&control
    calculation='scf',
    prefix='mgb2',
    pseudo_dir = '/home/lambert/espresso-4.2.1/pseudo/',
    outdir='./tmp',
    tprnfor = .true.,
    tstress = .true.,   
    etot_conv_thr = 1.0d-5
    forc_conv_thr = 1.0d-4
    wf_collect=.true.
    verbosity='high'
 /
 &system    
    ibrav = 4,
    celldm(1) = 5.8260252227888,
    celldm(3) = 1.1420694129095,
    nat=  3,
    ntyp = 2,
    ecutwfc = 60.0
    smearing = 'mp'
    occupations = 'smearing'
    degauss = 0.02
 /
 &electrons
    diagonalization = 'david'
    mixing_mode = 'plain'
    mixing_beta = 0.7
    conv_thr =  1.0d-9
 /
ATOMIC_SPECIES
 Mg  24.305  Mg.pz-n-vbc.UPF
 B   10.811  B.pz-vbc.UPF
ATOMIC_POSITIONS crystal
Mg       0.000000000   0.000000000   0.000000000
B        0.333333333   0.666666667   0.500000000
B        0.666666667   0.333333333   0.500000000
K_POINTS AUTOMATIC
10 10 10 0 0 0