[QE-users] Error wrong ibrav
Diship Srivastava
dishipsrivastava at gmail.com
Mon Nov 30 10:52:22 CET 2020
Hi,
I am doing band calculation for FeOOH unit cell. During band
calculation I am getting following error :
Error in routine find_bz_type (1):
Wrong ibrav
I used the same input file to do scf and nscf run which turn out to be fine.
Any suggestions on how to remove this error. I am using v.6.5 . Input
file is below:
&CONTROL
calculation = "bands"
forc_conv_thr = 1.00000e-04
etot_conv_thr = 1.000000000d-04
nstep = 201
outdir = "./out"
prefix = "goethite"
pseudo_dir = "./pseudo"
title = "t1(bands)"
! tprnfor = .TRUE.
! tstress = .TRUE.
wf_collect = .TRUE.
verbosity = 'high'
! restart_mode = "restart"
/
&SYSTEM
! orthorhobic
! a = 3.05611900
! b = 4.64196100
! c = 10.05552300
! cosAB = 0
! cosBC = 0
! cosAC = 0
! see cell parameters
ibrav = 0
celldm(1) = 5.77522794
degauss = 1.00000e-02
! ecutrho and ecurtwfc from 10.1007/s00269-013-0648-7
ecutrho = 480
ecutwfc = 40
nat = 16
nspin = 2
ntyp = 4
occupations = "smearing"
smearing = "gaussian"
starting_magnetization(1) = 3.00000e-01
starting_magnetization(2) = -3.00000e-01
lda_plus_u = .TRUE.
hubbard_u(1) = 3.34000e+00
hubbard_u(2) = 3.34000e+00
/
&ELECTRONS
conv_thr = 1.00000e-08
electron_maxstep = 1001
mixing_beta = 4.00000e-01
! startingpot = "atomic"
! startingwfc = "atomic+random"
/
ATOMIC_SPECIES
Fe2 55.84500 Fe.pbe-nd-rrkjus.UPF
Fe1 55.84500 Fe.pbe-nd-rrkjus.UPF
H 1.00794 H.pbe-rrkjus.UPF
O 15.99940 O.pbe-rrkjus.UPF
ATOMIC_POSITIONS {angstrom}
Fe1 2.3034322265 2.0633792384 3.5806769921
Fe2 2.3039723613 0.2543728623 8.6238041820
Fe1 0.7683374985 2.5717996606 6.5059552508
Fe2 0.7666147077 4.3807640620 1.4628296669
H 0.7682607247 4.1658835753 4.1153783559
H 0.7675220658 2.7864351651 9.1595637908
H 2.3040788364 0.4693236357 5.9713206338
H 2.3024597062 1.8486781260 0.9270385757
O 0.7669282695 0.8790550306 3.0607182534
O 0.7685728163 1.4385666719 8.1038441280
O 2.3042145512 3.7561173988 7.0259160214
O 2.3026374459 3.1965834572 1.9827875932
O 0.7687163604 3.2236714228 4.4657949860
O 0.7674086160 3.7285806315 9.5099552232
O 2.3039877107 1.4115196120 5.6208495642
O 2.3022319446 0.9065329637 0.5766658842
CELL_PARAMETERS (alat= 5.77522794)
1.005025461 -0.000051028 -0.000001274
-0.000077730 1.516454851 0.000092518
-0.000004200 0.000199856 3.300381472
K_POINTS {crystal_b}
16
gG 20
X 20
S 20
Y 20
gG 20
Z 20
U 20
R 20
T 20
Z 0
Y 20
T 0
U 20
X 0
S 20
R 0
--
Diship Srivastava
JRF
Department of Chemistry
IIT(ISM) - Dhanbad
India
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