| 光谱学与光谱分析 |
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| Synthesis and Characterization of Mixed Ligand Complexes Rare Earth with 2,3-Dimethoxylbenzoic Acid and 1,10-Phenanthroline |
| LI Xia，REN Gui-fen，LIU Meng-you，SONG Bao-hua |
| Department of Chemistry，Capital Normal University, Beijing 100037, China |
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Abstract The quaternary mixed anion of rare earth with 2,3-dimethoxylbenzoic acid and 1,10-phenanthroline has been synthesized from the water-ethanol solution. Elemental analysis shows that the complexes general formula is RE(2,3-DMOBA)2NO3Phen(RE=La, Nd, Eu, Dy). The complexes are characterized by IR, UV, TG-DTA analysis. ν2+ν5，ν2+ν6 of NO-3 are observed in 1 772 and 1 737 cm-1 in IR spectra of complexes, it shows that NO-3 group is in a bridging-chelating mode in which two O atoms chelate to RE3+ ions. UV spectra of ligand and complexes are different, it shows that ligand 2,3-dimethoxylbenzoate and 1,10-phenanthroline coordinate to RE3+ ions. Visible absorption spectra of Nd(2,3-DMOBA)2NO3Phen show that hypersensitive transition of neodymium.
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Received: 2003-12-16
Accepted: 2004-03-28
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Corresponding Authors:
LI Xia
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| Cite this article: |
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LI Xia,REN Gui-fen,LIU Meng-you, et al. Synthesis and Characterization of Mixed Ligand Complexes Rare Earth with 2,3-Dimethoxylbenzoic Acid and 1,10-Phenanthroline [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(11): 1410-1411.
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http://www.gpxygpfx.com/EN/Y2004/V24/I11/1410 |
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