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镧系离子与吡啶类氮氧化物及噻吩甲酰三氟丙酮三元配合物
引用本文:朱文祥,陈素华,战玉华.镧系离子与吡啶类氮氧化物及噻吩甲酰三氟丙酮三元配合物[J].北京师范大学学报(自然科学版),1994(3).
作者姓名:朱文祥  陈素华  战玉华
作者单位:北京师范大学化学系
摘    要:合成和鉴定了2组组成为Ln(L)(TTA)3三元配合物(Ln=La,Nd,Eu,Tb,Yb;L1=phenNO,L2=bipyN2O2).通过元素分析、电导测定、紫外、IR光谱对化合物组成进行了鉴定,并讨论了它们的稳定性和配位结构。荧光光谱研究表明,Eu(phenNO)(TTA)3配合物中Eu3+仅具有一种格位对称性,配合物不具有反演中心。

关 键 词:镧系  邻-菲罗啉单氮氧化物  联吡啶双氮氧化物  噻吩甲酰三氟丙酮  三元配合物

STUDY ON THE TERNARY COMPLEXES OF LANTHANIDE IONS WITH PYRIDINE DERIVATIVES AND THENOYLTRIFLUOROACETONE
Zhu Wenxiang, Chen Suhua, Zhan Yuhua.STUDY ON THE TERNARY COMPLEXES OF LANTHANIDE IONS WITH PYRIDINE DERIVATIVES AND THENOYLTRIFLUOROACETONE[J].Journal of Beijing Normal University(Natural Science),1994(3).
Authors:Zhu Wenxiang  Chen Suhua  Zhan Yuhua
Abstract:The syntheses and characterizations of the title ternary complexes are reported. The composition Ln(L)(TTA)3 (Ln=La , Nd , Eu , Yb; L1=phenNO, L2= bipy N2O2) of the complexes are determined by elemental analysis, molar conductance, UV spectra and IR spectra. Their thermal stabilities and coordination structure are discussed. The fluorescence spectrum of 77K shows that Eu3+ in Eu(phenNO)(TTA)3 only has one kind of site syminetry and the complex has no inversion centre.
Keywords:lanthanide  1  10-phenanthroline-N-oxide  bipyridine-N-dioxide  thenoyltrifluoroacetone  ternary complex
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