An accurate potential energy curve for helium based on ab initio calculations

Janzen, A.R.; Aziz, R.A.
July 1997
Journal of Chemical Physics;7/15/1997, Vol. 107 Issue 3, p914
Academic Journal
Constructs an ab initio potential energy surface for helium by fitting calculations using infinite order symmetry adapted perturbation theory. Fitting of calculations using infinite order symmetry; Accuracy of dispersion coefficients at long range to a modified Tang-Toennies potential form.


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