&control
    calculation='nscf'
 /
 &system
    ibrav=2, celldm(1) =7.50, 
    nat=1, ntyp=1, 
    ecutwfc =15.0,
    occupations='tetrahedra'
    nbnd=4
 /
 &electrons
 /
ATOMIC_SPECIES
 Al  26.98 Al.pz-vbc.UPF
ATOMIC_POSITIONS {alat}
 Al 0.00 0.00 0.00
K_POINTS {automatic}
 6 6 6 1 1 1