&control
    calculation = 'scf'
    restart_mode = 'from_scratch'
    prefix='si'
    tstress = .true.
    tprnfor = .true.
    pseudo_dir = '/data2/trinhvo/espresso-4.0.3/pseudo/'
    outdir='./'
    wf_collect = .true.
 /
 &system
    ibrav=  8
    a = 5.43 
    b = 5.43
    c = 5.43
    nat=8, ntyp= 1
    nbnd= 50
    nelec = 32 
    lspinorb=.true.
    noncolin=.true.
    ecutwfc = 50.0
    nosym = .true.
    occupations='smearing'
    degauss=0.008
 /
 &electrons
    diagonalization='cg'
    mixing_beta = 0.70
    conv_thr =  1.0d-12
/
ATOMIC_SPECIES
 Si  28.0  SirelPBE.RRKJ3.UPF 
ATOMIC_POSITIONS angstrom
Si	0.02194197382780	0.03885241691020	-0.00490336038640
Si	1.36691421270370	1.38059467077260	1.38081267476080
Si	2.70638644695280	-0.03881055163220	2.69438832998280
Si	4.03756469488140	1.33434042334560	4.06247109174730
Si	-0.02190300729130	2.70944118499760	2.73564100265500
Si	1.34811118245120	4.06509637832640	4.08248603343960
Si	2.72359848022460	2.72047728300090	0.00489999016280
Si	4.10740196704860	4.07988905906680	1.33421361446380
K_POINTS automatic
8 8 8 0 0 0