Studies on Rare Earth Complexes with Open-chain Crown Ethers(Ⅶ)──Preparation,Characterization and Structure of Rare Earth Complexes with N,N'-Diethyltriglycollic Dianilide

Chemical Research in Chinese Universities ›› 1996, Vol. 12 ›› Issue (4): 332-339.

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Studies on Rare Earth Complexes with Open-chain Crown Ethers(Ⅶ)──Preparation,Characterization and Structure of Rare Earth Complexes with N,N'-Diethyltriglycollic Dianilide

GAN Xin-min^1,2, LIANG Zhi-jian^1,2, LU Tong-bu^1,2, TANG Ning^1,2, TAN Min-yu^1,2, YU Kai-bei³

1. Department of Chemistry, Lanzhou University, Lanzhou, 730000;
2. State Key Laboratory of Coordination Chemistry, Nanjing University, Hanjing, 210008;
3. Chengdu Centre of Analysis, Academia Sinica, Chengdu, 610015

Received:1995-12-25 Online:1996-12-24 Published:2011-08-17

Abstract

Abstract: Complexes[Ln(L)(Cl₂]Cl·3H₂O (Ln =La, Pr, Nd,Sm,Eu,Gd,Dy,Er and Lu)and[Lu(L)(H₂O)(NO₃ )₂]NO₃(L=N,N'-diethyltriglycollic dianilide)have been prepared in the nonaqueous medium,the new complexes of which have been characterized by means of elemental analysis,conductivity measurements,IRspectra,¹H NMR spectra and TG-DTA techniques.In all the complexes,the organic ligand showed tetradentate behaviour.The structure analysis of [Lu(L)(H₂O)(NO₃ )₂]NO₃ showed that the lutetiurn atom is nine-coordinated by one tetradentate ligand , two bidentate nitrate groups and one water molecule with the following mean bond lengths:Lu—O(etheric),0.2396;Lu—O(carbonyl),0.2245;Lu—O(nitrate),0.2397;Lu—O(water),0.2296 nm.

Key words: Rare earth, N,N'-diethyltriglycollic dianilide, Complex

GAN Xin-min, LIANG Zhi-jian, LU Tong-bu, TANG Ning, TAN Min-yu, YU Kai-bei. Studies on Rare Earth Complexes with Open-chain Crown Ethers(Ⅶ)──Preparation,Characterization and Structure of Rare Earth Complexes with N,N'-Diethyltriglycollic Dianilide[J]. Chemical Research in Chinese Universities, 1996, 12(4): 332-339.

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Studies on Rare Earth Complexes with Open-chain Crown Ethers(Ⅶ)──Preparation,Characterization and Structure of Rare Earth Complexes with N,N'-Diethyltriglycollic Dianilide

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