[Pw_forum] "Input ibrav not compatible with space group number"
Yogesh Kumar
kumaryogesh00 at gmail.com
Thu Aug 17 14:00:13 CEST 2017
Dear Sir/Madam,
I am having a problem running scf calculation for LaPO4 crystal. I am
getting following error message (several times). Input file is given in the
end of the mail. I have used ibrav = 12, -12 and 13. Each time I get same
error.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Error in routine input (1):
Input ibrav not compatible with space group number
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Input file
&control
calculation = 'scf',
restart_mode='from_scratch',
prefix='LaPO4',
pseudo_dir ='/home2/yogesh/PhD/LaPO4/pure/pbe/',
outdir='/home2/yogesh/quantum-espresso/tempdir/'
/
&system
* ibrav = 13*, celldm(1) = 12.9, celldm(2) = 1.03, celldm(3) = 0.95,
celldm(4) = -0.2250, nat= 6, ntyp= 3,
ecutwfc = 50.0,
ecutrho = 200.0
occupations = 'smearing' ,
degauss = 0.05 ,
smearing = 'methfessel-paxton' ,
space_group = 14
/
&electrons
mixing_mode = 'TF'
mixing_beta = 0.7
conv_thr = 1.0d-8
/
ATOMIC_SPECIES
La 138.90 La.pbe-n-bpaw.UPF
P 30.973 P.pbe-n-kjpaw_psl.0.1.UPF
O 15.999 O.pbe-n-kjpaw_psl.0.1.UPF
ATOMIC_POSITIONS crystal_sg
La 0.2815 0.1603 0.1007
P 0.3047 0.1639 0.6121
O 0.2503 0.0077 0.4477
O 0.3799 0.3315 0.4964
O 0.4748 0.1071 0.8018
O 0.1277 0.2168 0.7101
K_POINTS automatic
2 2 2 0 0 0
Thanks and Regards
Yogesh
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