Synthesis and Spectral Investigation of Rare Earth (III) Complexes of Amido Acid Ligand Derived From 2,4-Dinitrophenylhydrazine

Xu Shen Department of Synthetic Chemistry, Shanghai Institute of Materia Medica, Sinica, Shanghai, 200031, China

Yuyuan Xie Department of Synthetic Chemistry, Shanghai Institute of Materia Medica, Sinica, Shanghai, 200031, China

Liping Wang Department of Synthetic Chemistry, Shanghai Institute of Materia Medica, Sinica, Shanghai, 200031, China

Guizhu Chen Chemistry Department, East China Normal University, Shanghai, 200062, China

Chuangzheng Zhu Chemistry Department, East China Normal University, Shanghai, 200062, China

Abstract

Fourteen rare earth(III) complexes REL₃ -nH₂O (where RE = Sc, n = 5; RE = Y, La, Ce, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb, n = 6; RE = Pr, Nd, n = 4; HL = 1 -(N-carboxymethy1-N-pheny1)amino-acetyl-2′,4′-dinitrophenylhydrazine), have been synthesized and characterized by elemental analyses, conductance measurements, magnetic moments, IR, ¹H NMR, electronic spectra, TG and DTA. Their nephelauxetic ratio (ß), bonding parameter (b^½), Sinha's parameter (δ%) and covalency angular overlap parameter (δ%) have been determined for the Pr.³⁺, Nd³⁺and Er³⁺ complexes.

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Synthesis and Spectral Investigation of Rare Earth (III) Complexes of Amido Acid Ligand Derived From 2,4-Dinitrophenylhydrazine

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Synthesis and Spectral Investigation of Rare Earth (III) Complexes of Amido Acid Ligand Derived From 2,4-Dinitrophenylhydrazine

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