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Vol. 25 No. 15 (2013): Vol 25 Issue 15

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Synthesis, Crystal Structure and Fluorescence Spectrum of a Europium Compound [Eu(NO3)3(H2O)4]·(C10H9N2)2·(NO3)2

https://doi.org/10.14233/ajchem.2013.14769B
Xiao-Ju Chen
College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, P.R. China
Wei-Ji Hu
Xingzhi College, Zhejiang Normal University, Jinhua 321004, P. R. China
Yi Qin
Xingzhi College, Zhejiang Normal University, Jinhua 321004, P. R. China
Guo-Liang Zhao
College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, P.R. China ; Xingzhi College, Zhejiang Normal University, Jinhua 321004, P. R. China

Corresponding Author(s) : Guo-Liang Zhao

sky53@zjnu.cn

Asian Journal of Chemistry, Vol. 25 No. 15 (2013): Vol 25 Issue 15

Abstract

A europium compound with the general molecular composition [Eu(NO3)3(H2O)4]·(C10H9N2)2·(NO3)2 was synthesized from 4,4'-bipyridyl and Eu(NO3)3·6H2O in ethanol and characterized by elemental analysis, molar conductance, IR, TG and X-ray crystallographically. The single-crystal X-ray diffraction studies demonstrated that compound is crystallize in triclinic system, space group Pi, with a = 0.8112(3) nm, b = 1.2797(3) nm, c = 1.5164(2) nm, a = 95.158º, b = 101.732º, g = 100.174º, V = 1.504(2) nm3, Z = 2, Mr = 848.46, F(000) = 848.0, Dc = 1.873 g cm-3, μ (M0Ka) = 1.056 mm-1. It turned out that three nitrate anions coordinate to Eu(III) as bidentate and four water molecules coordinate to Eu(III), forming a ten-coordination distorted dicapped square antiprism geometry. In addition, the luminescent property and fluorescence quenching interaction with EB-DNA have been studied. CCDC: 871243.

Keywords

Europium compound 4.4'-Bipyridyl Crystal structure Luminescent property EB-DNA
Chen, X.-J., Hu, W.-J., Qin, Y., & Zhao, G.-L. (2013). Synthesis, Crystal Structure and Fluorescence Spectrum of a Europium Compound [Eu(NO3)3(H2O)4]·(C10H9N2)2·(NO3)2. Asian Journal of Chemistry, 25(15), 8418–8422. https://doi.org/10.14233/ajchem.2013.14769B
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