[QE-users] Error in routine phq_readin

Paolo Giannozzi p.giannozzi at gmail.com
Wed May 19 08:12:34 CEST 2021


Typically this happens if you have a very small or nonexistent gap. The
Raman coefficients diverge for metals.

Paolo

On Tue, May 18, 2021 at 4:10 PM Mauro Sgroi <maurofrancesco.sgroi at gmail.com>
wrote:

> Dear all,
> I performed the calculation of Raman response on Li2TiS3.
> The output of dynmat.x contains some *****.
> So I'm not sure everything went correctly.
> Could you please advise me on this point?
> My ph.x input is:
>
> Normal modes for LTS
>  &inputph
>   prefix='LTS'
>   outdir='/workhpc/FCA/FCA_CRF_STRUT/sgroi/tmp/LTS'
>   fildyn='dmat.lts'
>   amass(1)=6.941
>   amass(2)=47.867
>   amass(3)=32.06
>   tr2_ph=1.0d-14
>   epsil=.false.
>   lraman=.true.
>   trans=.true.
>   asr=.true.
>  /
>  0.0 0.0 0.0
>
> The dynmat.x output is below.
> Thanks a lot and best regards,
> Mauro.
>
> Program DYNMAT v.6.7MaX starts on 18May2021 at 14:14:37
>
>      This program is part of the open-source Quantum ESPRESSO suite
>      for quantum simulation of materials; please cite
>          "P. Giannozzi et al., J. Phys.:Condens. Matter 21 395502 (2009);
>          "P. Giannozzi et al., J. Phys.:Condens. Matter 29 465901 (2017);
>           URL http://www.quantum-espresso.org",
>      in publications or presentations arising from this work. More details
> at
>      http://www.quantum-espresso.org/quote
>
>      Parallel version (MPI), running on    56 processors
>
>      MPI processes distributed on     2 nodes
>      R & G space division:  proc/nbgrp/npool/nimage =      56
>
>      Reading Dynamical Matrix from file
> /workhpc/FCA/FCA_CRF_STRUT/sgroi/spider/disorder/raman/LTS_1292_simm_ph_1125223/dmat.lts
>      ...Force constants read
>      ...epsilon and Z* read
>      ...Raman cross sections read
>      A direction for q was not specified:TO-LO splitting will be absent
>
>      Polarizability (A^3 units)
>      multiply by 0.001372 for Clausius-Mossotti correction
>      ************    0.000000    0.000000
>          0.000000************    0.000000
>          0.000000    0.000000************
>
>      IR activities are in (D/A)^2/amu units
>      Raman activities are in A^4/amu units
>      multiply Raman by 0.000002 for Clausius-Mossotti correction
>
> # mode   [cm-1]    [THz]      IR          Raman   depol.fact
>     1   -203.82   -6.1104    0.0000         0.0000    0.0446
>     2   -203.82   -6.1104    0.0000         0.0000    0.0471
>     3   -203.82   -6.1104    0.0000         0.0000    0.0026
>     4   -171.56   -5.1434    0.0000         0.0000    0.0690
>     5   -171.56   -5.1434    0.0000         0.0000    0.6894
>     6    -96.45   -2.8916    0.0688         0.0000    0.0583
>     7    -96.45   -2.8916    0.0688         0.0000    0.0437
>     8    -96.45   -2.8916    0.0688         0.0000    0.1033
>     9    -87.26   -2.6160    0.0000***************    0.7500
>    10    -87.26   -2.6160    0.0000***************    0.7500
>    11    -87.26   -2.6160    0.0000***************    0.7500
>    12    -55.85   -1.6743    0.1865         0.0000    0.1152
>    13    -55.85   -1.6743    0.1865         0.0000    0.0240
>    14    -55.85   -1.6743    0.1865         0.0000    0.0315
>    15     48.66    1.4587    0.0000         0.0000    0.4895
>    16     48.66    1.4587    0.0000         0.0000    0.3789
>    17     48.66    1.4587    0.0000         0.0000    0.4825
>    18     53.37    1.6000    0.0000***************    0.7500
>    19     53.37    1.6000    0.0000***************    0.7500
>    20     53.37    1.6000    0.0000***************    0.7500
>    21     66.49    1.9933    0.0000         0.0000    0.3844
>    22     66.49    1.9933    0.0000         0.0000    0.6394
>    23     66.49    1.9933    0.0000         0.0000    0.0280
>    24     74.33    2.2282    0.0000         0.0000    0.5755
>    25     74.33    2.2282    0.0000         0.0000    0.0468
>    26     74.33    2.2282    0.0000         0.0000    0.0004
>    27     75.33    2.2584   10.9827         0.0000    0.1195
>    28     75.33    2.2584   10.9827         0.0000    0.0807
>    29     75.33    2.2584   10.9827         0.0000    0.1219
>    30     82.26    2.4660    0.0000***************    0.7500
