期刊
JOURNAL OF CHEMICAL PHYSICS
卷 134, 期 7, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3555761
关键词
-
资金
- National Science Foundation (NSF) [OCI-0904685]
The temperature dependence of structural properties and thermodynamic behavior of water clusters has been studied using Wang-Landau sampling. Four potential models, simple point charge/extended (SPC/E), transferable intermolecular potential 3 point (TIP3P), transferable intermolecular potential 4 point (TIP4P), and Gaussian charge polarizable (GCP), are compared for ground states and properties at finite temperatures. Although the hydrogen bond energy and the distance of the nearest-neighbor oxygen pair are significantly different for TIP4P and GCP models, they approach to similar ground state structures and melting transition temperatures in cluster sizes we considered. Comparing with TIP3P, SPC/E model provides properties closer to that of TIP4P and GCP. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3555761]
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