[QE-users] Persistent 'ortho went bananas' Error in cp.x Run - Quantum Espresso

Vinay Maithani vinaymaithani21 at kgpian.iitkgp.ac.in
Tue Aug 15 10:21:33 CEST 2023


I'm still getting "ortho went bananas" in CPMD after reducing the time step
for electronic minimization and BOMD to dt= 1 a.u. and increasing the
number of steps for electronic minimization, BOMD, and the first few steps
of CPMD with gram-schmidt orthogonalization.


On Sat, Aug 12, 2023 at 1:29 PM Vinay Maithani <
vinaymaithani21 at kgpian.iitkgp.ac.in> wrote:

> Dear Quantum Espresso Community,
>
> I am encountering the following error while running cp.x:
>
> Error in routine ortho (1):
>
> ortho went bananas
>
> I have searched the forum for similar queries and have taken the following
> steps, as suggested:
>
> Performed 5 steps of electronic minimization (CG) while keeping the ions
> fixed.
>
> Executed 100 steps of electronic minimization (CG) with ion propagation
> using the Verlet method, then implemented 20 steps of Gram-Schmidt
> orthogonalization, as recommended in the forum, but the error persists.
>
> Below is the input file:
>
>  The input file is as follows:
>
> —----------------------------------------------
> &control
>
>   calculation = 'vc-cp',
>
>   verbosity = 'medium'
>
>   restart_mode = 'reset_counters',
>
>   prefix = 't-LGPS'
>
>   ndr   = 99
>
>   ndw   = 100
>
>   nstep  = 1000000,
>
>   iprint = 20,
>
>   isave  = 200,
>
>   dt    = 4.0,
>
>   tprnfor=.true.
>
>   tstress=.true.
>
>   outdir = './out/'
>
>   pseudo_dir = './pseudo/'
>
>   max_seconds = 258900
>
> /
>
>  &SYSTEM
>
>     ibrav=0,
>
>     nat=50,
>
>     ntyp=4,
>
>     ecutwfc =50
>
>     ecutrho = 400
>
>     nr1b = 24
>
>     nr2b = 24
>
>     nr3b = 24
>
>  /
>
>  &ELECTRONS
>
>     electron_dynamics='verlet',
>
>     emass=500
>
>     emass_cutoff=50.
>
>     orthogonalization = 'ortho'
>
>     ortho_max=2000,
>
>  /
>
>  &IONS
>
>     ion_dynamics='verlet',
>
>     ion_temperature='nose',
>
>     tempw=800,
>
>     fnosep=17,
>
>     nhptyp=1,
>
>  /
>
>  &CELL
>
>     cell_dynamics = 'pr',
>
>     ! cell_velocities='zero'
>
>  /
>
> ATOMIC_SPECIES
>
>     Li 6.941 li_pbe_v1.4.uspp.F.UPF
>
>     Ge 72.61 Ge.pbe-dn-rrkjus_psl.1.0.0.UPF
>
>     P 30.974 P.pbe-n-rrkjus_psl.1.0.0.UPF
>
>     S 32.065 s_pbe_v1.4.uspp.F.UPF
>
> ATOMIC_POSITIONS bohr
>
> Li          20.6629841613       3.6851727031      -1.4992719072
>
> Li          25.6294468474       0.2068198972       2.4876796336
>
> Li          -3.9090962454      13.6808669618     -24.2540631665
>
> Li           4.5033364786      11.9182959466       2.4393287544
>
> Li          -9.1511415045       9.8587153964      -3.8555206903
>
> Li          -4.4780641345      22.3350628366     -30.6024513796
>
> Li         -12.4540717638       5.2233400246       4.2552322764
>
> Li          25.4498872639      25.1835852679     -15.5440428254
>
> Li           3.3163878083      -5.0262598542       9.5898555111
>
> Li          20.1254012244      10.5740998890      19.5990634787
>
> Li          -5.4424610019      -5.1478405229      14.0528365521
>
> Li           6.8803269372      -2.5794607860      39.2906659538
>
> Li           0.7147809433      25.7239506287     -23.6869863403
>
> Li          19.7180469419       3.7197648208      -8.2190064894
>
> Li          45.6219764294      18.0306173746      28.2250517537
>
> Li          13.6031521229      12.0396893060       7.9220733544
>
> Li          14.5058639932      13.6933560308      20.6809186836
>
> Li          20.3496541866      34.9410938425      11.5657750888
>
> Li          16.5279296506      -8.8628640659      12.2217862146
>
> Li          11.8672535947       2.4851365590       9.9396249056
>
> Ge          16.1371368108       6.9288616042       6.6781474971
>
> Ge           7.8035558984      15.6544271616      21.6722839202
>
> P           16.3339143747      15.1044255833      14.7138000566
>
> P            8.0213042647       6.4290406401      26.3639616857
>
> P           -0.5991364109       7.3229346755      18.8489705091
>
> P            7.7323253688      -1.2361594807       8.5672437428
>
> S           16.3120544549       2.2180594880      12.0649654776
>
> S           -1.4503715965      12.3998758392      11.8736673024
>
> S            4.7167533484       6.4662566526      24.4710057998
>
> S           11.0776880727       6.4835209698      23.8342358828
>
> S            9.0212688766      11.0076693616       3.4492280363
>
> S            8.8049554436       4.7629716243       4.1857924804
>
> S            2.6367097762      14.3368290410      16.7778035429
>
> S           13.1100193775      15.2708284806      17.0409136554
>
> S           -0.3921790825       3.5738540883       4.1840426523
>
> S           -0.2221711550      10.8649945673       3.8569769202
>
