> Why? How many of them are there?? 12.I just repeat the calculation which have been done yet.In that paper do not have the flat bands. > Ba 137.327 Ba.pbe-nsp-van.UPF > > This pseudopotential has semi-core states 5S and 5P in valence; times 2 > atoms it makes 6 flat bands. Is not the matter with smearing at all?