quantum-espresso/test-suite/ph_U_insulator_us/BN.phq.in

phonons of BN at finite q
 &inputph
  tr2_ph    = 1.0d-14,
  prefix    = 'bn',
  outdir    = './'
  fildyn    = 'bn.dynq',
  verbosity = 'medium'
 /
0.000000000   0.000000000  -0.116279070