Syntheses, structures and luminescence properties of two series of 3D lanthanide coordination polymers based on benzimidazole-5,6-dicarboxylic acid and oxalate

被引：13
作者：
Chen, Tian-Li [1 ]
Yu, Xiao-Yang [1 ,2 ]
Zhao, Xiang [1 ]
Luo, Yu-Hui [1 ]
Yang, Jia-Jun [1 ,2 ]
Zhang, Hong [1 ]
Chen, Xin [3 ]
机构：
[1] NE Normal Univ, Dept Chem, Inst Polyoxometalate Chem, Changchun 130024, Jilin, Peoples R China
[2] Jilin Inst Chem Technol, Coll Chem & Pharmaceut Engn, Jilin 132022, Jilin, Peoples R China
[3] Changzhou Univ, Sch Pharmaceut & Life Sci, Changzhou 213164, Jiangsu, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2012年 / 23卷
关键词：
Crystal structure; Lanthanide (III); Benzimidazole-5,6-dicarboxylic acid; Oxalate; Solvothermal reaction; Luminescence; ORGANIC FRAMEWORKS; CRYSTAL-STRUCTURE; COMPLEXES; CLUSTERS; AG;
D O I：
10.1016/j.inoche.2012.06.012
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two serious three-dimensional (3D) lanthanide organic frameworks, {[Ln(Hbidc)(ox)(1/2)(H2O)]center dot H2O}(n) [Ln = Pr (1), Nb (2) and Sm (3)] (H(3)bidc = Benzimidazole-5,6-dicarboxylic acid, H(2)ox = oxalic acid) and [Ln(Hbidc)(ox)(1/2)](n) [Ln = Eu (4) and Gd (5)], have been synthesized solvothermally under different temperature conditions. Their structures have been characterized by single-crystal X-ray diffraction, elemental analysis. IR spectra and thermogravimetric analysis. Structure analyses reveal that the five compounds exhibit similar 3D network structures that ox(2-) and Hbidc(2-) ligands showing the same coordination mode to link metal centers. The difference between the two kinds of compounds is that the coordination and lattice water molecules are absent in 4-5 due to the higher reaction temperature. Additionally, the luminescence properties of compounds 3 and 4 have been investigated in detail. (C) 2012 Elsevier B.V. All rights reserved.
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页码：74 / 77
页数：4
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