Hydrothermal synthesis and crystal structure of two new lanthanide coordination polymers with 1,2-phenylenediacetate

被引:15
|
作者
Li, Xia [2 ]
Wang, Chunyan [2 ]
Zheng, Xiangjun [1 ]
Zou, Yingquan [1 ]
机构
[1] Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China
[2] Capital Normal Univ, Dept Chem, Beijing 100037, Peoples R China
关键词
lanthanide coordination polymers; 1,2-phenylenediacetate; hydrothermal synthesis; crystal structure;
D O I
10.1080/00958970701502003
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two new compounds {[Ln(2)(1,2-pda)(3)(H2O)(2)]center dot 2H(2)O}n (1,2-H(2)pda = 1,2-phenylenediacetic acid, Ln = Tb, 1; Ho, 2) were prepared by hydrothermal reaction and characterized by X-ray crystallography. The Ln(3+) is nine-coordinate by eight oxygen atoms of six 1,2-pda ligands and one oxygen of water. Ln(3+) ions are bridged by 1,2-pda ligands via bridging/chelating-bridging pentadentate and chelating-bridging/chelating-bridging hexadentate coordination to form 3-D framework structures. Complex 1 emits strong green fluorescence corresponding to D-5(4) -> F-7(j) (j = 6-3) transitions of the Tb3+.
引用
收藏
页码:1127 / 1136
页数:10
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