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SUGIMOTO, Yu
Denki kagaku oyobi kōgyō butsuri kagaku, 03/2021, Volume: 89, Issue: 2Journal Article
Recently, a smaller-ion shell (SiS) model was developed to describe the electrostatic interaction between ions in solutions (D. Fraenkel, Mol. Phys., 108, 1435 (2010)). The analytical formula based on the SiS model reproduces experimental data very well with only one fitting parameter (namely, ion size parameter, a). However, a numerical simulation of the SiS model does not agree with the analytical formula. This indicates that the analytical formula does not represent the SiS model correctly. Therefore, the ion size parameter (a) obtained by fitting Fraenkel’s analytical formula to the experimental data is physically meaningless.
