&control
    calculation = 'scf',
    restart_mode = 'from_scratch',
    prefix = 'srzro'
    tstress =.true.
    tprnfor=.true.
    outdir = './_outdir'
    wfcdir = './'
    prefix = '${celldm1}'
    pseudo_dir = './_pseudo'
 /
 &system
    ibrav = 1
    celldm(1) = ${celldm1},
    nat = 40
    ntyp = 3
    ecutwfc = 40
    ecutrho = 200
    tot_charge = 0
/
&electrons
   mixing_beta = 0.7
   conv_thr = 1.0d-8
/
ATOMIC_SPECIES
 Sr 87.62     sr_pbe_gbrv_1.0.upf
 Zr 91.224    zr_pbe_gbrv_1.0.upf
 O  15.999    o_pbe_gbrv_1.2.upf
ATOMIC_POSITIONS (crystal)
Zr     0.250000000         0.250000000         0.250000000
Zr     0.750000000         0.250000000         0.250000000
Zr     0.250000000         0.750000000         0.250000000
Zr     0.750000000         0.750000000         0.250000000
Zr     0.250000000         0.250000000         0.750000000
Zr     0.750000000         0.250000000         0.750000000
Zr     0.250000000         0.750000000         0.750000000
Zr     0.750000000         0.750000000         0.750000000
Sr     0.000000000         0.000000000         0.000000000
Sr     0.500000000         0.000000000         0.000000000
Sr     0.000000000         0.500000000         0.000000000
Sr     0.500000000         0.500000000         0.000000000
Sr     0.000000000         0.000000000         0.500000000
Sr     0.500000000         0.000000000         0.500000000
Sr     0.000000000         0.500000000         0.500000000
Sr     0.500000000         0.500000000         0.500000000
O      0.000000000         0.250000000         0.250000000
O      0.250000000         0.000000000         0.250000000
O      0.250000000         0.250000000         0.000000000
O      0.500000000         0.250000000         0.250000000
O      0.750000000         0.000000000         0.250000000
O      0.750000000         0.250000000         0.000000000
O      0.000000000         0.750000000         0.250000000
O      0.250000000         0.500000000         0.250000000
O      0.250000000         0.750000000         0.000000000
O      0.500000000         0.750000000         0.250000000
O      0.750000000         0.500000000         0.250000000
O      0.750000000         0.750000000         0.000000000
O      0.000000000         0.250000000         0.750000000
O      0.250000000         0.000000000         0.750000000
O      0.250000000         0.250000000         0.500000000
O      0.500000000         0.250000000         0.750000000
O      0.750000000         0.000000000         0.750000000
O      0.750000000         0.250000000         0.500000000
O      0.000000000         0.750000000         0.750000000
O      0.250000000         0.500000000         0.750000000
O      0.250000000         0.750000000         0.500000000
O      0.500000000         0.750000000         0.750000000
O      0.750000000         0.500000000         0.750000000
O      0.750000000         0.750000000         0.500000000
K_POINTS (automatic)
3 3 3 1 1 1