&control
    calculation='phonon',
    prefix='Pb',
    pseudo_dir = '../../../../pp/',
    outdir='./',
    tprnfor = .true.,
    tstress = .true.,   
 /
 &system    
    ibrav = 2 , 
    celldm(1) = 9.2 , 
    nat=  1 , 
    ntyp = 1 , 
    ecutwfc = 40.0
    occupations = 'smearing'
    degauss = 0.05
 /
 &electrons
    mixing_beta = 0.7
    conv_thr =  1.0d-9
 /
 &phonon
  xqq(1) = XQ1
  xqq(2) = XQ2
  xqq(3) = XQ3
 /
ATOMIC_SPECIES
 Pb 207.2   Pb.pz-bhs.UPF
ATOMIC_POSITIONS crystal
Pb        0.000000000   0.000000000   0.000000000
K_POINTS AUTOMATIC
6 6 6 1 1 1