[Pw_forum] vc-relax - Convergence Problems

Stefano de Gironcoli degironc at sissa.it
Fri Aug 20 22:58:26 CEST 2010


Andre Martinotto wrote:
> Dear Stefano,
>
> Do you have any suggestion to accelerating the convergence?
>
>   
not really... my impression is that you started far from the equilibrium 
and the process is taking several iterations but for the time being it 
is relaxing w/o oscillating or having other troubles. so I would simply 
continue the relaxation.
out of curiosity .... why do you fix TWO Sb atoms ? are 8 8 8 0 0 0 
k-points necessary for a 32-atom cell...

As suggested by Duy Le, you could start optimizing internal coordinates 
and cell for a perfect crystal in the fundamental unit cell, which has 
only a few atoms per cell,  test convergence for k-points and cutoff 
there and only in a second moment build  a super-cell (reducing the 
k-points accordingly) where to  introduce a vacancy.

stefano


> Andre Martinotto
> Email: almartinotto at gmail.com
> Computing Department
> Universidade de Caxias do Sul
> Caxias do Sul - RS, Brazil
>
>
>
>
>
>
> On Fri, Aug 20, 2010 at 4:06 PM, Stefano de Gironcoli <degironc at sissa.it>wrote:
>
>   
>> so far so good...  maybe it's only slow...
>> I don't recall now exactly how BFGS works but the fact that at each stem
>> it says
>>
>> enthalpy_new < enthalpy_old
>>
>> maybe means that it's going downhill without finding a minimum along the
>> line search and the step is limited by the trust_radius.
>> maybe you started very far  from the  minimum or there are rotations of
>> some rigid units involved ...
>>
>> stefano
>>
>> Andre Martinotto wrote:
>>     
>>> Yes, the enthalpy is decreasing the enthalpy is decreasing. Below the
>>>       
>> values
>>     
>>> of the  enthaply.
>>>
>>> Best regards,
>>> André Luis Martinotto
>>>
>>> Andre Martinotto
>>> Email: almartinotto at gmail.com
>>> Computing Department
>>> Universidade de Caxias do Sul
>>> Caxias do Sul - RS, Brazil
>>>
>>>      enthalpy old            =   -1018.4377035275 Ry
>>>      enthalpy new            =   -1018.4494900797 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4494900797 Ry
>>>      enthalpy new            =   -1018.4568547798 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4568547798 Ry
>>>      enthalpy new            =   -1018.4624673172 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4624673172 Ry
>>>      enthalpy new            =   -1018.4675637420 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4675637420 Ry
>>>      enthalpy new            =   -1018.4745374801 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4745374801 Ry
>>>      enthalpy new            =   -1018.4787658712 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4787658712 Ry
>>>      enthalpy new            =   -1018.4839453395 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4839453395 Ry
>>>      enthalpy new            =   -1018.4906317150 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4906317150 Ry
>>>      enthalpy new            =   -1018.4927767110 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4927767110 Ry
>>>      enthalpy new            =   -1018.4939707446 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4939707446 Ry
>>>      enthalpy new            =   -1018.4946012005 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4946012005 Ry
>>>      enthalpy new            =   -1018.4951369286 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4951369286 Ry
>>>      enthalpy new            =   -1018.4955690712 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4955690712 Ry
