quantum-espresso/tests/lda+U_gamma.in

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&control
calculation = 'scf'
tstress=.true.
tprnfor=.true.
/
&system
ibrav= 0, celldm(1)=8.19, nat= 4, ntyp= 3,
ecutwfc = 30.0, ecutrho = 240.0, nbnd=20,
starting_magnetization(1)= 0.0,
starting_magnetization(2)= 0.5,
starting_magnetization(3)=-0.5,
occupations='smearing', smearing='gauss', degauss=0.01,
nspin=2,
lda_plus_u=.true. Hubbard_U(2)=4.3, Hubbard_U(3)=4.3,
/
&electrons
mixing_mode = 'plain'
mixing_beta = 0.3
conv_thr = 1.0d-6
mixing_fixed_ns = 0
/
CELL_PARAMETERS
0.50 0.50 1.00
0.50 1.00 0.50
1.00 0.50 0.50
ATOMIC_SPECIES
O1 1. O.pz-rrkjus.UPF
Fe1 1. Fe.pz-nd-rrkjus.UPF
Fe2 1. Fe.pz-nd-rrkjus.UPF
ATOMIC_POSITIONS {crystal}
O1 0.25 0.25 0.25
O1 0.75 0.75 0.75
Fe1 0.05 0.05 0.05
Fe2 0.45 0.45 0.45
K_POINTS {gamma}