[Wien] slabs and cluster

[Stefaan Cottenier]

> I want to know if wien2k code can perform calculation on slabs or cluster.

Yes.

> Another, If I want to calculate surface a crystal or slabs, how should I
do?

Make a case.struct that contains the desired vacuum (in one dimension for a
slab, in 3 dimensions for a cluster). Do it either manually or -- for some
types of lattices -- assisted by the supercell program.

Stefaan