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Molecules 2018, 23(5), 1141; https://doi.org/10.3390/molecules23051141

Unprecedented Fluorescent Dinuclear CoII and ZnII Coordination Compounds with a Symmetric Bis(salamo)-Like Tetraoxime

School of Chemical and Biological Engineering, Lanzhou Jiaotong University, Lanzhou, 730070, China
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Academic Editor: Gregor Drummen
Received: 31 March 2018 / Revised: 2 May 2018 / Accepted: 8 May 2018 / Published: 10 May 2018
(This article belongs to the Special Issue Lumino and Fluorophores—Illuminating Science and Technology)
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Abstract

Two unprecedented homometallic CoII and ZnII coordination compounds, [M2(L)(OCH3)][M2(L)(OAc)] (MII = CoII (1) and ZnII (2)), with a novel symmetric bis(salamo)-like tetraoxime ligand H3L were synthesized and characterized by elemental analyses, infrafred (IR), ultraviolet–visible spectroscopy (UV-Vis), fluorescent spectra and single-crystal X-ray diffraction analyses. The unit cell of the two coordination compounds contains two crystallographically and chemically independent dinuclear coordination compounds. In the two coordination compounds, three metal ions are five-coordinated, formed two square pyramidal and a trigonal bipyramidal geometries, and the other metal ion is a hexacoordinate octahedral configuration. In addition, the coordination compound 1 forms a 3D supramolecular structure, and the coordination compound 2 forms a 0D dimer structure by the inter-molecular hydrogen bond interactions. Meanwhile, the fluorescence spectra of the coordination compounds 1 and 2 were also measured and discussed. View Full-Text
Keywords: bis(salamo)-like tetraoxime; coordination compound; synthesis; structure; fluorescence property bis(salamo)-like tetraoxime; coordination compound; synthesis; structure; fluorescence property
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, L.-W.; Liu, L.-Z.; Wang, F.; Dong, W.-K. Unprecedented Fluorescent Dinuclear CoII and ZnII Coordination Compounds with a Symmetric Bis(salamo)-Like Tetraoxime. Molecules 2018, 23, 1141.

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