INPUT_PARAMETERS
suffix dfpt
calculation scf
esolver_type dfpt
basis_type pw
ntype 1
nspin 1
nelec 8
nbands 8
ecutwfc 60
scf_thr 1e-6
scf_nmax 160
dft_functional pbe
symmetry 0
ks_solver cg
smearing_method fixed
mixing_type broyden
mixing_beta 0.3
cal_force 1
cal_stress 0
out_chg 0
dfpt_qmesh 1 1 1
dfpt_compute_q0 0
dfpt_loto 0
dfpt_conv_thr 1e-6
dfpt_max_iter 160
dfpt_mix_beta 0.2