>    31     82.26    2.4660    0.0000***************    0.7500
>    32     82.26    2.4660    0.0000***************    0.7500
>    33     82.70    2.4794    0.3903         0.0000    0.6775
>    34     82.70    2.4794    0.3903         0.0000    0.1438
>    35     82.70    2.4794    0.3903         0.0000    0.7137
>    36    109.56    3.2846    0.0000         0.0000    0.0240
>    37    109.56    3.2846    0.0000         0.0000    0.7465
>    38    109.56    3.2846    0.0000         0.0000    0.0211
>    39    113.76    3.4104    0.0000         0.0000    0.0018
>    40    113.76    3.4104    0.0000         0.0000    0.0971
>    41    125.29    3.7560    0.0000         0.0000    0.6289
>    42    125.72    3.7689    0.0000         0.0000    0.0914
>    43    125.72    3.7689    0.0000         0.0000    0.3137
>    44    125.72    3.7689    0.0000         0.0000    0.7290
>    45    128.01    3.8376    0.0000***************    0.7500
>    46    128.01    3.8376    0.0000***************    0.7500
>    47    130.81    3.9216    5.1099         0.0000    0.1490
>    48    130.81    3.9216    5.1099         0.0000    0.4817
>    49    130.81    3.9216    5.1099         0.0000    0.4423
>    50    141.66    4.2468    0.0000         0.0000    0.7302
>    51    141.66    4.2468    0.0000         0.0000    0.2103
>    52    141.66    4.2468    0.0000         0.0000    0.0873
>    53    147.03    4.4080    0.0000***************    0.7500
>    54    147.03    4.4080    0.0000***************    0.7500
>    55    147.03    4.4080    0.0000***************    0.7500
>    56    148.81    4.4613   51.0029         0.0000    0.0780
>    57    148.81    4.4613   51.0029         0.0000    0.7235
>    58    148.81    4.4613   51.0029         0.0000    0.3316
>    59    152.81    4.5810    0.0000         0.0000    0.0221
>    60    161.24    4.8338    0.0000         0.0000    0.7343
>    61    161.24    4.8338    0.0000         0.0000    0.1435
>    62    161.24    4.8338    0.0000         0.0000    0.6876
>    63    161.54    4.8428    0.0000***************    0.7500
>    64    161.54    4.8428    0.0000***************    0.7500
>    65    161.54    4.8428    0.0000***************    0.7500
>    66    162.99    4.8865   59.5231         0.0000    0.6788
>    67    162.99    4.8865   59.5231         0.0000    0.7385
>    68    162.99    4.8865   59.5231         0.0000    0.1309
>    69    165.88    4.9730    0.0000***************    0.7500
>    70    165.88    4.9730    0.0000***************    0.7500
>    71    166.26    4.9844    0.0000         0.0000    0.2318
>    72    166.26    4.9844    0.0000         0.0000    0.5836
>    73    166.26    4.9844    0.0000         0.0000    0.4044
>    74    166.57    4.9937    0.0000         0.0000    0.7472
>    75    166.57    4.9937    0.0000         0.0000    0.1073
>    76    174.41    5.2286    0.0000***************    0.7500
>    77    174.41    5.2286    0.0000***************    0.7500
>    78    188.56    5.6528    0.0708         0.0000    0.0000
>    79    188.56    5.6528    0.0708         0.0000    0.0000
>    80    188.56    5.6528    0.0708         0.0000    0.0000
>    81    189.62    5.6846    0.0000***************    0.0000
>    82    195.24    5.8531   27.0529         0.0000    0.0014
>    83    195.24    5.8531   27.0529         0.0000    0.0017
>    84    195.24    5.8531   27.0529         0.0000    0.1376
>    85    200.54    6.0120    0.0000***************    0.7500
>    86    200.54    6.0120    0.0000***************    0.7500
>    87    200.54    6.0120    0.0000***************    0.7500
>    88    201.99    6.0554    0.0000         0.0000    0.0689
>    89    201.99    6.0554    0.0000         0.0000    0.0737
>    90    201.99    6.0554    0.0000         0.0000    0.0027
>    91    205.73    6.1675    0.0000***************    0.7500
>    92    205.73    6.1675    0.0000***************    0.7500
>    93    209.84    6.2909    0.0000         0.0000    0.0370
>    94    209.84    6.2909    0.0000         0.0000    0.0034
>    95    209.84    6.2909    0.0000         0.0000    0.0009
>    96    213.97    6.4147    0.0000***************    0.7500
>    97    213.97    6.4147    0.0000***************    0.7500
>    98    213.97    6.4147    0.0000***************    0.7500
