Syntheses, structures, and properties of 3D lanthanide coordination polymers based on pyridine-2,3,5,6-tetracarboxylate

被引：20

作者：

Gao, Hong-Ling ^{[1
]}

Yi, Yong-Ling ^{[1
]}

Hu, Yao-Min ^{[1
]}

Qu, Jing ^{[1
]}

Hu, Cong-Cong ^{[1
]}

Wufu, Riziwanguli ^{[1
]}

Cui, Jian-Zhong ^{[1
]}

Zhai, Bin ^{[2
]}

机构：

[1] Tianjin Univ, Dept Chem, Tianjin 300072, Peoples R China

[2] Shangqiu Normal Univ, Shangqiu 476000, Henan, Peoples R China

来源：

CRYSTENGCOMM | 2012年 / 14卷 / 23期

基金：

中国国家自然科学基金;

关键词：

METAL-ORGANIC FRAMEWORKS; SENSITIZED LUMINESCENCE; MAGNETIC-PROPERTIES; COMPLEXES; PHOTOLUMINESCENCE; TB; GD; ER; LN; LIGANDS;

D O I：

10.1039/c2ce26129d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Three new 3D lanthanide(III) coordination polymers with the formulas {K[Ln(pdtc)(H2O)]center dot H2O}(n)(Ln = Nd(1), Dy(2), Er(3); K4pdtc = potassium pyridine-2,3,5,6-tetracarboxylate) have been synthesized via hydrothermal methods and structurally characterized by X-ray single crystal diffraction analysis, elemental analysis and thermal gravimetric analysis. In complexes 1-3, the pdtc(4-) ligands adopt new coordination modes and the three complexes have similar 3D network structures which consist of dinuclear building units and novel K-O chains inserted into the structure. Furthermore, complex 2 shows corresponding characteristic luminescence and complex 3 exhibits weak antiferromagnetic properties.

引用

页码：7965 / 7971

页数：7

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