&CONTROL 
   calculation = 'relax'
/

&SYSTEM
   ! ibrav:  0 = free lattice,   1 = PC,   2 = FCC,   3 = BCC,
   !         4 = hex or trigonal P,
   !         5 = trigonal R (axis c),   -5 = trigonal R (axis <111>),
   !         6 = tetragonal P,   7 = tetragonal I,
   !         8 = orthorombic P,   9 = orthorombic base-C,   -9 = as 9 (alter description),
   !         10 = orthorombic FC,   11 = orthorombic body-C,
   !         12 = monoclinic P (axis c),   -12 = monoclinic P (axis b),
   !         13 = monoclinic base-C,   14 = triclinic
   ibrav     = 0
   celldm(1) = 1.0
   nat       = 1
   ntyp      = 1
   ecutwfc   = 30.0
/

&ELECTRONS
   conv_thr = 1d-7
/

&IONS
/

CELL_PARAMETERS { alat | bohr | angstrom } 
   1.00   0.00   0.00
   0.00   1.00   0.00
   0.00   0.00   1.00

ATOMIC_SPECIES
   atomLabel   atomMass   atomPseudoPotential

ATOMIC_POSITIONS { alat | bohr | angstrom | crystal | crystal_sg } 
   atomLabel   0.00   0.00   0.00

K_POINTS { tpiba | automatic | crystal | gamma | tpiba_b | crystal_b | tpiba_c | crystal_c } 
   ...insert-if-not-gamma...