>    99    214.48    6.4299    0.0000***************    0.0000
>   100    223.03    6.6863  246.1916         0.0000    0.0000
>   101    223.03    6.6863  246.1916         0.0000    0.0000
>   102    223.03    6.6863  246.1916         0.0000    0.0000
>   103    223.12    6.6888    0.0000***************    0.0000
>   104    225.35    6.7559    0.0000***************    0.7500
>   105    225.35    6.7559    0.0000***************    0.7500
>   106    229.33    6.8750    0.0000         0.0000    0.0032
>   107    236.96    7.1039    0.0000         0.0000    0.0052
>   108    236.96    7.1039    0.0000         0.0000    0.0018
>   109    237.44    7.1182    0.0000***************    0.7500
>   110    237.44    7.1182    0.0000***************    0.7500
>   111    243.43    7.2979    0.6900         0.0000    0.0187
>   112    243.43    7.2979    0.6900         0.0000    0.0025
>   113    243.43    7.2979    0.6900         0.0000    0.0585
>   114    247.34    7.4151    0.0000         0.0000    0.0062
>   115    247.34    7.4151    0.0000         0.0000    0.0021
>   116    247.34    7.4151    0.0000         0.0000    0.0025
>   117    268.74    8.0566    2.2052         0.0000    0.0266
>   118    268.74    8.0566    2.2052         0.0000    0.0054
>   119    268.74    8.0566    2.2052         0.0000    0.0040
>   120    269.29    8.0732    0.0000         0.0000    0.0034
>   121    269.29    8.0732    0.0000         0.0000    0.5315
>   122    269.29    8.0732    0.0000         0.0000    0.0008
>   123    274.44    8.2276   62.0341         0.0000    0.0168
>   124    274.44    8.2276   62.0341         0.0000    0.0343
>   125    274.44    8.2276   62.0341         0.0000    0.6886
>   126    275.83    8.2692    0.0000***************    0.7500
>   127    275.83    8.2692    0.0000***************    0.7500
>   128    275.83    8.2692    0.0000***************    0.7500
>   129    290.33    8.7040    0.0000***************    0.0000
>   130    291.86    8.7497    0.0000         0.0000    0.0000
>   131    293.27    8.7919    0.0000***************    0.0000
>   132    294.57    8.8309    2.8472         0.0000    0.0002
>   133    294.57    8.8309    2.8472         0.0000    0.0000
>   134    294.57    8.8309    2.8472         0.0000    0.0001
>   135    296.28    8.8823    0.0000         0.0000    0.0003
>   136    296.28    8.8823    0.0000         0.0000    0.0350
>   137    296.28    8.8823    0.0000         0.0000    0.0032
>   138    300.23    9.0006    0.0000***************    0.7500
>   139    300.23    9.0006    0.0000***************    0.7500
>   140    308.69    9.2544    0.0000***************    0.7500
>   141    308.69    9.2544    0.0000***************    0.7500
>   142    308.69    9.2544    0.0000***************    0.7500
>   143    310.57    9.3108    0.0000         0.0000    0.0037
>   144    314.66    9.4333    0.4477         0.0000    0.0025
>   145    314.66    9.4333    0.4477         0.0000    0.0810
>   146    314.66    9.4333    0.4477         0.0000    0.0833
>   147    333.94   10.0111    0.0000***************    0.0000
>   148    335.37   10.0542    0.0000***************    0.7500
>   149    335.37   10.0542    0.0000***************    0.7500
>   150    336.93   10.1008    0.0000***************    0.7500
>   151    336.93   10.1008    0.0000***************    0.7500
>   152    336.93   10.1008    0.0000***************    0.7500
>   153    341.84   10.2482    0.0000         0.0000    0.0001
>   154    358.11   10.7359   92.9430         0.0000    0.0002
>   155    358.11   10.7359   92.9430         0.0000    0.0010
>   156    358.11   10.7359   92.9430         0.0000    0.0018
>   157    359.66   10.7825    0.0000         0.0000    0.3999
>   158    359.66   10.7825    0.0000         0.0000    0.4718
>   159    359.66   10.7825    0.0000         0.0000    0.2722
>   160    370.14   11.0965    0.0000         0.0000    0.1442
>   161    370.14   11.0965    0.0000         0.0000    0.0046
>   162    370.14   11.0965    0.0000         0.0000    0.0016
>
>      DYNMAT       :      0.12s CPU      0.16s WALL
>
>
>    This run was terminated on:  14:14:37  18May2021
>
>
> =------------------------------------------------------------------------------=
>    JOB DONE.
