Citation: LI Dong-Ping, LIU Qi, LIAN Qing-Yun, JIAO Xiao-Yan, LI Yong-Xiu. Synthesis, Crystal Structure and Luminescent Property of an Eu³⁺ Complex[J]. Chinese Journal of Structural Chemistry, ;2014, 33(10): 1539-1544. shu

Synthesis, Crystal Structure and Luminescent Property of an Eu³⁺ Complex

1.
Department of Chemistry, Nanchang University, Nanchang 330031, China

Corresponding author: LI Yong-Xiu,
Received Date: 14 April 2014
Available Online: 12 June 2014
Fund Project: Supported by the National Natural Science Foundation of China (21101090) (21101090) the Natural Science Foundation of Jiangxi Province (20114BAB213001) (20114BAB213001)the Education Department of Jiangxi Province (GJJ12041) (GJJ12041)

A new Eu(Ⅲ) complex, {[Eu(tta)₂(C₂H₅OH)(NO₃)]₂(bmp)}·bmp (tta=2-thenoyltrifluoro-acetonate, bmp=2,2'-bipyrimidine), has been synthesized and characterized by elemental analysis, IR, luminescence and single-crystal X-ray diffraction analysis. The complex crystallizes in the monoclinic P2₁/n space group, with a=11.894(6), b=14.235(8), c=19.078(10) Å, β=103.423(9)°, V=3142(3) Å³, Z=2, M_r=1721.10, D_c=1.819 g/cm³, F(000)=1696, the final R=0.0452 and wR=0.1398 for 5375 observed reflections with I>2σ(I). In the complex, each Eu(Ⅲ) ion is coordinated with four oxygen atoms from two tta ligands and two nitrogen atoms from a bmp ligand, three oxygen atoms from one NO₃^- anion and one ethanol molecule, forming a distorted tricapped trigonal prism geometry. Luminescence measurement indicates that the europium complex is a strong red emitter in the solid state at room temperature.
- Eu(Ⅲ) complex,
- luminescence,
- β-diketone
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