化学学报 ›› 1989, Vol. 47 ›› Issue (7): 633-636. 上一篇    下一篇

研究论文

稀土配合物的研究 I: 镧系元素与4-酰代-双吡唑啉酮及1,10-二氮杂菲的混配配合物的合成及表征

杨鲁勤;杨汝栋;董文基;刘建民   

  1. 兰州大学化学系
  • 发布日期:1989-07-15

Studies on the rare earth coordination compounds I: Synthesis and characterization of novel mixed ligand complexes of lanthanide ions with 4-acetyl-bispyrazolone and 1,10-phenanthroline

YANG LUQIN;YANG RUDONG;DONG WENJI;LIU JIANMIN   

  • Published:1989-07-15

用镧系硝酸盐与1,6-双(1'-苯基-3'-甲基-5'-氧代吡唑-4'-基)-1,6-己二酮(1,H2L)和1,10-二氮杂菲(2, Phen)在乙醇-水溶液中, 于PH5-6时合成了12种新的固态配合物Ln2L3Phen2. 4H2O(Ln=Pr, Nd, Sm-Lu)。用元素分析、水份及配体分析、红外、紫外,质子核磁共振、荧光光谱和热分析鉴定了所有的配合物, 从而推测, 可能L是四啮配体,Phen是二啮配体。

关键词: 紫外分光光度法, 红外分光光度法, 核磁共振谱法, 镧系元素, 吡唑酮 P, 三元络合物, 稀土金属络合物, 二氮杂菲 P, 荧光特性, 热谱

Ln2L3(Phen)2.4H2O [Ln = Pr, Nd, Sm-Lu; H2L = 1,6-bis(1'-phenyl-3'-methyl-5'-pyrazolonyl-4')-1,6-hexanedione; phen = 1,10-phenanthroline] were prepared by the reaction of Ln(NO3)3 with H2L and phen in aqueous ethanol solution at pH 5-6 and characterized by elemental analyses, IR, UV, 1H NMR, fluorescence spectra and thermal anal.

Key words: ULTRAVIOLET SPECTROPHOTOMETRY, INFRARED SPECTROPHOTOMETRY, NMR SPECTROMETRY, LANTHANON, PYRAZOLONE P, TERNARY COMPLEX, RARE EARTH METAL COMPLEX, PHENANTHROLINE P, FLUORESCENCE CHARACTERISTIC, THERMOGRAPHY

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