| 高价钼络合物化学——(Ⅱ) ESR和磁化率研究五价钼半胱氨酸体系的酸解反应 |
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| 引用本文： | 洪茂椿,黄致盈,等.高价钼络合物化学——(Ⅱ) ESR和磁化率研究五价钼半胱氨酸体系的酸解反应[J].波谱学杂志,1990,7(1):55-60. |
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| 作者姓名： | 洪茂椿 黄致盈 |
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| 作者单位： | 中国科学院福建物质结构研究所, 福州市结构化学开放研究实验室 |
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| 摘 要： | 本文利用ESR和磁化率为手段研究了二钼半胱氨酯系列化合物,Na2Mo2(μ2-X)(μ2-Y)-O2(cyst)2(X=Y=O,(Ⅰ);X=O,Y=S,(Ⅱ);X=Y=S,(Ⅲ)),在不同浓度的盐酸溶液中离解的机制,并讨论了不同桥原子对该系列化合物化学稳定性的影响。
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| 关 键 词： | 二钼半胱氨酸络合物 ESR 酸解反应 |
| 收稿时间： | 1989-01-25 |
THE CHEMISTRY OF HIGH-VALENCE MOLYBDENUM:(Ⅱ)ESR AND MAGNETIC SUSCEPTIBILITY STUDY ON THE DISSOCIATION OF DIMOLYBDENUM (V)-CYSTEINE COMPLEXES |
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| Hong Maochun,Huang Zhiying,Liu Hanqin.THE CHEMISTRY OF HIGH-VALENCE MOLYBDENUM:(Ⅱ)ESR AND MAGNETIC SUSCEPTIBILITY STUDY ON THE DISSOCIATION OF DIMOLYBDENUM (V)-CYSTEINE COMPLEXES[J].Chinese Journal of Magnetic Resonance,1990,7(1):55-60. |
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| Authors: | Hong Maochun Huang Zhiying Liu Hanqin |
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| Institution: | Fuzkou Laboratory of Structural Chemistry, and Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002 Fujian China |
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| Abstract: | In hydrochloric acid, the dimolybdenum (V)-cysteine complexes, Na2Mo2O2 (μ2-X)(μ2-Y)(cysteine)2,(X=Y=oxygen(Ⅰ);X=oxygen,Y=sulfur(Ⅱ), give an ESR signal at 1.947, the strength of the signal increases with the enhancement of the concentration of hydrochloric acid. The complex (Ⅲ), Na2Mo2O2 (μ2-S)2(cysteine)2, gives an analogous signal only in concentrated acid. By comparing the data of magnetic susceptibility and electron spectrum, the dissociation mechanism of the complexes in hydrochloric acid is assumed and the chemical stability of the complexes affected by bridged atoms is also discussed. |
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| Keywords: | Dimolybdenum (V)-cysteine complexes ESR Dissociation |
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