| 光谱学与光谱分析 |
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| Synthesis and Spectroscopic Analysis of Complex α-Na7H[GaW9Fe3(H2O)3O37]·16H2O |
| WANG Li，WANG Xiu-li，HOU Yu，WANG En-bo* |
| Department of Chemistry, Northeast Normal University, Changchun 130024, China |
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Abstract α-Na7H[GaW9Fe3(H2O)3O37]·16H2O has been synthesized and it′s IR, UV, ICP and XPS, have been studied. The IR spectrum exhibits νas(W—Oa—W)，νas(W—Ob—W)，νas(W—Oc—W) and νas(W—Od—W) four peaks, which indicates that it has Keggin structure. The UV spectrum has two peaks, at 210 and 268 nm, corresponding to Od—W→pπ-dπ and Ob/Oc→pπ-dπ. Ob/Oc→pπ-dπ is character peak. Both GaW9 and GaW9Fe3 have a 4 electrons reductive peaks，with E1/2 of GaW9 minus even more，the GaW9Fe3 is α. Mssbauer spectrum has been studied. Effective magnetic moment is 6.00×10-23A·m2. The Mssbauer spectrum at 75 K shows an isomer shift δ=0.43 mm·s-1, within the range of 0.3 to 0.6 mm·s-1 observed for high-spin iron(Ⅲ) complexes. The authors found that title complex has antiferromagnetic properties. These kinds of heteropoly compounds have attracted our attention for the study of new materials.
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Received: 2002-07-26
Accepted: 2002-11-06
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Corresponding Authors:
WANG En-bo
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| Cite this article: |
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WANG Li,WANG Xiu-li,HOU Yu, et al. Synthesis and Spectroscopic Analysis of Complex α-Na7H[GaW9Fe3(H2O)3O37]·16H2O [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(05): 613-615.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I05/613 |
[1] Wang Li, Liu Zongrui, Wang Enbo. Chemical Research in Chinese Universities, 1997, 13(4)： 358.
[2] WANG Li, WANG En-bo et al(王 力, 王恩波等). Chemical Journal of Chinese Universities(高等学校化学学报)，1997，18(6)： 846.
[3] Müller A. Angew. Chem. Int. Engl.，1999, 38： 3238.
[4] Müller A. Angew. Chem. Int. Engl.，1998, 37： 3360.
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