Preparation, crystal structure and thermal stability of porous lanthanide complexes with 5-methyl isophthalic acid

被引：10

作者：

An, Qiufeng ^{[1
]}

Ren, Yixia ^{[1
,2
]}

Chen, Sanping ^{[1
]}

Gao, Shengli ^{[1
]}

机构：

[1] Northwest Univ, Dept Chem, Shaanxi Key Lab Physico Inorgan Chem, Shaanxi 710069, Peoples R China

[2] Yanan Univ, Coll Chem & Chem Engn, Yanan 716000, Peoples R China

来源：

JOURNAL OF COORDINATION CHEMISTRY | 2008年 / 61卷 / 24期

关键词：

Porous structure; Hydrothermal; 5-Methyl isophthalic acid; Lanthanide;

D O I：

10.1080/00958970802169371

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three lanthanide complexes 1-3 with 5-methyl isophthalic acid (5-CH3-H2bdc) were prepared under hydrothermal conditions, two have formula Eu2(5-CH3-bdc)3(EtOH) (2) and [Er(5-CH3-bdc)1.5] (H2O) (3) and were characterized by X-ray single crystal diffraction. In 2, there are two europium(III) ions in seven-coordinate pentagonal bipyramid and eight-coordinate bicapped trigonal prism geometries. Complex 2 is a 3-D porous structure with 1-D channels (potential solvent area = 453 3, 15.7%). One crystallographic independent erbium(III) ion exists and lies in a pentagonal bipyramidal geometry in 3, in which one-dimensional channels are rectangular (potential solvent area = 470 3, 16.4%). TG-DTG experiments show that these complexes have stability to 750-880C decomposing to corresponding Ln2O3.

引用

页码：3904 / 3912

页数：9

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