[Pw_forum] calculating eigenenergy of single atom using QE
Dimpy Sharma
dimpy.sharma at tyndall.ie
Sat Dec 19 20:27:00 CET 2009
Hi there,
I have tried to calculate the eigen energy of an isolated Hydrogen atom using quantum espresso, however in the output file it is showing me 'charge is wrong'. I guess my input file is correct. I used 1 node to run the calculation.
My input file is as given below!
&CONTROL
calculation ='scf'
restart_mode = 'from_scratch'
outdir = '/'
pseudo_dir = '/'
prefix = 'H'
tstress = .true.
tprnfor = .true.
wf_collect =.true.
/
&SYSTEM
ibrav = 0
celldm(1) = 1
nat = 1
ntyp = 1
ecutwfc = 40
ecutrho = 160.0
nbnd = 2
/
&ELECTRONS
diagonalization ='cg'
mixing_mode = 'plain'
conv_thr = 1.0d-6
mixing_beta = 0.7
/
&IONS
/
&CELL
cell_dynamics='none'
/
CELL_PARAMETERS cubic
1.000000000 0.000000000 0.000000000
0.000000000 2.000000000 0.000000000
0.000000000 0.000000000 2.000000000
ATOMIC_SPECIES
H 1.00794 H.pz-vbc.UPF
ATOMIC_POSITIONS angstroms
H 0.0000 0.0000 0.0000
K_POINTS automatic
1 1 1 0 0 0
suggestions welcome!
Thanks and regards
Dimpy
UCC
Ireland
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