Molecular dynamics simulation of liquid CH2Cl2 with 3×3 and 5×5 site-site interactions

M Ferrario, M.W. Evans
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引用次数: 5

Abstract

A molecular dynamics simulation of liquid CH2Cl2 is compared with the far infrared spectrum at the same state point (293K, 1 bar). Two representations of the force field are used, a 3×3 and 5×5 site-site interaction consisting of Lennard-Jones and charge terms. The far infra-red spectrum shows unambiguously that the 5×5 representation is more realistic in the sense that it reproduces the observed spectrum more closely.

液体CH2Cl2与3×3和5×5位点-位点相互作用的分子动力学模拟
对液态CH2Cl2的分子动力学模拟与相同状态点(293K, 1 bar)的远红外光谱进行了比较。使用了力场的两种表示形式,即3×3和5×5由Lennard-Jones和电荷项组成的位点-位点相互作用。远红外光谱明确地表明5×5表示更真实,因为它更接近地再现了观测到的光谱。
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