&control
    calculation = 'scf'
    title = 'TDDFPT CH4 Test (Environ)'
    restart_mode='from_scratch',
    pseudo_dir = '../pseudo',
    outdir='./out',
    prefix='CH4'
/
&system
    ibrav = 1,
    celldm(1) = 20,
    nat = 5,
    ntyp = 2,
    ecutwfc = 25,
/
&electrons
    diagonalization = 'davidson'
    mixing_mode = 'plain',
    conv_thr =  1.0d-8,
    mixing_beta = 0.7
    electron_maxstep = 100
 /
ATOMIC_SPECIES
C 12.001 C.pz-vbc.UPF
H  1.008 H.pz-vbc.UPF
ATOMIC_POSITIONS {Angstrom}
C        0.000000000   0.000000000   0.000000000
H        0.642814093   0.642814093   0.642814093
H       -0.642814093  -0.642814093   0.642814093
H        0.642814093  -0.642814093  -0.642814093
H       -0.642814093   0.642814093  -0.642814093
K_POINTS {gamma}