[QE-users] Is this a bug in vc-relax of QE-6.4.1

Mohammad Moaddeli mohammad.moaddeli at gmail.com
Sat Dec 28 06:53:10 CET 2019


Dear Jibiao,

I had the same problem. "damp" algorithm worked for me.

Mohammad
Shiraz University

On Fri, Dec 27, 2019 at 12:16 PM Paolo Giannozzi <p.giannozzi at gmail.com>
wrote:

> What should you do? implement stress in the noncollinear case with GGA.
> Incidentally I also need it and just implemented it, but it is untested.
> You find it here (NO WARRANTY IT WORKS) as a "merge request" with respect
> to the current develop version:
> https://gitlab.com/QEF/q-e/merge_requests/720
>
> Paolo
>
> On Tue, Dec 24, 2019 at 1:34 PM Jibiao Li <jibiaoli at foxmail.com> wrote:
>
>>
>> Hi, Lorenzo
>>
>> It complaint in the output "noncollinear stress +GGA in not implemented".
>> What should I do next if I insist on using spin orbital coupling ?
>>
>> Regards
>>
>> Jibiao Li
>>
>> ------------------ Original ------------------
>> *From:* "Lorenzo Paulatto"<paulatz at gmail.com>;
>> *Date:* Tue, Dec 24, 2019 07:13 PM
>> *To:* "Quantum ESPRESSO users Forum"<users at lists.quantum-espresso.org>;
>> *Subject:* Re: [QE-users] Is this a bug in vc-relax of QE-6.4.1
>>
>> I think that stress is not computed when using spin orbit coupling with
>> PAW datasets, it shouldn be stated in output anyway, I recommend you check.
>>
>> Regards
>>
>> --
>> Lorenzo Paulatto
>>
>> On Tue, 24 Dec 2019, 03:51 Jibiao Li, <jibiaoli at foxmail.com> wrote:
>>
>>> Dear QE community,
>>>
>>> I am performing vc-relax calculations using QE-6.4.1. However, it seems
>>> that vc-relax does not take effect at all; the unit cell is frozen at the
>>> size of beginning. Please help me.
>>>
>>> OUTPUT:
>>> CELL_PARAMETERS angstrom
>>>      8.525783444    0.000815216    0.000018329
>>>     -4.262185569    7.385829154   -0.001218091
>>>      0.000043425   -0.005001079   21.778300000
>>> INPUT:
>>> CELL_PARAMETERS angstrom
>>>      8.525783444    0.000815216    0.000018329
>>>     -4.262185569    7.385829154   -0.001218091
>>>      0.000043425   -0.005001079   21.778300000
>>>
>>>
>>> &CONTROL
>>>                  calculation = 'vc-relax' ,
>>>                 restart_mode = 'from_scratch' ,
>>>                       outdir = './' ,
>>>                   pseudo_dir = '/home/pc/pseudo/' ,
>>>                       prefix = 'bulk' ,
>>>                        nstep = 299 ,
>>>  /
>>>  &SYSTEM
>>>                        ibrav = 0,
>>>                          nat = 48,
>>>                         ntyp = 2,
>>>                      ecutwfc = 49 ,
>>>                      ecutrho = 591 ,
>>>                  occupations = 'smearing' ,
>>>                      degauss = 0.02D0 ,
>>>                     smearing = 'gaussian' ,
>>>                     noncolin = .true. ,
>>>                     lspinorb = .true. ,
>>>                     vdw_corr = 'grimme-d2' ,
>>>  /
>>>  &ELECTRONS
>>>             electron_maxstep = 299,
>>>                  mixing_beta = 0.2D0 ,
>>>              diagonalization = 'david' ,
>>>  /
>>>  &IONS
>>>                 ion_dynamics = 'bfgs' ,
>>>  /
>>>  &CELL
>>>                cell_dynamics = 'bfgs' ,
>>>  /
>>> CELL_PARAMETERS angstrom
>>>      8.525783444    0.000815216    0.000018329
>>>     -4.262185569    7.385829154   -0.001218091
>>>      0.000043425   -0.005001079   21.778300000
>>> ATOMIC_SPECIES
>>>    Ge   72.59000  Ge.rel-pbe-n-kjpaw_psl.1.0.0.UPF
>>>    Te  127.60000  Te.rel-pbe-n-kjpaw_psl.1.0.0.UPF
>>> ATOMIC_POSITIONS angstrom
>>>    Ge      0.000000000   -0.000000000   19.963441273
>>>    Ge     -2.115262828    3.663742689   19.963441273
>>>    Ge      4.230525655   -0.000000000   19.963441273
>>>    Ge      2.115262828    3.663742689   19.963441273
>>>    Te      2.115262828    1.221247563   18.148582975
>>>    Te      0.000000000    4.884990252   18.148582975
>>>    Te      6.345788483    1.221247563   18.148582975