>>>      enthalpy new            =   -1018.4961210855 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4961210855 Ry
>>>      enthalpy new            =   -1018.4964627786 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4964627786 Ry
>>>      enthalpy new            =   -1018.4971749436 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4971749436 Ry
>>>      enthalpy new            =   -1018.4985789257 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4985789257 Ry
>>>      enthalpy new            =   -1018.4996031008 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.4996031008 Ry
>>>      enthalpy new            =   -1018.5008017865 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5008017865 Ry
>>>      enthalpy new            =   -1018.5036232518 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5036232518 Ry
>>>      enthalpy new            =   -1018.5070595112 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5070595112 Ry
>>>      enthalpy new            =   -1018.5117630729 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5117630729 Ry
>>>      enthalpy new            =   -1018.5170591719 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5170591719 Ry
>>>      enthalpy new            =   -1018.5222913399 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5222913399 Ry
>>>      enthalpy new            =   -1018.5282241124 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5282241124 Ry
>>>      enthalpy new            =   -1018.5342597827 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5342597827 Ry
>>>      enthalpy new            =   -1018.5406966898 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5406966898 Ry
>>>      enthalpy new            =   -1018.5469217329 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5469217329 Ry
>>>      enthalpy new            =   -1018.5530869862 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5530869862 Ry
>>>      enthalpy new            =   -1018.5599277199 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5599277199 Ry
>>>      enthalpy new            =   -1018.5668277117 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5668277117 Ry
>>>      enthalpy new            =   -1018.5740583719 Ry
>>>      CASE: enthalpy_new < enthalpy_old
>>>      enthalpy old            =   -1018.5740583719 Ry
>>>      enthalpy new            =   -1018.5816796313 Ry
>>>
>>> **
>>> On Fri, Aug 20, 2010 at 2:53 PM, Stefano de Gironcoli <degironc at sissa.it
>>> wrote:
>>>
>>>
>>>       
>>>> is the enthalpy decreasing during the relaxation ?
>>>> stefano
>>>>
>>>> Andre Martinotto wrote:
>>>>
>>>>         
>>>>> Dear Stefano,
>>>>>
>>>>> Sorry.  I sent the wrong input file. The outputs correspond to the file
>>>>> below.
>>>>>
>>>>> Best regards,
>>>>> André Luis Martinotto
>>>>>
>>>>> Andre Martinotto
>>>>> Email: almartinotto at gmail.com
>>>>> Computing Department
>>>>> Universidade de Caxias do Sul
>>>>> Caxias do Sul - RS, Brazil
>>>>>
>>>>> &CONTROL
>>>>>                        title = CoSb3 ,
>>>>>                  calculation = 'vc-relax',
>>>>>                 restart_mode = 'restart',
>>>>>                   wf_collect = .true. ,
>>>>>                       outdir = '/dados/almartin/est2_a' ,
>>>>>                       wfcdir = '/dados/almartin/est2_a' ,
>>>>>                   pseudo_dir = '/home/u/almartin/cosb3/pseudo' ,
>>>>>                       prefix = 'est1' ,
>>>>>                etot_conv_thr = 1.0D-4 ,
>>>>>                forc_conv_thr = 1.0D-3 ,
>>>>>                      tstress = .true. ,
