&CONTROL
                       title = 'si-110' ,
                 calculation = 'scf' ,
                      outdir = '$TMP_DIR/' ,
                  pseudo_dir = '$PSEUDO_DIR/' ,
                      prefix = 'si-110' ,
                     disk_io = 'high' ,
                   verbosity = 'high' ,
 /
 &SYSTEM
                       ibrav = 0,
                         nat = 4,
                        ntyp = 1,
                     ecutwfc = 25 ,
                     ecutrho = 225 ,
                       nosym = .true. ,
                        nbnd = 20,
                 occupations = 'smearing' ,
                     degauss = 0.01 ,
                    smearing = 'gaussian' ,
 /
 &ELECTRONS
                    conv_thr = 1.D-18 ,
 /
CELL_PARAMETERS bohr 
     7.343274350    0.000000000    0.000000000 
     0.000000000    7.343274346    0.000000000 
     0.000000000   -0.000000000   10.240261020 
ATOMIC_SPECIES
   Si   28.08600  Si.pw91-n-van.UPF 
ATOMIC_POSITIONS crystal 
   Si     -0.000000015   -0.000000015   -0.000000026    
   Si      0.499999985    0.499999985    0.499999974    
   Si     -0.000000015    0.499999985    0.749999974    
   Si      0.499999985   -0.000000015    0.249999973    
K_POINTS automatic 
  4 4 4   0 0 0