phonons of GaAs
&inputph
  tr2_ph = 1.0d-14
  prefix = 'GaAs'
  outdir = './tmp/'
  fildyn = 'GaAs.dynG'
  epsil	 = .true.
  zeu    = .true.
  trans  = .false.
/
0.0  0.0  0.0