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| Syntheses, Structures and Properties of Three Coordination Polymers Based on Citraconic Acid |
| Author Name | Affiliation | E-mail | | LI Gui-Lian | College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471934, China | | | YIN Wei-Dong | School of Food and Drug, Luoyang Normal University, Luoyang, Henan 471934, China | | | LIU Qian-Long | College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471934, China | | | LI Xiao-Ling | College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471934, China | | | XIN Ling-Yun | College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471934, China | | | LIU Guang-Zhen | College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471934, China | gzliuly@126.com |
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| Abstract: Three coordination polymers, {[Zn(ca)(iimb)]·0.75H2O}n (1), {[Cd(ca)(iimb)(H2O)]·0.75H2O}n (2) and {[Zn(ca)(bpe)0.5(H2O)]·H2O}n (3) (H2ca=citraconic acid, iimb=1-(1-imidazolyl)-4-(imidazol-1-ylmethyl)benzene, bpe=1,2-di(4-pyridyl)ethylene), were synthesized hydrothermally and measured structurally by single crystal X-ray diffraction, infrared spectroscopy(IR) and elemental analysis. Complex 1 displays a 2D reticular layer containing 1D metal-carboxylate chains. 2 features a 1D quasi-trapezoidal shape chain structure containing carboxylate-bridged dinuclear structures. Complex 3 shows a two-dimensional wave layer. The three-dimensional supramolecular structures of 2 and 3 are formed by abundant H-bond interactions; nevertheless, 3D supramolecular structure of 1 is formed through weak van der Waals force. Thermogravimetric analyses (TGA), powder X-ray diffractions (PXRD) and fluorescence properties for complexes 1~3 were investigated. The solid state fluorescence spectra indicate that all emission spectra of three complexes 1~3 are similar with those of the corresponding auxiliary ligands. In addition, complex 3 exhibits good photocatalytic activity for methylene blue (MB) degradation in the presence of H2O2 under UV irradiation. |
| Keywords: citraconic acid hydrothermal synthesis fluorescence property photocatalytic degradation |
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| LI Gui-Lian,YIN Wei-Dong,LIU Qian-Long,LI Xiao-Ling,XIN Ling-Yun,LIU Guang-Zhen.Syntheses, Structures and Properties of Three Coordination Polymers Based on Citraconic Acid[J].Chinese Journal of Inorganic Chemistry,2019,35(12):2355-2363. |
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