Nanoporous lanthanide-carboxylate frameworks based on 5-nitroisophthalic acid

被引：42

作者：

Chen, San-Ping ^{[1
]}

Ren, Yi-Xia ^{[1
,2
]}

Wang, Wei-Tao ^{[1
]}

Gao, Sheng-Li ^{[1
]}

机构：

[1] NW Univ Xian, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710069, Peoples R China

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

来源：

DALTON TRANSACTIONS | 2010年 / 39卷 / 06期

基金：

中国国家自然科学基金;

关键词：

SECONDARY BUILDING UNITS; METAL-ORGANIC FRAMEWORKS; SINGLE-CRYSTAL STRUCTURE; COORDINATION POLYMERS; HYDROTHERMAL SYNTHESIS; LUMINESCENT PROPERTIES; OPTICAL-PROPERTIES; ENERGY-TRANSFER; COMPLEXES; NETWORKS;

D O I：

10.1039/b914879e

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reactions of lanthanide nitrates with 5-nitroisophthalic acid (ab. 5-H(2)nip) in DMF and ethanol (1 : 1) mixed solution gave rise to three nanoporous lanthanide polymers, {[Ln(2)(5-nip)(3)(DMF)(4)](DMF)(2)}(n) (Ln = Nd (1), Dy (2), Ho (3), 5-nip = 5-nitroisophthalate). Single-crystal X-ray diffraction analyses reveal that they are isomorphous and feature three-dimensional metal-organic frameworks with two-dimensional intersecting channels occupied by guest DMF molecules constructed from the linkage of dimer Ln(2)C(6)O(12) SBUs and 5-nip ligands. The guest DMF molecules can be reversibly removed from 2 as identified using TGA-DSC and PXRD. The heat of adsorption of the guest-free sample of 2 with DMF was measured with a value of 10.3 kJ mol(-1) by an RD496-III type microcalorimeter. In addition, the photoluminescent property of 2 was investigated.

引用

页码：1552 / 1557

页数：6

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