On Wed, 22 Jul 2009, Richard Hennessy wrote:
> My exponent is somewhat of a curious thing I noticed but it is just
> a numerically derived result.
There's a perturbation-expansion approach to the same problem in
R?camier and Roc?o J?uregui, 1992, Int. J. Quantum
Chem. 44(S26):153-160, doi:10.1002/qua.560440814 - you could try
fitting a power law to their tabulated results to see if you get the
same exponent as in your numerics.
--
HTH,
Dan