Normal modes for CO2
 &inputph
  tr2_ph=1.0d-14,
  prefix='CO2',
  amass(1)=12.010,
  amass(2)=15.999,
  outdir='/home/pietro/espresso-svn/tempdir'
  epsil=.true.,
  trans=.true.,
  asr=.true.
  ! lraman=.true.
  fildyn='dmat.co2'
 /
 0.0 0.0 0.0