Lanthanide coordination compounds with 2,2′-bipyridine-6,6′-dicarboxylate: Synthesis, crystal structure, luminescence and magnetic property

被引：19
|
作者：
Ren, Ya-Lan [1 ]
Wang, Fei [1 ]
Hu, Huai-Ming [1 ]
Chang, Zhuguo [1 ]
Yang, Meng-Lin [1 ]
Xue, Ganglin [1 ]
机构：
[1] NW Univ Xian, Coll Chem & Mat Sci, Key Lab Synthet & Nat Funct Mol Chem, Minist Educ, Xian 710127, Peoples R China
来源：
INORGANICA CHIMICA ACTA | 2015年 / 434卷
基金：
中国国家自然科学基金;
关键词：
Lanthanide; Bipyridyldicarboxylate; Crystal structure; Hydrothermal synthesis; Luminescence; Magnetism; METAL-ORGANIC FRAMEWORKS; PHOTOLUMINESCENT PROPERTIES; CARBOXYLATE LIGAND; NEUTRAL LIGANDS; 1ST EXAMPLES; POLYMERS; COMPLEXES; ACID; SERIES; PH;
D O I：
10.1016/j.ica.2015.05.018
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two types of eleven new lanthanide coordination compounds, namely, {[Na(2)Ln(2)(bpdc)(4)(H2O)(2)]center dot 3H(2)O}(n), Ln = Gd (1), Tb (2), Dy (3), Ho (4), Er (5), Yb (6), and [Ln(bpdc)(H2O)(4)][Ln(bpdc)(2)]center dot 5H(2)O, Ln = Tb (7), Dy (8), Ho (9), Er (10), Yb (11) (H(2)bpdc = 2,2'-bipyridine-6,6'-dicarboxylic acid) have been synthesized under hydrothermal conditions. Compounds 1-6 formed at higher pH values (5.5-6.5) are isostructural 2D alkali-lanthanide heterometallic coordination polymers, which are simplified as a (3,3,4) network of {3.10(2)}{3.4.5.10(2).11}{3.4.5}. Compounds 7-11 are obtained at lower pH values (pH = 2.0-3.0), and exhibit a discrete structure consisting of one complex cation and one complex anion, which are further extended into 2D metal-organic supramolecular frameworks by O-H center dot center dot center dot O hydrogen bonds. Additionally, the compounds exhibit the characteristic emissions of lanthanide ions in the visible and near-infrared region. Magnetic properties of compounds 1-5 have also been studied. (C) 2015 Elsevier B.V. All rights reserved.
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收藏
页码：104 / 112
页数：9
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