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

 &SYSTEM
    ibrav     = 4,
    celldm(1) = 4.654,
    celldm(3) = 3.0,
    nat  = 2,
    ntyp = 1,
    ecutwfc = 20.0,
    ecutrho = 200.0, 

 /
 
 &ELECTRONS
    conv_thr = 1.0d-8
 /
 
ATOMIC_SPECIES
   C  12.0107 C.pbe-rrkjus.UPF
   
ATOMIC_POSITIONS alat
   C    0.000000    0.0000000   0.000000
   C    0.000000    0.5773503   0.000000
   
K_POINTS automatic
   9 9 1   0 0 0
