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[ZnCl_4]~2-Induced Coordination and Supramolecular Self-Assembly of Lanthanide Metal Ions to Cucurbit[6]uril:Potential Application in Separation of Light Lanthanides

Li-Li Liang  Xin-Long Ni  Yi Zhao  Kai Chen  Xin Xiao  Yun-Qian Zhang  Carl Redshaw  Qian-Jiang Zhu  Sai-Feng Xue  Zhu Tao  
【摘要】:正In one of our previous works,we used to report a crystal structure of a compound of hydronium dichloroferrate chloride adducts with cucurbituril.[ZnCl_4]~(2-) is a well known crystallization agent in the coordination chemistry.Therefore,in the present work,the Ln-Q[6]systems in the presence of[ZnCl_4]~(2-) have also been extensively studied.The experimental results revealed that the[ZnCl4]~(2-) anion also presented so-called"honeycomb effect"which could trigger the coordination of Ln metal cations to the Q[6]

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