quantum-espresso/cptests/sio2-us-lda.in4

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&control
calculation='vc-cp',
restart_mode='reset_counters',
nstep=100, iprint=10, isave=100,
dt=12.0,
ndr=93, ndw=94,
prefix='sio2'
verbosity='medium'
/
&system
ibrav=8, celldm(1)=9.28990, celldm(2)=1.73206, celldm(3)=1.09955,
nat=18, ntyp=2, nbnd=48, nspin=1,
ecutwfc=20.0, ecutrho=150.0,
nr1b=24, nr2b=24, nr3b=24,
qcutz=150., q2sigma=2.0, ecfixed=16.0,
/
&electrons
electron_dynamics='verlet', ortho_max=30,
emass=700., emass_cutoff=3.,
/
&ions
ion_dynamics='verlet', ion_temperature='nose',
tempw=300, fnosep=6.6666,
ion_radius(1)=1.0, ion_radius(2)=1.0,
/
&cell
cell_dynamics='pr', cell_temperature='nose',
temph=300., fnoseh=8.6071, press=1.0,
/
ATOMIC_SPECIES
O 16.00 O.pz-rrkjus.UPF
Si 28.00 Si.pz-vbc.UPF
ATOMIC_POSITIONS
O 3.18829368 14.83237039 1.22882961
O 7.83231469 6.78704039 1.22882961
O 2.07443467 5.99537992 4.73758250
O 6.72031366 14.04231898 4.73758250
O 3.96307134 11.26989826 7.87860582
O 8.60802134 3.22295920 7.87860582
O 3.96307134 4.81915267 9.14625133
O 8.60802134 12.86448267 9.14625133
O 3.18736469 1.25668055 5.58029607
O 7.83324368 9.30201055 5.58029607
O 2.07536366 10.09206195 2.07358613
O 6.71938467 2.04673195 2.07358613
Si 0.28891589 8.04533000 3.40456284
Si 4.93386589 0.00000000 3.40456284
Si 2.13389003 12.27717358 -0.04188031
Si 6.77884003 4.23184358 -0.04188031
Si 2.13389003 3.81348642 6.85202747
Si 6.77884003 11.85881642 6.85202747