phonons dispersion
 &inputph
  tr2_ph=1.0d-18,
  prefix='FCS',
  ldisp=.true.,
  alpha_mix = 0.1
  nq1=5, nq2=5, nq3=5
  amass(1)=51.996,
  amass(2)=28.086,
  amass(3)=55.847,
  amass(4)=55.847,
  outdir='/data/hamad/tmp-heusler/',
  fildyn='FCS.q555.dyn',
 /