引用本文:
马爱增, 李来明, 曾广赋, 王翠英, 李涵. 稀土HEH[EHP]固体配合物的红外光谱[J]. 应用化学,
1989, 6(1): 41-45.
Citation: Ma Aizeng, Li Laiming, Zeng Guangfu, Wang Cuiying, Li Han. INFRARED SPECTRA OF RARE EARTH COMPLEXES OF 2-ETHYLHEXYL PHOSPHONIC ACID MONO(2-ETHYLHEXYL)ESTER[J]. Chinese Journal of Applied Chemistry, 1989, 6(1): 41-45.
Citation: Ma Aizeng, Li Laiming, Zeng Guangfu, Wang Cuiying, Li Han. INFRARED SPECTRA OF RARE EARTH COMPLEXES OF 2-ETHYLHEXYL PHOSPHONIC ACID MONO(2-ETHYLHEXYL)ESTER[J]. Chinese Journal of Applied Chemistry, 1989, 6(1): 41-45.
稀土HEH[EHP]固体配合物的红外光谱
English
INFRARED SPECTRA OF RARE EARTH COMPLEXES OF 2-ETHYLHEXYL PHOSPHONIC ACID MONO(2-ETHYLHEXYL)ESTER
Abstract:
The solid complexes of La, Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho, Er,Tm, Yb, Lu, and Y with 2-ethylhexyl phosphonic acid mono(2-ethylhexyl)ester were prepared.FTIR spectra of these complexes have been studied and the principal infrared absorption bands have been assigned for region 4000-100cm-1.The 150cm-1 is believed to be Ln-O stretching vibration band, and the band near 250cm-1 is the coupling band of COPO, CCPO skeleton torsion vibration with Ln-O bond. The experimental result showed that Ln-O bonds in these rare earth complexes are principally ionic.,The FO2 coordination with rare carth is in bridging form. A Volymeric model of the complexes is proposed(Fig. la)
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Key words:
- Rare earth complex
- / Phosphonic acid ster
- / FT Infrared spectrum
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