Seven novel SrII-SmIII and SrII-DyIII coordination polymers: construction of five classes of structural topologies using different amounts of imidazole

被引：9

作者：

Chen, Yanmei ^{[1
]}

Cao, Yanyuan ^{[1
]}

Chen, Wenqian ^{[1
]}

Gao, Qian ^{[1
]}

Li, Lei ^{[1
]}

Gao, Dandan ^{[2
]}

Liu, Wei ^{[1
]}

Li, Yahong ^{[1
,3
]}

Li, Wu ^{[2
]}

机构：

[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Key Lab Organ Synth Jiangsu Prov, Suzhou 215123, Peoples R China

[2] Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China

[3] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China

来源：

DALTON TRANSACTIONS | 2013年 / 42卷 / 27期

关键词：

LUMINESCENT PROPERTIES; CRYSTAL-STRUCTURE; ORGANIC FRAMEWORKS; RARE-EARTH; COMPLEXES; METAL; PROBES; SERIES; MG;

D O I：

10.1039/c3dt50453k

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The employment of pyridine-2,6-dicarboxylic acid (H(2)pda) and imidazole (im) in the synthesis of Sr-II-Sm-III and Sr-II-Dy-III coordination polymers has been reported. Seven novel heterometallic coordination polymers of compositions, [Dy3Sr3(pda)(7)(Hpda)(H2O)(9)]center dot 6H(2)O (1), [LnSr(pda)(3)(H2O)(5)]center dot Him center dot H2O (Ln = Sm(2), Dy(3)), [Ln(2)Sr(pda)(6)(H2O)(5)]center dot 4Him center dot C2H5OH center dot nH(2)O (Ln = Sm(4), n = 4; Dy(5), n = 5), [Sm2Sr2(pda)(5)(H2O)(9)]center dot 2H(2)O (6) and [DySr(pda)(3)(H2O)(4)]center dot Him center dot 3H(2)O (7), have been prepared and characterized. Complexes 1, 2-3, and 6 display three varieties of 2-D structures. 4-5 and 7 exhibit two types of 1-D chain structures. The structures of the complexes could be controlled via choosing appropriate starting materials and tuning the amount of imidazole. The photo-luminescent properties of these complexes have been investigated. The results show the exclusive luminescence emission bands being characteristic of Sm-III and Dy-III.

引用

页码：10011 / 10018

页数：8

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