Time-dependent pair distribution functions based on Smoluchowski equation and application to an electrolyte solution
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Published on: August 12, 2013
Kento Kasahara1, Hirofumi Sato1,2
1Department of Molecular Engineering, Kyoto University, Kyoto, 615-8510, Japan.
Abstract:
Time-dependent pair distribution function characterizes the diffusion of pairs of molecules in liquids. In the diffusion regime, the function is described with three-dimensional Smoluchowski equation. We propose a scheme to numerically calculate the function between polyatomic and monoatomic species based on the Smoluchowski equation. The present scheme is successfully applied to the diffusion of Ar-Ar pair in liquid Ar and ethylene carbonate (EC)-Li+ pair in 1 M LiPF6 /EC electrolyte solution. © 2018 Wiley Periodicals, Inc.
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