc(II) complex were tested against gram-positive and gram-negative bacteria. The ligand showed higher activity than its zinc(II) complex.
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Acknowledgements
We acknowledge the Damghan University (DU), Central Lab of DU and Golestan University (GU) for partial support of this work, and the Project 14-03276S of the Czech Science Foundation for supporting its crystallographic part.
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Appendix: Supplementary Data
Appendix: Supplementary Data
Crystallographic data (excluding structure factors) for the structure reported in this paper has been deposited with the Cambridge Crystallographic Data Centre, CCDC No. 1021010. Copies of the data can be obtained free of charge through an e-mail request at deposit@ccdc.cam.ac.uk or via http:www.ccdc.cam.ac.uk.
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Far, B.S., Grivani, G., Khalaji, A.D. et al. A New Trinuclear Zn(II) Complex {[Zn(μ-ONN)(μ2-O)(μ-OO)]2Zn}: Synthesis, Characterization, Thermal Decomposition and Antibacterial Activity. J Clust Sci 28, 3217–3227 (2017). https://doi.org/10.1007/s10876-017-1290-1
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DOI: https://doi.org/10.1007/s10876-017-1290-1