quantum-espresso/TDDFPT/examples/example06/reference/CH4.tddfpt.in

 &lr_input
   prefix = 'CH4',
   outdir = '/scratch/timrov/WORK_Hubbard/Z_git/work2_QE_fork/q-e/tempdir/',
   restart_step = 250,
   restart = .false.
 /
 &lr_control
   itermax = 500,
   ipol = 4
 /