 &control
    calculation = 'scf'
    restart_mode='from_scratch',
    prefix='Si',
    tstress = .true.
    tprnfor = .true.
    pseudo_dir = '/home/kondal/Softwares/Pseudo',
    outdir='./tmp'
 /
 &system
    ibrav=  2, celldm(1) =10.2625, nat=  2, ntyp= 1,
    ecutwfc =60.0, ecutrho=620, nbnd=10,
    occupations='tetrahedra'
    
 /
 &electrons
    diagonalization='david'
    mixing_mode = 'plain'
    mixing_beta = 0.7
    conv_thr =  1.0d-8
 /
ATOMIC_SPECIES,
 Si  28.086  Si.pbe-rrkj.UPF
ATOMIC_POSITIONS (alat) 
 Si 0.00 0.00 0.00
 Si 0.25 0.25 0.25

K_POINTS (automatic)
8 8 8 1 1 1



