[Pw_forum] Convergence problem in NEB

Paolo Giannozzi p.giannozzi at gmail.com
Thu Jul 16 18:20:40 CEST 2015


0) Please do not reply to a message to start a different discussion. Please
read this: http://www.quantum-espresso.org/forum/#1.0
1) Remove ESM, check whether you still have problems

Paolo


On Thu, Jul 16, 2015 at 5:19 PM, Nkosinathi Malaza <nuttymalaza at gmail.com>
wrote:

> Hi,
>
> I also have a problem to relax a system of Al and H20, the system does not
> finish it crashes. I have attached the output file. Please advise me further
>
> Kind regards
> N. Malaza
>
> On Thu, Jul 16, 2015 at 3:32 PM, Junning Li <johnnyli4 at outlook.com> wrote:
>
>> Dear All,
>>      I met a problem of convergence in NEB calculation. The calculation
>> ended in a quite beginning time saying one of the images didn't converged.
>> The input and output files are attached.
>>
>>      The tail of the output file is follow:
>>
>> ---------------------------------------------------------------------------------
>>
>>
>>      cpu =  0   tcpu =   5281.3    self-consistency for image   2
>>
>>      WARNING :  scf convergence NOT achieved on image   2
>>
>>      cleaning-up extrapolation files
>>
>>
>>      NEB          :     1h31m CPU        1h40m WALL
>>
>>
>>    This run was terminated on:   9:35: 9   9Jul2015
>>
>>
>> =------------------------------------------------------------------------------=
>>    JOB DONE.
>>
>> =------------------------------------------------------------------------------
>>
>> My input file content is following:
>>
>> --------------------------------------------------------------------------------
>> BEGIN
>> BEGIN_PATH_INPUT
>> &PATH
>>   restart_mode      = 'from_scratch'
>>   string_method     = 'neb',
>>   nstep_path        = 100,
>>   ds                = 2.D0,
>>   opt_scheme        = "broyden",
>>   num_of_images     = 5,
>>   k_max             = 0.3D0,
>>   k_min             = 0.2D0,
>>   CI_scheme         = "no-CI",
>>   path_thr          = 0.1D0,
>> /
>> END_PATH_INPUT
>> BEGIN_ENGINE_INPUT
>> &CONTROL
>>   prefix         = c2c2_c2c1+h
>>   outdir         = "./bin",
>>   pseudo_dir     = "/public/pseudos_qe",
>>   max_seconds=172500
>> /
>> &SYSTEM
>>   ibrav                  = 0,
>>   nat                    = 54,
>>   ntyp                   = 4,
>>   ecutwfc                = 34 ,
>>   ecutrho                = 340 ,
>>   occupations='smearing', smearing='mp', degauss=0.012
>>   input_dft = 'rvv10'
>> /
>> &ELECTRONS
>>   mixing_mode = 'local-TF'
>>   conv_thr = 1.0e-8
>>   mixing_beta = 0.7
>> /
>> ATOMIC_SPECIES
>> Al  26.9815385  Al.pbe-n-van.UPF
>> Ni  58.6934     Ni.pbe-nd-rrkjus.UPF
>> H   1.00794     H.pbe-rrkjus.UPF
>> C    12.01115     C.pbe-rrkjus.UPF
>> BEGIN_POSITIONS
>> FIRST_IMAGE
>> ATOMIC_POSITIONS (angstrom)
>> Ni       6.321923530   3.649964250   4.935268420    0   0   0
>> Ni       5.057538830   1.459985700   4.935268420    0   0   0
>> Ni       3.793154120   3.649964250   4.935268420    0   0   0
>> Ni       8.850692943   8.029921354   4.935268420    0   0   0
>> Ni       7.586308243   5.839942804   4.935268420    0   0   0
>> Ni       6.321923533   8.029921354   4.935268420    0   0   0
>> Ni      11.379462356   3.649964250   4.935268420    0   0   0
>> Ni      10.115077656   1.459985700   4.935268420    0   0   0
>> Ni       8.850692946   3.649964250   4.935268420    0   0   0
>> Ni      13.908231769   8.029921354   4.935268420    0   0   0
>> Ni      12.643847069   5.839942804   4.935268420    0   0   0
>> Ni      11.379462359   8.029921354   4.935268420    0   0   0
>> Al       2.528769410   1.459985700   4.935268420    0   0   0
>> Al       5.057538823   5.839942804   4.935268420    0   0   0
>> Al       7.586308236   1.459985700   4.935268420    0   0   0
>> Al      10.115077649   5.839942804   4.935268420    0   0   0
>> Ni       1.276650472   0.746368013   8.979629393
