quantum-espresso/PW/tests/cluster3.in

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&CONTROL
calculation = 'relax'
/
&SYSTEM
ibrav = 1,
celldm(1) = 12.0
nat = 3,
ntyp = 2,
ecutwfc = 30.D0,
ecutrho = 120.D0,
nbnd = 8
assume_isolated='martyna-tuckerman'
/
&ELECTRONS
conv_thr = 1.D-7,
mixing_beta = 0.7D0,
/
&IONS
/
ATOMIC_SPECIES
O 1.00 O.pbe-kjpaw.UPF
H 1.00 H.pbe-kjpaw.UPF
ATOMIC_POSITIONS {bohr}
O 0.0 0.0 0.0 0 0 0
H 1.0 1.0 1.0
H -1.0 -1.0 1.0
K_POINTS Gamma