>>>>>                      tprnfor = .true.
>>>>>  /
>>>>>  &SYSTEM
>>>>>                        ibrav = 1,
>>>>>                            A = 8.5012 ,
>>>>>                          nat = 32,
>>>>>                         ntyp = 2,
>>>>>                      ecutwfc = 30. ,
>>>>>                      ecutrho = 300 ,
>>>>>                      input_dft = 'PBE' ,
>>>>>                  occupations = 'smearing' ,
>>>>>                      degauss = 0.01 ,
>>>>>                     smearing = 'marzari-vanderbilt' ,
>>>>>  /
>>>>>  &ELECTRONS
>>>>>                     conv_thr = 1.0D-9 ,
>>>>>                  startingpot = 'atomic' ,
>>>>>                  startingwfc = 'atomic' ,
>>>>>                  mixing_mode = 'plain' ,
>>>>>                  mixing_beta = 0.7D0 ,
>>>>>              diagonalization = 'david' ,
>>>>>  /
>>>>>  &IONS
>>>>>                 ion_dynamics = 'bfgs' ,
>>>>>                ion_positions = 'default' ,
>>>>>  /
>>>>>  &CELL
>>>>>                cell_dynamics = 'bfgs' ,
>>>>>                        press = 0.D0 ,
>>>>>               press_conv_thr = 0.2D0 ,
>>>>>                  cell_factor = 1.5D0 ,
>>>>>  /
>>>>> ATOMIC_SPECIES
>>>>>    Co   58.93300  Co.pbe-nd-rrkjus.UPF
>>>>>    Sb  121.76000  Sb.pbe-rrkjus.UPF
>>>>> ATOMIC_POSITIONS crystal
>>>>> Co      0.25    0.25    0.25    1 1 1
>>>>> Co      0.75    0.75    0.25    1 1 1
>>>>> Co      0.75    0.25    0.75    1 1 1
>>>>> Co      0.25    0.75    0.75    1 1 1
>>>>> Co      0.75    0.75    0.75    1 1 1
>>>>> Co      0.25    0.25    0.75    1 1 1
>>>>> Co      0.25    0.75    0.25    1 1 1
>>>>> Co      0.75    0.25    0.25    1 1 1
>>>>> Sb      0       0.6646  0.8421  1 1 1
>>>>> Sb      0       0.3354  0.8421  1 1 1
>>>>> Sb      0       0.6646  0.1579  1 1 1
>>>>> Sb      0       0.3354  0.1579  1 1 1
>>>>> Sb      0.8421  0       0.6646  1 1 1
>>>>> Sb      0.6646  0.8421  0       1 1 1
>>>>> Sb      0.8421  0       0.3354  1 1 1
>>>>> Sb      0.3354  0.8421  0       1 1 1
>>>>> Sb      0.1579  0       0.6646  1 1 1
>>>>> Sb      0.6646  0.1579  0       1 1 1
>>>>> Sb      0.1579  0       0.3354  1 1 1
>>>>> Sb      0.  0.  0.       0 0 0
>>>>> Sb      0.5     0.1646  0.3421  1 1 1
>>>>> Sb      0.5     0.8354  0.3421  1 1 1
>>>>> Sb      0.5     0.1646  0.6579  1 1 1
>>>>> Sb      0.5     0.8354  0.6579  1 1 1
>>>>> Sb      0.3421  0.5     0.1646  1 1 1
>>>>> Sb      0.1646  0.3421  0.5     1 1 1
>>>>> Sb      0.3421  0.5     0.8354  1 1 1
>>>>> Sb      0.8354  0.3421  0.5     1 1 1
>>>>> Sb      0.6579  0.5     0.1646  1 1 1
>>>>> Sb      0.1646  0.6579  0.5     1 1 1
>>>>> Sb      0.6579  0.5     0.8354  1 1 1
>>>>> Sb      0.5  0.5  0.5     0 0 0
>>>>> K_POINTS automatic
>>>>>   8 8 8 0 0 0
>>>>>
>>>>>
>>>>>
>>>>> On Fri, Aug 20, 2010 at 12:17 PM, Stefano de Gironcoli <
>>>>>
>>>>>           
>>>> degironc at sissa.it>wrote:
>>>>
>>>>         
>>>>>> you ARE NOT making a vc-relaxation unless you specify
>>>>>> calculation='vc-relax'
>>>>>> stefano
>>>>>>
>>>>>> Andre Martinotto wrote:
>>>>>>
>>>>>>
>>>>>>             
>>>>>>> Dear all,
>>>>>>>
>>>>>>> I'm trying to make a vc-relax optimization of a structure with
>>>>>>>
>>>>>>>               
>>>> vacancies,
>>>>
>>>>         
>>>>>>> but I'm having some problems for convergence. I have a problem with
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>> forces
>>>>>>
>>>>>>
>>>>>>             
>>>>>>> convergence. Below the input file as are the force and stress
>>>>>>>               
>> results.
>>     
>>>>>>> Someone would have some suggestion to solve this problem?
>>>>>>>
>>>>>>> Thanks!
