&inputph
  tr2_ph   =  1.0d-16
  prefix = 'p4x2'
  outdir   = './Siout/'
  fildyn   = 'Si.dyn'
  alpha_mix(5)= 0.5
  alpha_mix(7)= 0.3
  reduce_io = .true.
 /
-0.3750000  -1.2500000   0.0000000