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

Vinay Maithani vinaymaithani21 at kgpian.iitkgp.ac.in
Sat Aug 12 09:59:46 CEST 2023


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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