User Tools

Site Tools


cu_111_surface_and_k-points_sampling

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
cu_111_surface_and_k-points_sampling [2015/05/29 00:20]
krejcio
cu_111_surface_and_k-points_sampling [2015/05/29 08:11] (current)
Line 82: Line 82:
    ​-0.15173785 ​   0.96366620 ​   0.00000000 ​          ​0.03125000    ​-0.15173785 ​   0.96366620 ​   0.00000000 ​          ​0.03125000
    ​-0.15173785 ​   1.31409013 ​   0.00000000 ​          ​0.03125000    ​-0.15173785 ​   1.31409013 ​   0.00000000 ​          ​0.03125000
 +
 +
 +The fireball.in should look like this:
 +  &OPTION
 +  basisfile = Cu_111.bas
 +  lvsfile = Cu_111.lvs
 +  kptpreference = Cu_111.XXX.kpts
 +  nstepf = 5000
 +  iquench = -6     ! -1 = MDmin, -6 = FIRE optimization
 +  icluster = 0
 +  iqout = 1
 +  dt = 0.5
 +  &END
 +  &OUTPUT
 +  iwrtxyz = 1
 +  &END
  
 Now the optimization should be performed with different k-point sampling. The total energy could be simply checked from the output file: Now the optimization should be performed with different k-point sampling. The total energy could be simply checked from the output file:
-  grep "​ETOT" ​name_of_the_file.txt ​| tail -1+  grep "​ETOT" ​name_of_the_output_file ​| tail -1
  
 If the total energy and the geometry doesn'​t differ too much (comparing two different k-point sampling) then the lower amount of the k-points is considered as the sufficient one. If the total energy and the geometry doesn'​t differ too much (comparing two different k-point sampling) then the lower amount of the k-points is considered as the sufficient one.
cu_111_surface_and_k-points_sampling.1432851627.txt.gz ยท Last modified: 2015/05/29 00:20 (external edit)