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Crystal structures and luminescent properties of two novel coordination polymers containing Ln and SO_4~-

机译:两种含Ln和SO_4〜-的新型配位聚合物的晶体结构和发光性能

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Two novel lanthanide-sulfate coordination polymers with chelidamic acid(H3CAM):{[Ln2(HCAM)2(H2O)2SO4]·2.5H2O}_n(Ln=Dy(1)and Tb(2))have been synthesized under hydrothermal condition.1 and 2 crystallize in the monoclinic space group P2_1/c.An intriguing bowl-like structure was constructed by three Ln~(3+)ions,one SO_4~(2-)anion and carboxylate O bridges,in which the pentadente mode of SO_4~(2-)anion are observed,and the structure as a repeating unit was assembled into a 1D chain.The luminescent properties of 1 and 2 are studied and exhibit the characteristic bands of the corresponding lanthanide ions.
机译:在水热条件下合成了两种新型的具有螯胺酸(H3CAM)的镧系元素硫酸盐配位聚合物:{[Ln2(HCAM)2(H2O)2SO4]·2.5H2O} _n(Ln = Dy(1)和Tb(2))。 .1和2在单斜空间群P2_1 / c中结晶。一个有趣的碗状结构由三个Ln〜(3+)离子,一个SO_4〜(2-)阴离子和羧基O桥构成,其中五齿模式观察到SO_4〜(2-)阴离子的分子结构,并将其作为重复单元的结构组装成一维链。研究了1和2的发光性质,并显示了相应镧系离子的特征谱带。

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