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Cavity size in reaction field theory [Review]

机译:反应场理论中的腔尺寸[综述]

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The optimum size of the cavity accommodating a solute in the reaction field theory of solvation is considered by empirical calibration of the results of electronic structure calculations against experiment. To isolate the long range electrostatic free energy contributions treated by reaction field theory from the many other short range contributions not explicitly considered, computational results are compared to experimental determinations of conformational free energy differences in polar solutes having two or more stable or metastable isomers. When the cavity shape is defined by a solute electronic isodensity contour, it is found that the best overall agreement with experiment is obtained with a cavity size corresponding to the 0.001 a.u. contour. (C) 1998 American Institute of Physics. [S0021-9606(98)00348-1]. [References: 115]
机译:通过对实验的电子结构计算结果进行经验校准,可以考虑溶剂化反应场理论中容纳溶质的空腔的最佳尺寸。为了将反应场理论处理的远距离静电自由能贡献与其他许多未明确考虑的短距离贡献隔离开来,将计算结果与具有两个或多个稳定或亚稳定异构体的极性溶质中构象自由能差的实验测定结果进行比较。当腔体形状由溶质电子等值线轮廓定义时,发现腔体尺寸对应于0.001 a.u可获得与实验的最佳总体一致性。轮廓。 (C)1998美国物理研究所。 [S0021-9606(98)00348-1]。 [参考:115]

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