The architectures of 1D coordination polymers with the versatile 7-chloroquinoline-4-alanine ligand mediated by anions: Syntheses,structures and luminescent properties |
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Authors: | Xiao-Qiang Liang Chao ChenXin-Hui Zhou Hong-Ping XiaoYi-Zhi Li Jing-Lin Zuo Xiao-Zeng You |
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Affiliation: | Coordination Chemistry Institute and the State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Hankou Road 9, Nanjing 210093, PR China |
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Abstract: | Three new coordination polymers, [Cd(cqaH)(cqa)Cl]n (1), [Cd(cqaH)(cqa)Br]n (2) and {[Cd2(cqa)4] · 3H2O}n (3) (Hcqa = 7-chloroquinolin-4-alanine, cqaH = the Hcqa ligand, where the proton is transferred from the acid group to the imine group) have been prepared under hydrothermal conditions and characterized by X-ray structural analyses. Both complexes 1 and 2 possess 1D ribbon-like chains, and complex 3 features a 1D double-stranded chain. Various coordination fashions and supramolecular networks are observed in complexes 1–3 due to the versatile coordination modes of the ligand and the cooperative effect from anions in the assemblies. In addition, the luminescent properties for all compounds have been investigated in the solid state. |
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Keywords: | Cadmium(II) complexes Coordination polymers Crystal structures Quinoline ligands Luminescence |
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