Synthesis,structures, and photoluminescent properties of two uranium complexes constructed by a flexible zwitterion ligand |
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| Affiliation: | 1. Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of education, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry & Material Science, Northwest University, Xi''an, Shaanxi 710069, PR China;2. Department of Chemistry, University of Malaya, Kuala Lumpur 50603, Malaysia;3. Chemistry Department, King Abdulaziz University, Jeddah 80203, Saudi Arabia;4. Department of Geology, Northwest University, Xi''an 710069, PR China |
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| Abstract: | Two novel uranium complexes were constructed by using a tripodal flexible zwitterion ligand 1,1′,1″-(2,4,6-trimethylbenzene-1,3,5-triyl)-tris(methylene)-tris(pyridine-4-carboxylic acid) trichlorine (H3LCl3). Reaction of uranyl acetate dihydrate and H3LCl3 in aqueous solution affords (UO2)4L2Cl4(μ3-O)2.4H2O (1), which contains tetranuclear motifs, resulting in the two dimensional structure. UO2L2.2NO3.H2O (2) obtained via the reaction of H3LCl3 and uranyl nitrate hexahydrate, which displays a three dimensional structure. The structures were detected by single crystal X-ray crystallography, elemental analysis (EA), infrared (IR) spectroscopy, and thermogravimetric analysis (TGA). Furthermore, luminescent properties were also investigated. |
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