| 乙腈-水-高氯酸钠体系弱作用力二维相关红外光谱研究 |
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| 引用本文： | 赖祖亮,武培怡.乙腈-水-高氯酸钠体系弱作用力二维相关红外光谱研究[J].化学学报,2006,64(23):2357-2364. |
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| 作者姓名： | 赖祖亮 武培怡 |
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| 作者单位： | (复旦大学高分子科学系 聚合物分子工程教育部重点实验室 上海 200433) |
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| 基金项目： | 国家杰出青年基金(No．20425415)，国家自然科学基金(Nos．20474013,20573022)，国家基础研究专项经费(No．2005CB623800)，教育部博士点基金(No．2005CB623800)，复旦大学“望道学者”(No．04070)资助项目． |
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| 摘 要： | 运用衰减全反射二维相关傅立叶变换红外光谱(ATR-2D-FTIR), 以浓度为外扰因素, 对乙腈(CH3CN)-水(H2O)-高氯酸钠(NaClO4)体系存在的一些弱作用力进行了研究. 结果表明体系中乙腈的CH3与水分子OH存在相互作用. 无机盐高氯酸钠的加入破坏了水分子的氢键结构, 阴阳离子分别与水发生相互作用. Na＋与氢键缔合水分子发生作用, 而非自由水分子. 无机盐的加入对体系中微观结构变化产生较大影响.
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| 关 键 词： | 乙腈-水-高氯酸钠溶液 ATR 二维相关 微观不均一性 |
| 收稿时间： | 04 11 2006 12:00AM |
| 修稿时间： | 2006-04-112006-08-06 |
Probing Weak Interactions of Acetonitrile-Water-Sodium Perchlorate Mixtures Using Two Dimensional (2D) Correlation Infrared Spectroscopy |
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| LAI Zu-Liang,WU Pei-Yi.Probing Weak Interactions of Acetonitrile-Water-Sodium Perchlorate Mixtures Using Two Dimensional (2D) Correlation Infrared Spectroscopy[J].Acta Chimica Sinica,2006,64(23):2357-2364. |
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| Authors: | LAI Zu-Liang WU Pei-Yi |
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| Institution: | (Department of Macromolecule Science and Key Laboratory of Molecular Engineering of Polymers, Ministry of Education, Fudan University, Shanghai 200433) |
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| Abstract: | A study of the weak interactions of acetonitrile-water-sodium perchlorate mixtures has been performed using attenuated total reflection two-dimensional FTIR spectroscopy (ATR-2D-FTIR). The results indicate that CH3 and OH in the mixtures have some weak interactions with each other. The inorganic salts, sodium perchlorate, disbond hydrogen-bonded structure of water. Some interactions have been found between ions of sodium perchlorate and water molecules. Cations of Na are combined with hydrogen-bonded water. Inorganic salts play an important role in changing the microstructure of the mixtures. |
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| Keywords: | acetonitrile-water-sodium perchlorate mixture ATR two-dimensional correlation microhet-erogeneity |
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