Density functional theory based molecular-dynamics study of aqueous iodide solvation

被引：54

作者：

Heuft, JM ^{[1
]}

Meijer, EJ ^{[1
]}

机构：

[1] Univ Amsterdam, Vant Hoff Inst Mol Sci, NL-1018 WV Amsterdam, Netherlands

来源：

JOURNAL OF CHEMICAL PHYSICS | 2005年 / 123卷 / 09期

关键词：

D O I：

10.1063/1.2013209

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We study the solvation of iodide in water using density functional theory based molecular-dynamics simulations. Detailed analysis of the structural and dynamical properties of the first solvation shell is presented, showing a disruptive influence of the ion on the local water structure. Iodide-water hydrogen bonding is weak, compared to water-water hydrogen bonds. This effective repulsive ion-water interaction leads to the formation of a quite unstructured solvation shell. The dynamics of water molecules surrounding the iodide is relatively fast. The intramolecular structural and electronical properties of water molecules around the ion are not affected. (C) 2005 American Institute of Physics.

引用

页数：5

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