> S            2.5783704276       7.2499226893      16.6352393049
>
> S           13.0780378397       6.7988008862      16.6857923376
>
> S            7.9121081766      11.7660392188      11.4031251271
>
> S            7.8720022954       1.9589139085      10.9153629326
>
> S            4.7117014004      14.9061616708      24.3548944516
>
> S           11.5143148960      15.1459828838      24.2743849430
>
> S           16.2499569792       9.8501961145      21.7253180487
>
> S           -0.4982582334       3.9415685832      20.6992026710
>
> S           12.8202097553       7.3014355645       9.1046230488
>
> S            2.7794610588       7.0541679169       8.6433688610
>
> S            7.1138180117       2.3867072141      17.9269693005
>
> S            7.8055865293      12.2832638986      19.3816966388
>
> S           10.8921901977      -0.9102668321       6.7064455191
>
> S            4.7101396537      -1.0886944972       6.6661992774
>
> ATOMIC_VELOCITIES a.u
>
> Li           0.0000698309       0.0000792631      -0.0003422900
>
> Li          -0.0002063461       0.0002114736      -0.0006618074
>
> Li          -0.0004227262       0.0003002353       0.0000751444
>
> Li           0.0003488565       0.0008321303       0.0001435217
>
> Li           0.0003602942       0.0005845402       0.0000245611
>
> Li           0.0000679025       0.0002907511      -0.0000592297
>
> Li          -0.0000054707      -0.0005644007       0.0004418596
>
> Li           0.0001381509       0.0003085050      -0.0001486948
>
> Li          -0.0001115975      -0.0006806114       0.0003692647
>
> Li           0.0003861581      -0.0000473216       0.0002284754
>
> Li           0.0001766578       0.0000787968       0.0003755182
>
> Li           0.0000457926       0.0005283205      -0.0002147597
>
> Li           0.0004277986       0.0000033406       0.0000836259
>
> Li          -0.0001909116      -0.0001752812       0.0001223873
>
> Li          -0.0005954392       0.0001163063       0.0001445777
>
> Li          -0.0001002524      -0.0001657781      -0.0001721950
>
> Li           0.0003533042      -0.0003317028      -0.0002822654
>
> Li          -0.0005815526       0.0005096475       0.0000063128
>
> Li          -0.0004181287      -0.0009642189       0.0000545215
>
> Li          -0.0000669454      -0.0003812628      -0.0001496380
>
> Ge          -0.0002113678      -0.0001900795       0.0000796607
>
> Ge          -0.0000584066       0.0000228964      -0.0001564164
>
> P            0.0000611260      -0.0000179508      -0.0001641624
>
> P            0.0002426006       0.0002113397      -0.0003106450
>
> P            0.0000916826       0.0000618899      -0.0002103715
>
> P            0.0001123490      -0.0001378150       0.0001608901
>
> S           -0.0003405009       0.0000476936      -0.0000496800
>
> S           -0.0000593682       0.0000726991      -0.0002546998
>
> S            0.0001560902       0.0000014352       0.0004052510
>
> S           -0.0000361195      -0.0001854454      -0.0000066095
>
> S           -0.0000331004      -0.0001157779       0.0004227270
>
> S            0.0000088210       0.0000217627       0.0001022064
>
> S            0.0000501518       0.0002602549       0.0005269034
>
> S           -0.0001424763      -0.0002216536       0.0001586439
>
> S            0.0001385147      -0.0002075947       0.0000704887
>
> S           -0.0002897404      -0.0002562835      -0.0000966572
>
> S            0.0000955363       0.0001673003      -0.0001418044
>
> S            0.0000955656       0.0000522339      -0.0001149029
>
> S            0.0001013266      -0.0000168155       0.0002149322
>
> S            0.0000610624      -0.0000802707      -0.0000975871
>
> S            0.0001427463       0.0001632752      -0.0001368503
>
> S           -0.0001313912       0.0001249096       0.0000464596
>
> S            0.0000434355       0.0000705594      -0.0001038769
>
> S           -0.0000446181       0.0001304546      -0.0001555198
>
> S            0.0000469432       0.0001766856      -0.0000547940
>
> S            0.0001760532       0.0003620971      -0.0000238287
>
> S            0.0002165401      -0.0002389935       0.0002004522
>
> S           -0.0000667306       0.0001027468       0.0001472328
>
> S           -0.0000422543      -0.0001012208      -0.0002995210
>
> S            0.0000441956      -0.0001802586      -0.0000871235
>
> CELL_PARAMETERS bohr
>
>       16.7541810900      -0.2420691300       0.3210000600
>
>        0.0257510700      16.4106167400       0.8503890500
>
>       -0.3762922200      -1.3259097400      24.7335052800
>
> K_POINTS gamma
>
> —---------------------------------
>
> I would appreciate any help or guidance from the community in resolving
> this issue. Thank you for your support.
>
> Best regards,
>
> Vinay
>
>
>
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