Syntheses and Characterizations of the Lanthanide Compounds with 4-(4-Pyridyl) benzoate and 2,6-Pyridinedicarboxylate as Ligands

被引:3
|
作者
Zhang Man-Bo [1 ]
Zhang Mei-Zhi [1 ]
Chen Xing [1 ]
Hu Rui-Xiang [1 ]
机构
[1] Hunan Normal Univ, Coll Chem & Chem Engn, Key Lab Chem Biol & Tradit Chinese Med Res, Minist Educ, Changsha 410081, Hunan, Peoples R China
关键词
lanthanide; 4-(4-pyridyl) benzoic acid; 2,6-pyridinedicarboxylic acid; luminescence; COORDINATION POLYMERS; SINGLE-CRYSTAL; FRAMEWORKS; CHAINS;
D O I
10.14102/j.cnki.0254-5861.2011-1341
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two new lanthanide coordination polymers, namely left perpendicular Ln(2)(mu(3)-OH)(pydca)(pyba)(3)(H2O)inverted left perpendicular (n) (Ln = Pr, 1; Eu, 2; Hpyba = 4-(4-pyridyl) benzoic acid; H(2)pydca = 2,6-pyridinedicarboxylic acid), have been hydrothermally synthesized and characterized by IR spectroscopy and X-ray single-crystal diffraction. The chains of 1 and 2 are constructed by tetra-metallic units of [Ln(4)(OH)(2)(pyba) (2)], which are further linked by mu(4)-k(1)N, k(1)O, k(2)O', k(2)O"-pydca and mu(2)-k(1)N, k(1)O, k(1)O'-pyba to form 2D frameworks. Luminescence measurement reveals that compound 2 exhibits strong reddish emission at room temperature.
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页码:825 / 830
页数:6
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