Multiproperty empirical anisotropic intermolecular potentials. II. HeSF6 and NeSF6

Abstract
Crossed molecular beam measurements of the total differential cross sections (DCS) for the scattering of He and Ne by SF6 are reported. Using anisotropic MSV potential forms and the IOS approximation to do the scattering dynamics, we determine anisotropic intermolecular potentials by simultaneously fitting the DCS, viscosities, virial, and diffusion coefficients. Damping of the diffraction oscillations in the DCS determines the anisotropy of the minimum position rm of the HeSF6 interaction; damping of the rainbow determines the anisotropy of the well depth ε of the NeSF6 interaction. Consistency between the systems verifies the accuracy of the resulting HeSF6 and NeSF6 potentials.