 &CONTROL
    calculation = 'nscf',
    prefix      = 'Graphene_1x1_PBE',
    ! otudir      = '/tmp',
    pseudo_dir  = '.',        
 /

 &SYSTEM
    ibrav     = 4,
    celldm(1) = 13.962,
    celldm(3) = 3.0,
    nat  = 18,
    ntyp = 1,
    ecutwfc = 20.0,
    ecutrho = 200.0,

    occupations='tetrahedra_opt'
 /
 
 &ELECTRONS
    conv_thr = 1.0d-8
 /
 
ATOMIC_SPECIES
   C  12.0107 C.pbe-rrkjus.UPF
   
ATOMIC_POSITIONS alat
   C 0.000000000   0.000000000   0.000000000
   C -0.166666601   0.288675020   0.000000000
   C -0.333333202   0.577350042   0.000000000
   C 0.333333202   0.000000000   0.000000000
   C 0.166666601   0.288675020   0.000000000
   C 0.000000000   0.577350042   0.000000000
   C 0.666666404   0.000000000   0.000000000
   C 0.499999803   0.288675020   0.000000000
   C 0.333333202   0.577350042   0.000000000
   C 0.000000000   0.192450025   0.000000000
   C -0.166666601   0.481125045   0.000000000
   C -0.333333202   0.769800065   0.000000000
   C 0.333333202   0.192450025   0.000000000
   C 0.166666601   0.481125045   0.000000000
   C 0.000000000   0.769800065   0.000000000
   C 0.666666404   0.192450025   0.000000000
   C 0.499999803   0.481125045   0.000000000
   C 0.333333202   0.769800065   0.000000000
   
K_POINTS automatic
   12 12 1 0 0 0