>>>    Te      4.230525655    4.884990252   18.148582975
>>>    Ge      0.000000000    2.442495126   16.333724678
>>>    Ge     -2.115262828    6.106237815   16.333724678
>>>    Ge      4.230525655    2.442495126   16.333724678
>>>    Ge      2.115262828    6.106237815   16.333724678
>>>    Te      0.000000000    0.000000000   14.518866380
>>>    Te     -2.115262828    3.663742689   14.518866380
>>>    Te      4.230525655    0.000000000   14.518866380
>>>    Te      2.115262828    3.663742689   14.518866380
>>>    Ge      2.115262828    1.221247563   12.704008083
>>>    Ge      0.000000000    4.884990252   12.704008083
>>>    Ge      6.345788483    1.221247563   12.704008083
>>>    Ge      4.230525655    4.884990252   12.704008083
>>>    Te      0.000000000    2.442495126   10.889149785
>>>    Te     -2.115262828    6.106237815   10.889149785
>>>    Te      4.230525655    2.442495126   10.889149785
>>>    Te      2.115262828    6.106237815   10.889149785
>>>    Ge      0.000000000    0.000000000    9.074291488
>>>    Ge     -2.115262828    3.663742689    9.074291488
>>>    Ge      4.230525655    0.000000000    9.074291488
>>>    Ge      2.115262828    3.663742689    9.074291488
>>>    Te      2.115262828    1.221247563    7.259433190
>>>    Te      0.000000000    4.884990252    7.259433190
>>>    Te      6.345788483    1.221247563    7.259433190
>>>    Te      4.230525655    4.884990252    7.259433190
>>>    Ge      0.000000000    2.442495126    5.444574893
>>>    Ge     -2.115262828    6.106237815    5.444574893
>>>    Ge      4.230525655    2.442495126    5.444574893
>>>    Ge      2.115262828    6.106237815    5.444574893
>>>    Te      0.000000000    0.000000000    3.629716595
>>>    Te     -2.115262828    3.663742689    3.629716595
>>>    Te      4.230525655    0.000000000    3.629716595
>>>    Te      2.115262828    3.663742689    3.629716595
>>>    Ge      2.115262828    1.221247563    1.814858298
>>>    Ge     -0.000000000    4.884990252    1.814858298
>>>    Ge      6.345788483    1.221247563    1.814858298
>>>    Ge      4.230525655    4.884990252    1.814858298
>>>    Te      0.000000000    2.442495126    0.000000000
>>>    Te     -2.115262828    6.106237815    0.000000000
>>>    Te      4.230525655    2.442495126    0.000000000
>>>    Te      2.115262828    6.106237815    0.000000000
>>> K_POINTS automatic
>>>   4 4 1   0 0 0
>>>
>>>
>>> ------------------------------
>>> *Dr. Jibiao Li, *
>>> *Department of Material Science and Engineering*
>>> *Yangtze Normal University*
>>> *Juxian Dadao 16#, Fuling, Chongqing, China*
>>> *Email: jibiaoli at yznu.edu.cn <jibiaoli at yznu.edu.cn>,
>>> jibiaoli at foxmail.com <jibiaoli at foxmail.com>, jibiao.li at hotmail.com
>>> <jibiao.li at hotmail.com>*
>>> *Homepage: https://www.researchgate.net/profile/Jibiao_Li
>>> <https://www.researchgate.net/profile/Jibiao_Li>*
>>>
>>> _______________________________________________
>>> Quantum ESPRESSO is supported by MaX (www.max-centre.eu/quantum-espresso
>>> )
>>> users mailing list users at lists.quantum-espresso.org
>>> https://lists.quantum-espresso.org/mailman/listinfo/users
>>
>> _______________________________________________
>> Quantum ESPRESSO is supported by MaX (www.max-centre.eu/quantum-espresso)
>> users mailing list users at lists.quantum-espresso.org
>> https://lists.quantum-espresso.org/mailman/listinfo/users
>
>
>
> --
> Paolo Giannozzi, Dip. Scienze Matematiche Informatiche e Fisiche,
> Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
> Phone +39-0432-558216, fax +39-0432-558222
>
> _______________________________________________
> Quantum ESPRESSO is supported by MaX (www.max-centre.eu/quantum-espresso)
> users mailing list users at lists.quantum-espresso.org
> https://lists.quantum-espresso.org/mailman/listinfo/users
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