期刊
JOURNAL OF CHEMICAL PHYSICS
卷 122, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.1829036
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资金
- NINDS NIH HHS [5F32NS042975] Funding Source: Medline
The solvation of simple ions in water is studied using molecular dynamics simulations with a polarizable force field. Previous simulations using this potential demonstrated that anions are more favorably solvated in water than cations. The present work is an attempt to explain this result by examining the effects of ions on the surrounding water structure, with particular focus on the first solvation shell and its interactions with the surrounding water. We conclude that while the first solvation shell surrounding cations is frustrated by competition between ion-water and water-water interactions, solvation of anions is compatible with good water-water interactions. (C) 2005 American Institute of Physics.
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