&control
    title = 'scf_calculation',
    calculation = 'scf',
    prefix = 'C.scf',
    outdir = './tmp/'
    pseudo_dir = '/home/joydeep/Codes/pseudo',
    tefield = .false.
    verbosity='high'
/
 &system
    nosym=.true.
    noinv=.true.
    ibrav =  0,
    nat =  2,
    ntyp = 1,
    nbnd=20,
    ecutwfc = 30,
    ecutrho = 120,
    occupations = "smearing",
    degauss = 0.002
 /
 &electrons
    conv_thr = 1.D-8 ,
    mixing_beta = 0.6,
    diagonalization = "cg"
 /
 &ions
 /
  ATOMIC_SPECIES
    Si  12.011  Si.pz-vbc.UPF
 CELL_PARAMETERS {angstrom}
0.0  2.700  2.700
2.700  0.0  2.700
2.700  2.700  0.0
ATOMIC_POSITIONS {angstrom}
Si  0.0  0.0  0.0 
Si  1.35  1.35  1.35
K_POINTS {automatic}
5 5 5 0 0 0

