Abstract

A potential energy surface for the O 2Ar system has been obtained by a multiproperty analysis. The absolute integral cross sections at thermal energy, the high energy scattering cross sections, the second virial coefficients, and the P and R branches in the absorption infrared spectrum of the O 2Ar van der Waals molecule, have been analyzed in order to obtain the isotropic component of the interaction. This average potential curve shows a minimum of 11.5 meV at 3.72 Å. The quenching of glory structure and some features of the infrared spectrum have been used to extract information on the anisotropic component.

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