On an explicit semiclassical analytic formula for model potential parameters of diatomic molecules

We provide numerical values of parameters of a closed form semiclassical formula which gives the power expansion coefficients of the internuclear Born-Oppenheimer potential of diatomic molecules in terms of the experimental Dunham coefficients. These power expansion coefficients are useful as a first-order approximation to the potential and as best initial guess for the obtainment of more refined quantum values.