Studies on the Synthesis and Bonding Specificity of Rare Earth (Ⅲ) Complexes with Naphthyloxyacetic acid

Abstract

Abstract: Seven new solid complexes of rare earth (Ⅲ) with naphthyloxyacetate ion with a general formula of Ln(NOA)₃·xH₂O(Ln = La³⁺, Nd³⁺, Sm³⁺, Gd³⁺, Tb³⁺, Dy³⁺, x = 2; Ln = Y³⁺, x=1; NOA = C₁₀H₇OCH₂COO^-) were synthesized in aqueous solutionThe electronic spectra of complexes were observedThe molar conductance data show that the complexes do not ionize in DMFIRspectra and ¹H NMRspectra or XPSmeasurement indicate that the rare earth (Ⅲ) ions are coordinated with the carboxylate ions in Ln(NOA)₃·xH₂Ocomplexes, and these coordinate bonds are not purely ionic ie., but have some covalent character.

Key words: Rare earth, a-Naphthyloxyacetic acid, Complexesz

TrendMD:

CAO Jin-rong, WANG Ze-min, ZHU Fu-sen, WANG Ting . Studies on the Synthesis and Bonding Specificity of Rare Earth (Ⅲ) Complexes with Naphthyloxyacetic acid[J]. Chem. J. Chinese Universities, 1992, 13(2): 157.

References

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