Input qe pbe diamond

gistfile1.txt

 &CONTROL
    prefix = 'C_bulk_pbe'
    calculation = 'vc-relax'
    verbosity = 'high'
    tstress=.true.
    pseudo_dir = '/lus/eagle/projects/catalysis_aesp/raymundohe/espresso/pseudo',
    forc_conv_thr = 1e-4,
 /

 &SYSTEM
    ecutwfc=120.00,
    occupations = 'smearing',
    degauss = 0.01,
    smearing = 'mv',
    input_dft = 'PBE',
    nat=8,
    ntyp=1,
    nspin=1
    ibrav=0
 /
 &ELECTRONS
   electron_maxstep = 200,
   conv_thr = 1e-8
 /

&IONS

/

&CELL
  cell_dofree='all'
/


ATOMIC_SPECIES
 C  12.000  C.pz-vbc.UPF

K_POINTS automatic
  8 8 8 1 1 1

CELL_PARAMETERS {bohr}
     6.92981470190494      0.00000000000000      0.00000000000000
     0.00000000000000      6.92981470190494      0.00000000000000
     0.00000000000000      0.00000000000000      6.92981470190494

ATOMIC_POSITIONS {bohr}
C    0.866227    4.331134    4.331134
C    6.063588    2.598680    2.598680
C    4.331134    4.331134    0.866227
C    2.598680    2.598680    6.063588
C    0.866227    0.866227    0.866227
C    6.063588    6.063588    6.063588
C    4.331134    0.866227    4.331134
C    2.598680    6.063588    2.598680