The following scf files were created in the directory: case.scf case.scf0 case.scfm case.scf1dn case.scf1up case.scf2dn case.scf2up case.scfcdn case.scfcup case.scf0_grr The band gap was read from case.scf2up or case.scf2dn (both had same values) With Regards Aditya Pande