>>>>>>>
>>>>>>> Best regards,
>>>>>>> André Luis Martinotto
>>>>>>>
>>>>>>> Andre Martinotto
>>>>>>> Email: almartinotto at gmail.com
>>>>>>> Computing Department
>>>>>>> Universidade de Caxias do Sul
>>>>>>> Caxias do Sul - RS, Brazil
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> /------------------------------------- input file
>>>>>>> ---------------------------------------/
>>>>>>>  &CONTROL
>>>>>>>                        title = CoSb3 ,
>>>>>>>                  calculation = 'relax',
>>>>>>>                 restart_mode = 'restart',
>>>>>>>                   wf_collect = .true. ,
>>>>>>>                       outdir = '/dados/almartin/est2_a' ,
>>>>>>>                       wfcdir = '/dados/almartin/est2_a' ,
>>>>>>>                   pseudo_dir = '/home/u/almartin/cosb3/pseudo' ,
>>>>>>>                       prefix = 'est1' ,
>>>>>>>                etot_conv_thr = 1.0D-4 ,
>>>>>>>                forc_conv_thr = 1.0D-3 ,
>>>>>>>                      tstress = .true. ,
>>>>>>>                      tprnfor = .true.
>>>>>>>  /
>>>>>>>  &SYSTEM
>>>>>>>                        ibrav = 1,
>>>>>>>                            A = 8.5012 ,
>>>>>>>                          nat = 32,
>>>>>>>                         ntyp = 2,
>>>>>>>                      ecutwfc = 30. ,
>>>>>>>                      ecutrho = 300 ,
>>>>>>>                      input_dft = 'PBE' ,
>>>>>>>                  occupations = 'smearing' ,
>>>>>>>                      degauss = 0.01 ,
>>>>>>>                     smearing = 'marzari-vanderbilt' ,
>>>>>>>  /
>>>>>>>  &ELECTRONS
>>>>>>>                     conv_thr = 1.0D-9 ,
>>>>>>>                  startingpot = 'atomic' ,
>>>>>>>                  startingwfc = 'atomic' ,
>>>>>>>                  mixing_mode = 'plain' ,
>>>>>>>                  mixing_beta = 0.7D0 ,
>>>>>>>              diagonalization = 'david' ,
>>>>>>>  /
>>>>>>>  &IONS
>>>>>>>                 ion_dynamics = 'bfgs' ,
>>>>>>>                ion_positions = 'default' ,
>>>>>>>  /
>>>>>>> &CELL
>>>>>>>                cell_dynamics = 'bfgs' ,
>>>>>>>                        press = 0.D0 ,
>>>>>>>               press_conv_thr = 0.2D0 ,
>>>>>>>                  cell_factor = 1.5D0 ,
>>>>>>>  /
>>>>>>> ATOMIC_SPECIES
>>>>>>>    Co   58.93300  Co.pbe-nd-rrkjus.UPF
>>>>>>>    Sb  121.76000  Sb.pbe-rrkjus.UPF
>>>>>>> ATOMIC_POSITIONS crystal
>>>>>>> Co      0.25    0.25    0.25    1 1 1
>>>>>>> Co      0.75    0.75    0.25    1 1 1
>>>>>>> Co      0.75    0.25    0.75    1 1 1
>>>>>>> Co      0.25    0.75    0.75    1 1 1
>>>>>>> Co      0.75    0.75    0.75    1 1 1
>>>>>>> Co      0.25    0.25    0.75    1 1 1
>>>>>>> Co      0.25    0.75    0.25    1 1 1
>>>>>>> Co      0.75    0.25    0.25    1 1 1
>>>>>>> Sb      0       0.6646  0.8421  1 1 1
>>>>>>> Sb      0       0.3354  0.8421  1 1 1
>>>>>>> Sb      0       0.6646  0.1579  1 1 1
>>>>>>> Sb      0       0.3354  0.1579  1 1 1
>>>>>>> Sb      0.8421  0       0.6646  1 1 1
>>>>>>> Sb      0.6646  0.8421  0       1 1 1
>>>>>>> Sb      0.8421  0       0.3354  1 1 1
>>>>>>> Sb      0.3354  0.8421  0       1 1 1
>>>>>>> Sb      0.1579  0       0.6646  1 1 1
>>>>>>> Sb      0.6646  0.1579  0       1 1 1
>>>>>>> Sb      0.1579  0       0.3354  1 1 1
>>>>>>> Sb      0.  0.  0.           0 0 0
>>>>>>> Sb      0.5     0.1646  0.3421  1 1 1
>>>>>>> Sb      0.5     0.8354  0.3421  1 1 1
>>>>>>> Sb      0.5     0.1646  0.6579  1 1 1
>>>>>>> Sb      0.5     0.8354  0.6579  1 1 1
>>>>>>> Sb      0.3421  0.5     0.1646  1 1 1
>>>>>>> Sb      0.1646  0.3421  0.5     1 1 1
>>>>>>> Sb      0.3421  0.5     0.8354  1 1 1
>>>>>>> Sb      0.8354  0.3421  0.5     1 1 1
>>>>>>> Sb      0.6579  0.5     0.1646  1 1 1
>>>>>>> Sb      0.1646  0.6579  0.5     1 1 1
>>>>>>> Sb      0.6579  0.5     0.8354  1 1 1
>>>>>>> Sb      0.5  0.5  0.5         0 0 0
>>>>>>> K_POINTS automatic
