Where Can I Find A Nuclide Shape Chart?

[tetrahedron]

Hi again, folks. I'm looking for a chart of nuclear isotopes organized by ellipsoidal deformational shape. Most known isotopes are prolate ellipsoids of revolution, many others are oblate. Only relatively few are spheres, and the rest have even more complex shapes.

 

I'm hoping to derive an equation that is able to predict the shapes based on the absolute and relative numbers of protons and neutrons. I've already been able to do this for total shell energies and shell structures in terms of their suborbital components, not to mention a Madelung-rule analogue.

 

Anyway, I recall long ago seeing a chart showing the isotopes with their accompanying shape data, but can't remember the source. I'm doing a web search now, but haven't found what I'm looking for yet. Any hints would be most welcome. Thanks very much!

 

Jess Tauber