[Wien] problem with supercell

[Stefaan Cottenier]

> And I would like to ask one last question regarding the time of SCF
> calculation. I mean, how long SCF calculation does usually takes.

Impossible to say this in geneleral. Depending on computer speed, unit cell 
size (number of electrons), number of k-points and basis set size, everything 
between a few minutes and a few weeks can occur.

Stefaan