quantum-espresso/test-suite/pw_lattice-ibrav/lattice-wyckoff-sio2.in

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&control
calculation='scf',
/
&system
space_group=154,
celldm(1)=9.284,
celldm(3)=1.100,
nat = 2,
ntyp= 2,
ecutwfc = 30.0, ecutrho = 150.0
/
&electrons
diagonalization='david',
conv_thr = 1.d-8
/
ATOMIC_SPECIES
Si 28.086 Si.pbe-rrkj.UPF
O 15.9994 O.pbe-rrkjus.UPF
ATOMIC_POSITIONS crystal_sg
Si 3a 0.4697
O 0.4125 0.2662 0.7855
K_POINTS automatic
2 2 2 0 0 0