>>>>>>>   8 8 8 0 0 0
>>>>>>>
>>>>>>> /------------------------------------- stress results
>>>>>>> --------------------------------------/
>>>>>>>
>>>>>>>     entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.77
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 9.48
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 11.91
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 4.78
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -6.89
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -2.65
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 1.31
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 5.44
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 2.47
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -2.82
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -1.30
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.08
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.71
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 1.11
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.70
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.16
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -0.77
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -1.30
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -1.45
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -1.23
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -0.56
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.39
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 1.24
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 1.92
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 2.18
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 2.16
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 1.82
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 1.35
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.75
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> 0.30
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -0.03
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -0.37
>>>>>>>      entering subroutine stress ...
>>>>>>>           total   stress  (Ry/bohr**3)                   (kbar)
>>>>>>>               
>> P=
>>     
>>>>>>> -0.72
>>>>>>>
>>>>>>> /------------------------------------- force results
>>>>>>> --------------------------------------/
>>>>>>>
>>>>>>>      Total force =     0.072779     Total SCF correction =
>>>>>>>               
>> 0.000066
>>     
>>>>>>>      Total force =     0.053372     Total SCF correction =
>>>>>>>               
>> 0.000053
>>     
>>>>>>>      Total force =     0.044120     Total SCF correction =
>>>>>>>               
>> 0.000023
>>     
>>>>>>>      Total force =     0.045980     Total SCF correction =
>>>>>>>               
>> 0.000024
>>     
>>>>>>>      Total force =     0.049875     Total SCF correction =
>>>>>>>               
>> 0.000027
>>     
>>>>>>>      Total force =     0.043061     Total SCF correction =
>>>>>>>               
>> 0.000055
>>     
>>>>>>>      Total force =     0.033627     Total SCF correction =
>>>>>>>               
>> 0.000027
>>     
>>>>>>>      Total force =     0.024939     Total SCF correction =
>>>>>>>               
>> 0.000032
>>     
>>>>>>>      Total force =     0.022018     Total SCF correction =
>>>>>>>               
>> 0.000009
>>     
>>>>>>>      Total force =     0.015573     Total SCF correction =
>>>>>>>               
>> 0.000049
>>     
>>>>>>>      Total force =     0.013346     Total SCF correction =
>>>>>>>               
>> 0.000039
>>     
>>>>>>>      Total force =     0.010870     Total SCF correction =
>>>>>>>               
>> 0.000017
>>     
>>>>>>>      Total force =     0.010344     Total SCF correction =
>>>>>>>               
>> 0.000031
>>     
>>>>>>>      Total force =     0.016943     Total SCF correction =
>>>>>>>               
>> 0.000021
