Microporous rare-earth coordination polymers constructed by 1,4-cyclohexanedicarboxylate

被引：11

作者：

Xu Haitao ^{[1
]}

Li Zhihua ^{[2
]}

机构：

[1] Tongji Univ, Dept Chem, Shanghai 200092, Peoples R China

[2] Shandong Normal Univ, Dept Chem, Jinan 250014, Shandong, Peoples R China

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2008年 / 115卷 / 03期

关键词：

coordination polymers; crystal structure; microporous materials; rare-earth ion effect; gas sorption;

D O I：

10.1016/j.micromeso.2008.02.029

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In this paper, three novel microporous materials of 1, 4-cyclohexanedicarboxylate Ln[(C8H10O4)(1.5) (H2O)]. 0.5(H2O) (Ln = Eu for 1, Nd for 2, Sm for 3) are synthesized by the hydrothermal method. The powder X-ray diffraction patterns demonstrate three complexes are isomorphism. The crystal structure of the coordination polymer 1 reveals that the Eu3+ ion center is located in the nine-coordinated environment and the carboxyl groups chelate Eu3+ ions to form 1-D channels through c-axis in mu(1), mu(2) and mu(3) fashion. The properties of the microporous materials are all characterized by the adsorption and desorption of the nitrogen gas and show tremendous difference. TGA illustrate the open frameworks are stable to about 450 degrees C and they are retained upon removal of water molecules in channels. (c) 2008 Elsevier Inc. All rights reserved.

引用

页码：522 / 526

页数：5

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