Synthesis and Characterization of Lanthanide Complexes with H2salen Ligand and Their Spectral Behavior

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (4): 1-5.

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Synthesis and Characterization of Lanthanide Complexes with H₂salen Ligand and Their Spectral Behavior

Lu Gui¹, Yao Kemin¹, Chen Weiguo², Shen Lianfang ³, Yuan Hanzhen³

1. Department of Chemistry, Zhejiang University, Hangzhou 310027;
2. Department of Chemistry, Hangzhou University, Hangzhou;
3. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics, Chinese Academy of Sciences, Wuhan

Received:1996-10-20 Revised:1997-05-19 Published:1997-08-10 Online:1997-08-10

Abstract

Abstract: A synthetic method of LnH₂salen complexes was described and a series of binuclear complexes were obtained. The complexes were characterized by elemental analysis, TG DTA, UV IR spectroscopy, magnetic susceptibility,¹H,¹³C NMR measurements and the ¹³C-spin-lattic relaxation time was investigated for elucidation of their complexation. The composition of the complexes obtained were confirmed as [Ln₂(H₂salen)₃(NO₃)₄)₃(NO₃)₄](NO₃)₂?3H₂O, where Ln=La, Pr, Nd, Sm, Gd, Tb, Er, Yb, and Y. A possible structure was suggested and the catalytic activity of the complexes for MMA polymerization was discussed.

Key words: H₂salen, lanthanide complex, binuclear complex, synthesis, spectral behavior

Lu Gui, Yao Kemin, Chen Weiguo, Shen Lianfang , Yuan Hanzhen. Synthesis and Characterization of Lanthanide Complexes with H₂salen Ligand and Their Spectral Behavior[J]. Chinese Journal of Applied Chemistry, 1997, 0(4): 1-5.

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Synthesis and Characterization of Lanthanide Complexes with H₂salen Ligand and Their Spectral Behavior

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