[Wien] Regarding to Murnaghan Equation in volume optimization

[Stefaan Cottenier]

> I am a new one in WIEN2k. I am working on the volume
> optimization now. The optimizer provided by WIEN2k
> does work for me. But I tried to figure out how the
> program get the parameters such B0, V0, Bp etc from
> the Etot~Volume. Any one know the Murnaghan Equation
> used by this software. Thanks.

The equations are printed in case.outputeos. Up to some versions ago, some 
terms were omitted in this print-out (but they were correctly used 
internally). I'm not sure whether this has been updated meanwhile. Search 
the digest of the mailing list for 'Murnaghan' to see the full equations.

Stefaan