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