Synthesis, Structure and Properties of a New Terbium(III) Complex Tb2(C15H11O3)6(2,2′-bipy)2

被引：0
作者：
Yang Ying-Qun [1 ,2 ,3 ]
Tuo Lu-Yao [3 ]
Li Wei [1 ,2 ,3 ]
机构：
[1] Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China
[2] Key Lab Funct Organometall Mat Hunan Prov Coll, Hengyang 421008, Peoples R China
[3] Hengyang Normal Univ, Dept Chem & Mat Sci, Hengyang 421008, Peoples R China
来源：
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY | 2020年 / 39卷 / 07期
关键词：
terbium(III) complex; crystal structure; fluorescent and magnetic properties; CRYSTAL-STRUCTURES; LANTHANIDE; FLUORESCENCE; LUMINESCENT; SERIES; ACID;
D O I：
10.14102/j.cnki.0254-5861.2011-2789
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new terbium(III) complex Tb-2(C15H11O3)(6)(2,2'-bipy)(2) has been synthesized with 2-(4-methylbenzoyl)benzoic acid and 2,2'-bipy ligands. Crystal data for the complex: monoclinic, space group P2(1)/n, a = 14.9738(5), b = 13.5469(4), c = 23.0683(7) angstrom, beta= 103.950(3)degrees, V= 4541.4(3) angstrom(3) , D-c = 1.511 g/cm(3), Z = 2,mu(MoK alpha) = 1.620 mm(-1), F(000) = 2088, the final R= 0.0318 and wR = 0.0727. The Tb(III) ion is coordinated by eight atoms to give a distorted square antiprism coordination geometry. The complex shows three fluorescence emission bands arising from the transitions of Tb3+: D-5(4) -> F-7(6) (490 nm), D-5(4) -> F-7(5) (545 nm) and D-5(4) -> F-7(4) (584 nm). The complex exhibits antiferromagnetism in the temperature range of 300 similar to 2 K. Also reported are the thermal stability properties of the complex.
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页码：1331 / 1336
页数：6
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