>
> =------------------------------------------------------------------------------=
>
>
>
> Il giorno mar 11 mag 2021 alle ore 15:12 Mauro Sgroi <
> maurofrancesco.sgroi at gmail.com> ha scritto:
>
>> Dear Lorenzo,
>> I've resent the calculation with fixed occupations.
>> It is working now.
>> Thanks a lot and best regards,
>> Mauro Sgroi.
>>
>> Il giorno lun 10 mag 2021 alle ore 22:58 Lorenzo Paulatto <
>> paulatz at gmail.com> ha scritto:
>>
>>> Hello,
>>> I suspect you cannot do Raman with tetrahedra, i.e. only
>>> occupations="fixed" works. If you really need to use tetrahedra to have the
>>> scf converge, I think you may follow it with an nscf calculation with fixed
>>> occupation. There is a risk getting some divergency in the Raman tensor,
>>> but   if the CPU time is not prohibitive, it is worth a try.
>>>
>>> cheers
>>>
>>> --
>>> Lorenzo Paulatto - Paris
>>> On May 10 2021, at 10:48 pm, Mauro Sgroi <maurofrancesco.sgroi at gmail.com>
>>> wrote:
>>>
>>> Dear QE users,
>>> I'm trying to calculate the Raman response of the cubic Li2TiS3 material.
>>> I'm using LDA, NC pseudopotentials and the tetrahedra method.
>>> When I run ph.x I get the error message:
>>>
>>> Error in routine phq_readin (1):
>>> no elec. field with metals
>>>
>>> even if I'm not using a smearing and I set epsil=.false.
>>>
>>> Below are my input files.
>>> Could please give me advice?
>>>
>>> Thank you and best regards,
>>> Mauro Sgroi
>>> Centro Ricerche FIAT
>>> Italy
>>>
>>> Normal modes for LTS
>>>  &inputph
>>>   prefix='LTS'
>>>   outdir='/workhpc/FCA/FCA_CRF_STRUT/sgroi/tmp/LTS'
>>>   fildyn='dmat.lts'
>>>   amass(1)=6.941
>>>   amass(2)=47.867
>>>   amass(3)=32.06
>>>   tr2_ph=1.0d-14
>>>   epsil=.false.
>>>   lraman=.true.
>>>   trans=.true.
>>>   asr=.true.
>>>  /
>>>  0.0 0.0 0.0
>>>
>>>
>>> &CONTROL
>>>                        title = 'Li2TiS3'
>>>                   pseudo_dir =
>>> '/workhpc/FCA/FCA_CRF_STRUT/sgroi/DATABASE/ESPRESSO/ONCV'
>>>                       prefix = 'LTS'
>>>                      outdir  = '/workhpc/FCA/FCA_CRF_STRUT/sgroi/tmp/LTS'
>>>                  calculation = 'scf'
>>>                      disk_io = 'default'
>>>  /
>>>  &SYSTEM
>>>                        ibrav = 0
>>>                            A = 10.736
>>>                          nat = 54
>>>                         ntyp = 3
>>>                      ecutwfc = 100
>>>                      ecutrho = 400
>>>                  occupations = 'tetrahedra_opt'
>>>                    input_dft = 'LDA'
>>>
>>>  /
>>>  &ELECTRONS
>>>             electron_maxstep = 200
>>>                     conv_thr = 1.0D-9
>>>                  startingpot = 'atomic'
>>>                  startingwfc = 'atomic'
>>>                  mixing_mode = 'plain'
>>>                  mixing_beta = 0.1
>>>              diagonalization = 'david'
>>>             diago_david_ndim = 4
>>>  /
>>>
>>> ATOMIC_SPECIES
>>>  Li  6.941 Li_ONCV_PBE-1.2.upf
>>>  Ti 47.867 Ti_ONCV_PBE-1.2.upf
>>>  S  32.06  S_ONCV_PBE-1.2.upf
>>>
>>> K_POINTS {automatic}
>>> 5 5 5 1 1 1
>>>
>>> CELL_PARAMETERS {alat}
>>> 0.000000   0.707107   0.707107
>>> 0.707107   0.000000   0.707107
>>> 0.707107   0.707107   0.000000
>>>
>>> ATOMIC_POSITIONS {CRYSTAL}
>>> S             0.1593887455        0.1593887455        0.1593887455
>>> S             0.8333333130        0.8333333130        0.8333333130
>>> S             0.1714035391        0.1714035391        0.4952631329
>>> S             0.8333333130        0.8333333130        0.4946417274
>>> S             0.1714035391        0.4952631329        0.1714035391
>>> S             0.8333333130        0.4946417274        0.8333333130
>>> S             0.4952631329        0.1714035391        0.1714035391
>>> S             0.4946417274        0.8333333130        0.8333333130
>>> S             0.1720249296        0.8333333130        0.8333333130
