Syntheses, crystal structures and properties of six coordination compounds with flexible dps ligand |
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| Authors: | Xue-Jian SunLing-Yun Xu Jian-Feng GeQing-Feng Xu Jian-Mei Lu |
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| Institution: | Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou, Jiangsu 215123, China Key Laboratory of Environmental Absorbent Materials, Suzhou, Jiangsu 215123, China |
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| Abstract: | Six new compounds: M(dps)(dca)2]∞ (1, M = Cd; 2, M = Fe), Cu(dps)(dca)2(CH3OH)2]∞ (3), M(dps)2(SCN)2(H2O)2]∞ (4, M = Cd; 5, M = Fe), Cu(dps)4(SCN)2]∞ (6), (dps = 4,4′-dipyridyl sulfide, dca = dicyanamide) were synthesized, characterized by FT-IR, element analysis and TG. Their structures were determined by single crystal X-ray diffraction. According to the structure analysis, compounds 1 and 2 are three-dimensional microporous frameworks constructed by Cu-dps-Cu and Cu-dca-Cu bridges; compound 3 shows a zigzag chain constructed by a Cu-dps-Cu bridge; compounds 4 and 5 show double-stranded chains constructed by a Cu-(dps)2-Cu bridge while thiocyanate anions act as terminal groups; compound 6 is a mononuclear compound. Moreover, compound 1 shows visible yellow luminescence under UV light irradiation and such phenomenon is mainly attributed to inter-ligand transitions. |
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| Keywords: | Metal ion 4 4&prime -Dipyridyl sulfide Crystal structure Anion |
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