Improved potentials for Ne + Ar, Ne + Kr, and Ne + Xe

Abstract

Improved interatomic potentials for Ne-rare gas pairs have been obtained by fitting a multiparameter potential to low energy differential cross sections, second virial coefficients, and diffusion coefficients. All asymmetric Ne-rare gas potentials have narrower attractive wells than those of the symmetric rare gas pairs. The values of rm and ε for Ne+Ar, Ne+Kr, and Ne+Xe are 3.43 Å, 71.9°K; 3.58 Å, 74.5°K; and 3.75 Å, 75.0°K, respectively.