quantum-espresso/TDDFPT/Examples/CH4-ENVIRON/CH4.tddfpt-in

&lr_input
    prefix="CH4",
    outdir='./out',
    restart_step=250,
    restart = .false.
    lr_verbosity = 1
/
&lr_control
    itermax=500,
    pseudo_hermitian = .true.
    ipol=4
    n_ipol = 3
/