quantum-espresso/GWW/examples/example01/methane_scf.in

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&control
calculation = 'scf',
restart_mode='from_scratch',
prefix='ch4',
tprnfor = .true.,
pseudo_dir = './',
/
&system
ibrav= 1,
celldm(1) =15.0,
nat=5,
ntyp= 2,
ecutwfc =40.0,
nbnd=5
/
&electrons
diagonalization='cg'
mixing_beta = 0.5,
conv_thr = 1.0d-8
/
ATOMIC_SPECIES
H 1.0 H.pz-vbc.UPF
C 12.0 C.pz-vbc.UPF
ATOMIC_POSITIONS {bohr}
H 1.198204546 1.198204546 1.198204546
H -1.198204546 -1.198204546 1.198204546
H 1.198204546 -1.198204546 -1.198204546
H -1.198204546 1.198204546 -1.198204546
C 0.000000000 0.000000000 0.000000000