[Pw_forum] hello, I have a error message about Fermi surface by xcrysden ?

Eyvaz Isaev eyvaz_isaev at yahoo.com
Wed Feb 13 11:40:49 CET 2008


Hi,

Can you please send me your output files to have a
look at?

Bests,
Eyvaz.

--- r95222066 at ntu.edu.tw wrote:

> Dear all,
>       I have a error message about Fermi surface by
> xcrysden
> 
> Here is my input file detail (PS:the file is little
> larger)
> 
> a.NaV2O4.scf
> 
>   &control
>      calculation='scf'
>      restart_mode='from_scratch',
>      pseudo_dir = './',
>      outdir='./',
>      prefix='nav2o4'
>   /
>   &system
>      ibrav = 8, celldm(1)
> =17.253962,celldm(2)=0.315912,celldm(3)=1.164067,
>      nat=28 , ntyp= 3,
>      ecutwfc = 40.0,
>      starting_magnetization(1)=0.1,
>      starting_magnetization(2)=1,
>      starting_magnetization(3)=0.1,
>      occupations='smearing', smearing='mp',
> degauss=0.02
>   /
>   &electrons
>      conv_thr = 1.0e-4,
>      mixing_beta = 0.05,
>      electron_maxstep=80,
>      diagonalization= 'cg'
>   /
> ATOMIC_SPECIES
>   Na 22.9878  Na.pbe-sp-van_ak.UPF
>    V 50.9415  V.pbe-n-van.UPF
>    O 15.9994  O.pbe-rrkjus.UPF
> ATOMIC_POSITIONS (crystal)
> Na 0.24271000 0.25000000 0.34620000
> Na 0.75729000 0.75000000 0.65380000
> Na 0.74271000 0.25000000 0.15380000
> Na 0.25729000 0.75000000 0.84620000
>   V 0.08309000 0.25000000 0.60374000
>   V 0.91691000 0.75000000 0.39626000
>   V 0.58309000 0.25000000 0.89626000
>   V 0.41691000 0.75000000 0.10374000
>   V 0.06330000 0.25000000 0.11198000
>   V 0.93670000 0.75000000 0.88802000
>   V 0.56330000 0.25000000 0.38802000
>   V 0.43670000 0.75000000 0.61198000
>   O 0.29100000 0.25000000 0.64828000
>   O 0.70900000 0.75000000 0.35172000
>   O 0.79100000 0.25000000 0.85172000
>   O 0.20900000 0.75000000 0.14828000
>   O 0.38720000 0.25000000 0.97947000
>   O 0.61280000 0.75000000 0.02053000
>   O 0.88720000 0.25000000 0.52053000
>   O 0.11280000 0.75000000 0.47947000
>   O 0.38720000 0.25000000 0.21757000
>   O 0.61280000 0.75000000 0.78243000
>   O 0.88720000 0.25000000 0.28243000
>   O 0.11280000 0.75000000 0.71757000
>   O 0.07850000 0.25000000 0.92880000
>   O 0.92150000 0.75000000 0.07120000
>   O 0.57850000 0.25000000 0.57120000
>   O 0.42150000 0.75000000 0.42880000
> K_POINTS (automatic)
> 6 6 6    0 0 0
> 
> 
> b.NaV2O4.fs.in
>   &control
>      calculation='nscf'
>      pseudo_dir = './',
>      outdir='./',
>      prefix='nav2o4'
>   /
>   &system
>      ibrav = 8, celldm(1)
> =17.253962,celldm(2)=0.315912,celldm(3)=1.164067,
>      nat=28 , ntyp= 3,nbnd=103,
>      ecutwfc = 40.0,
>      starting_magnetization(1)=0.1,
>      starting_magnetization(2)=1,
>      starting_magnetization(3)=0.1,
>   /
>   &electrons
>      conv_thr = 1.0e-4,
>      mixing_beta = 0.05,
> 
>   /
> ATOMIC_SPECIES
>   Na 22.9878  Na.pbe-sp-van_ak.UPF
>    V 50.9415  V.pbe-n-van.UPF
>    O 15.9994  O.pbe-rrkjus.UPF
> ATOMIC_POSITIONS (crystal)
> Na 0.24271000 0.25000000 0.34620000
> Na 0.75729000 0.75000000 0.65380000
> Na 0.74271000 0.25000000 0.15380000
> Na 0.25729000 0.75000000 0.84620000
>   V 0.08309000 0.25000000 0.60374000
>   V 0.91691000 0.75000000 0.39626000
>   V 0.58309000 0.25000000 0.89626000
>   V 0.41691000 0.75000000 0.10374000
>   V 0.06330000 0.25000000 0.11198000
>   V 0.93670000 0.75000000 0.88802000
>   V 0.56330000 0.25000000 0.38802000
>   V 0.43670000 0.75000000 0.61198000
>   O 0.29100000 0.25000000 0.64828000
>   O 0.70900000 0.75000000 0.35172000
>   O 0.79100000 0.25000000 0.85172000
>   O 0.20900000 0.75000000 0.14828000
>   O 0.38720000 0.25000000 0.97947000
>   O 0.61280000 0.75000000 0.02053000
>   O 0.88720000 0.25000000 0.52053000
>   O 0.11280000 0.75000000 0.47947000
>   O 0.38720000 0.25000000 0.21757000
>   O 0.61280000 0.75000000 0.78243000
>   O 0.88720000 0.25000000 0.28243000
>   O 0.11280000 0.75000000 0.71757000
>   O 0.07850000 0.25000000 0.92880000
>   O 0.92150000 0.75000000 0.07120000
>   O 0.57850000 0.25000000 0.57120000
>   O 0.42150000 0.75000000 0.42880000
> K_POINTS
> (produced from kvecs_FS.in by kvecs_FS.x )
> 
> 
> c.kvecs_FS.in
>    1.000000  0.000000  0.000000
>    0.000000  3.165438  0.000000
>    0.000000  0.000000  0.859057
>    6 6 6
> nav2o4
> 
> d.input_FS
> 85  88
>     9.2434
> nav2o4
> FS
>   6 6 6
>    1.000000  0.000000  0.000000
>    0.000000  3.165438  0.000000
>    0.000000  0.000000  0.859057
> 
>
----------------------------------------------------------------------
>     I had a nav2o4.fs.bxsf file,and I check PWSCF
> example08 ni.fs.bxsf  
> file which has the same format with my
> nav2o4.fs.bxsf file.
> 
>     When I want to show the bxsf file by
> xcrysden,there is the error message
> 
> Number of atoms :0
> Number of frames :0
> Error: Error reading Band_Grid_3D_section,while
> reading
> Error: Error reading the BXSF file
> 
> 
> Thanks a lot
> 
>                       Bing-Hong Chen,National Taiwan
> University,Taiwan
> 
> 
> 
> 
> 
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> Pw_forum at pwscf.org
> http://www.democritos.it/mailman/listinfo/pw_forum
> 


-------------------------------------------------------------------
Prof. Eyvaz Isaev, 
Theoretical Physics Department, Moscow State Institute of Steel & Alloys, Russia, 
IFM, Linkoping University, Sweden 
Condensed Matter Theory Group, Uppsala University, Sweden 
Eyvaz.Isaev at fysik.uu.se, eyvaz_isaev at yahoo.com


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