Synthesis, Crystal Structures, Thermal and Luminescent Properties of Rare Earth Metal Complexes with 1,2,4,5-Benzenetetracarboxylic Acid

被引：13

作者：

Guo, Li ^{[1
]}

Wu, Gang ^{[1
]}

Li, Hui-Hui ^{[1
]}

机构：

[1] Chu Zhou Univ, Coll Mat & Chem Engn, Chu Zhou 239012, Peoples R China

来源：

JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2012年 / 42卷 / 03期

关键词：

Rare earth complex; Carboxyl group; Thermal stability; Luminescent property; COORDINATION POLYMERS; MAGNETIC-PROPERTIES; ORGANIC FRAMEWORKS; LIGANDS; BEHAVIORS; DESIGN; OXIDATION; MOFS;

D O I：

10.1007/s10870-011-0223-3

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

[Pr(Hbtca)(H2O)] (1), [Eu(Hbtca)(H2O)] (2), [Gd(Hbtca)(H2O)] (3) (H(4)btca: 1,2,4,5-benzenetetracarboxlyic acid) have been synthesized and characterized by single crystal X-ray diffraction studies, elemental analysis and FT-IR. Structural determination reveals that these three complexes are isostructural. In compounds, center atoms coordinate to one ligand (Hbtca)(3)(-) and one water molecule with nine-coordinated distorted monocapped anti-square prism geometry. Four carboxyl groups of (Hbtca)(3-) adopt mu(2)-eta(1):eta(2) and mu(1)-eta(1):eta(1) two different coordination modes. The whole ligand (Hbtca)(3-) acts as a mu(6)-bridge to connect six different rare earth M(III) ions to generate a 3D network. Thermal stability of three complexes and luminescent property of 2 are investigated.

引用

页码：192 / 198

页数：7

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