>>     
>>>>>>>      Total force =     0.015429     Total SCF correction =
>>>>>>>               
>> 0.000031
>>     
>>>>>>>      Total force =     0.013450     Total SCF correction =
>>>>>>>               
>> 0.000013
>>     
>>>>>>>      Total force =     0.015799     Total SCF correction =
>>>>>>>               
>> 0.000010
>>     
>>>>>>>      Total force =     0.023243     Total SCF correction =
>>>>>>>               
>> 0.000032
>>     
>>>>>>>      Total force =     0.028594     Total SCF correction =
>>>>>>>               
>> 0.000015
>>     
>>>>>>>      Total force =     0.038065     Total SCF correction =
>>>>>>>               
>> 0.000030
>>     
>>>>>>>      Total force =     0.044262     Total SCF correction =
>>>>>>>               
>> 0.000073
>>     
>>>>>>>      Total force =     0.048789     Total SCF correction =
>>>>>>>               
>> 0.000054
>>     
>>>>>>>      Total force =     0.053071     Total SCF correction =
>>>>>>>               
>> 0.000047
>>     
>>>>>>>      Total force =     0.057755     Total SCF correction =
>>>>>>>               
>> 0.000030
>>     
>>>>>>>      Total force =     0.061205     Total SCF correction =
>>>>>>>               
>> 0.000057
>>     
>>>>>>>      Total force =     0.063732     Total SCF correction =
>>>>>>>               
>> 0.000055
>>     
>>>>>>>      Total force =     0.065333     Total SCF correction =
>>>>>>>               
>> 0.000069
>>     
>>>>>>>      Total force =     0.067697     Total SCF correction =
>>>>>>>               
>> 0.000029
>>     
>>>>>>>      Total force =     0.071297     Total SCF correction =
>>>>>>>               
>> 0.000042
>>     
>>>>>>>      Total force =     0.075401     Total SCF correction =
>>>>>>>               
>> 0.000020
>>     
>>>>>>>      Total force =     0.080403     Total SCF correction =
>>>>>>>               
>> 0.000064
>>     
>>>>>>>      Total force =     0.086012     Total SCF correction =
>>>>>>>               
>> 0.000030
>>     
>>>>>>>      Total force =     0.091511     Total SCF correction =
>>>>>>>               
>> 0.000033
>>     
>>>>>>>
>>>>>>>
>>>>>>>               
>>>> ------------------------------------------------------------------------
>>>>
>>>>         
>>>>>>> _______________________________________________
>>>>>>> Pw_forum mailing list
>>>>>>> Pw_forum at pwscf.org
>>>>>>> http://www.democritos.it/mailman/listinfo/pw_forum
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>> _______________________________________________
>>>>>> Pw_forum mailing list
>>>>>> Pw_forum at pwscf.org
>>>>>> http://www.democritos.it/mailman/listinfo/pw_forum
>>>>>>
>>>>>>
>>>>>>
>>>>>>             
>> ------------------------------------------------------------------------
>>     
>>>>> _______________________________________________
>>>>> Pw_forum mailing list
>>>>> Pw_forum at pwscf.org
>>>>> http://www.democritos.it/mailman/listinfo/pw_forum
>>>>>
>>>>>
>>>>>           
>>>> _______________________________________________
>>>> Pw_forum mailing list
>>>> Pw_forum at pwscf.org
>>>> http://www.democritos.it/mailman/listinfo/pw_forum
>>>>
>>>>
>>>>         
>>> ------------------------------------------------------------------------
>>>
>>> _______________________________________________
>>> Pw_forum mailing list
>>> Pw_forum at pwscf.org
>>> http://www.democritos.it/mailman/listinfo/pw_forum
>>>
>>>       
>> _______________________________________________
>> Pw_forum mailing list
>> Pw_forum at pwscf.org
>> http://www.democritos.it/mailman/listinfo/pw_forum
>>
>>     
>
>   
> ------------------------------------------------------------------------
>
> _______________________________________________
> Pw_forum mailing list
> Pw_forum at pwscf.org
> http://www.democritos.it/mailman/listinfo/pw_forum
>   




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