Open lanthanide-organic frameworks with intertwined double and triple helical structures

被引:43
作者
Qin, C [1 ]
Wang, XL [1 ]
Wang, EB [1 ]
Xu, L [1 ]
机构
[1] NE Normal Univ, Dept Chem, Inst Polyoxometalate Chem, Changchun 130024, Peoples R China
基金
中国国家自然科学基金;
关键词
helix; hydrothermal reaction; lanthanide; luminescence;
D O I
10.1016/j.inoche.2005.04.019
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two new three-dimensional lanthanide coordination complexes, [Ln(2)(IDC)(2)(H2O)(3)] center dot 1.5H(2)O (Ln = Sm (1), Eu (2), IDC = 4,5-imidazoledicarboxylate), have been prepared by hydrothermal reaction of Ln(2)O(3), H3IDC at 140 degrees C and characterized by single-crystal X-ray diffraction analysis. To our knowledge, they represent the first examples of having intertwined lanthanide double and triple helical motifs and nanosized tubular channels. In addition, compound 2 exhibit red photoluminescence at room temperature. (C) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:669 / 672
页数:4
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