>>> S             0.4952631329        0.1714035391        0.4952631329
>>> S             0.1720249296        0.8333333130        0.4946417274
>>> S             0.4952631329        0.4952631329        0.1714035391
>>> S             0.1720249296        0.4946417274        0.8333333130
>>> S             0.8551670924        0.1593887455        0.1593887455
>>> S             0.8333333130        0.1720249296        0.8333333130
>>> S             0.1714035391        0.4952631329        0.4952631329
>>> S             0.8333333130        0.1720249296        0.4946417274
>>> S             0.1593887455        0.8551670924        0.1593887455
>>> S             0.4946417274        0.1720249296        0.8333333130
>>> S             0.8333333130        0.8333333130        0.1720249296
>>> S             0.1593887455        0.1593887455        0.8551670924
>>> S             0.8333333130        0.4946417274        0.1720249296
>>> S             0.4946417274        0.8333333130        0.1720249296
>>> S             0.5072779265        0.5072779265        0.8114995336
>>> S             0.8114995336        0.5072779265        0.5072779265
>>> S             0.5072779265        0.8114995336        0.5072779265
>>> S             0.5072779265        0.5072779265        0.5072779265
>>> Ti           -0.0050323800       -0.0050323800       -0.0050323800
>>> Ti            0.3484304831       -0.0050323800       -0.0050323800
>>> Ti           -0.0050323800        0.3484304831       -0.0050323800
>>> Ti           -0.0050323800       -0.0050323800        0.3484304831
>>> Ti            0.6716990670        0.6716990670        0.3182362029
>>> Ti            0.3182362029        0.6716990670        0.6716990670
>>> Ti            0.6716990670        0.3182362029        0.6716990670
>>> Ti            0.6716990670        0.6716990670        0.6716990670
>>> Ti            0.3333333430        0.3333333430        0.3333333430
>>> Li            0.3333333430        0.3333333430        0.6458068818
>>> Li            0.6458068818        0.3333333430        0.3333333430
>>> Li            0.3333333430        0.6458068818        0.3333333430
>>> Li            0.0208598052        0.6458068818        0.3333333430
>>> Li            0.0208598052        0.3333333430        0.3333333430
>>> Li            0.0208598052        0.3333333430        0.6458068818
>>> Li            0.6458068818        0.0208598052        0.3333333430
>>> Li            0.3333333430        0.0208598052        0.6458068818
>>> Li            0.3333333430        0.0208598052        0.3333333430
>>> Li            0.3333333430        0.3333333430        0.0208598052
>>> Li            0.3333333430        0.6458068818        0.0208598052
>>> Li            0.6458068818        0.3333333430        0.0208598052
>>> Li            0.6721036660       -0.0054369790       -0.0054369790
>>> Li           -0.0054369790        0.6721036660       -0.0054369790
>>> Li           -0.0054369790       -0.0054369790        0.6721036660
>>> Li            0.6721036660       -0.0054369790        0.6721036660
>>> Li            0.6721036660        0.6721036660       -0.0054369790
>>> Li           -0.0054369790        0.6721036660        0.6721036660
>>> _______________________________________________
>>> Quantum ESPRESSO is supported by MaX (www.max-centre.eu)
>>> users mailing list users at lists.quantum-espresso.org
>>> https://lists.quantum-espresso.org/mailman/listinfo/users
>>>
>>> [image: Sent from Mailspring]
>>> _______________________________________________
>>> Quantum ESPRESSO is supported by MaX (www.max-centre.eu)
>>> 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)
> 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 206, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222
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