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Citation: LI Xia, LIU Meng-You, QIANG Hong. Synthesis,Crystal Structure and Luminescent Property of Complex[Tb(2-FC₆H₄COO)₃·C₁₀H₈N₂]₂[J]. Chinese Journal of Applied Chemistry, ;2005, 22(12): 1378-1380. shu

Synthesis,Crystal Structure and Luminescent Property of Complex[Tb(2-FC₆H₄COO)₃·C₁₀H₈N₂]₂

1.
Department of Chemistry, Capital Normal University, Beijing 100037

Corresponding author: LI Xia,
Received Date: 25 January 2005
Available Online: 12 May 2005
Fund Project: 北京市教育委员会科技发展计划面上项目(KM200510028007) (KM200510028007)

Complex[Tb(2-FC₆H₄COO)₃·C₁₀H₈N₂]₂ was synthesized from TbCl₃·nH₂O,2-fluorobenzoic acid,and 2,2'-bipyridine(C₁₀H₈N₂]₂).The crystals are monoclinic with space group P2₁/n,and the crystal parameters are:a=1.219 1(4) nm,b=1.777 4(6) nm,c=1.371 5(4) nm,β=111.400(5),M=732.41,V=2.767(15) nm³,Z=4,D_calc=1.758 g/cm³,T=293(2) K.The final R=0.030 2,wR=0.054 7.The two Tb³⁺ ions are linked together by four 2-fluorobenzoate groups in a bridging mode to form a dimeric unit.Each Tb³⁺ ion is also chelated by one 2-fluorobenzoate group and one 2,2'-bipy ligand,making a coordination number of eight.There are four emission peaks in the luminescence spectrum at 490,545,584,and 618 nm,corresponding to the transitions of the Tb³⁺ ion:⁵D₄→⁷D₆,⁵D₄→⁷D₅,⁵D₄→⁷D₄,and ⁵D₄→⁷D₃,respectively.
- terbium,
- fluorobenzoic acid,
- mixed ligand complex,
- crystal structure,
- luminescent property
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Synthesis,Crystal Structure and Luminescent Property of Complex[Tb(2-FC₆H₄COO)₃·C₁₀H₈N₂]₂