>> Ni      -0.002291088  -1.442656781   8.995866513
>> Ni      -1.259856605   0.736080799   8.998058871
>> Ni       3.800810766   2.200134027   6.955597149
>> Ni       2.534692369   0.002785525   6.953019276
>> Ni       1.262476016   2.201313447   6.954326877
>> Ni       3.803040035   5.130781830   8.994425962
>> Ni       2.538537151   2.932664491   8.978717542
>> Ni       1.289845023   5.133477916   8.989765743
>> Ni       6.324449755   6.568505941   6.982750055
>> Ni       5.069162565   4.391717813   6.986081303
>> Ni       3.789359903   6.580437255   6.972983638
>> Ni       6.338110139   0.743714992   8.996188401
>> Ni       5.083382614  -1.433503622   8.989914170
>> Ni       3.801977887   0.747812786   8.979837699
>> Ni       8.845233170   2.201885794   6.984006850
>> Ni       7.589046261   0.000090173   6.974341609
>> Ni       6.333330120   2.201281155   6.986505066
>> Ni       8.895551399   5.148342272   9.190547319
>> Ni       7.605817863   2.946065757   9.068710708
>> Ni       6.343129087   5.128926385   9.068635484
>> Ni      11.379677820   6.575782661   6.971323507
>> Ni      10.090059085   4.391481888   6.998090700
>> Ni       8.845127236   6.551379943   6.995711235
>> Al       0.002320760   0.007045198   6.964486579
>> Al       5.046632203   2.922942946   9.009133107
>> Al       2.529105218   4.388348103   6.960234433
>> Al       7.590243426   7.348434345   8.996514660
>> Al       5.061457932   0.004475084   6.960318692
>> Al      10.149414659   2.913932758   9.003530078
>> Al       7.588149137   4.387211040   7.010532167
>> Al      12.654789109   7.315230658   9.060272159
>> C        8.735489639   5.099531693  11.226741059
>> C        7.558051610   4.401411922  10.828538185
>> H        9.576186850   4.535967955  11.629599855
>> H        7.522429705   3.315126659  11.061522538
>> H        8.650115069   6.117361652  11.605965160
>> H        6.585410438   4.903223939  11.037275912
>> LAST_IMAGE
>> ATOMIC_POSITIONS (angstrom)
>> Ni       6.321923530   3.649964250   4.935268420    0   0   0
>> Ni       5.057538830   1.459985700   4.935268420    0   0   0
>> Ni       3.793154120   3.649964250   4.935268420    0   0   0
>> Ni       8.850692943   8.029921354   4.935268420    0   0   0
>> Ni       7.586308243   5.839942804   4.935268420    0   0   0
>> Ni       6.321923533   8.029921354   4.935268420    0   0   0
>> Ni      11.379462356   3.649964250   4.935268420    0   0   0
>> Ni      10.115077656   1.459985700   4.935268420    0   0   0
>> Ni       8.850692946   3.649964250   4.935268420    0   0   0
>> Ni      13.908231769   8.029921354   4.935268420    0   0   0
>> Ni      12.643847069   5.839942804   4.935268420    0   0   0
>> Ni      11.379462359   8.029921354   4.935268420    0   0   0
>> Al       2.528769410   1.459985700   4.935268420    0   0   0
>> Al       5.057538823   5.839942804   4.935268420    0   0   0
>> Al       7.586308236   1.459985700   4.935268420    0   0   0
>> Al      10.115077649   5.839942804   4.935268420    0   0   0
>> Ni       1.299613009   0.729343045   8.973487915
>> Ni       0.042668222  -1.452697892   9.059161275
>> Ni      -1.232650972   0.706248526   8.978690508
>> Ni       3.812974437   2.192486692   6.953612905
>> Ni       2.542724553  -0.010559521   6.950733527
>> Ni       1.275507917   2.189712931   6.951636103
>> Ni       3.820900456   5.099898326   9.058473844
>> Ni       2.557198249   2.917250364   8.972465164
>> Ni       1.316645879   5.124564186   8.982242065
>> Ni       6.333569310   6.553362185   6.985340606
>> Ni       5.078145565   4.385350833   6.983065534
>> Ni       3.811917842   6.570835194   6.984263869
>> Ni       6.354414187   0.711714841   8.985700898
>> Ni       5.107814169  -1.449465084   8.986433005
>> Ni       3.818146748   0.729274423   8.974413246
>> Ni       8.858789513   2.195831982   6.980052694
>> Ni       7.604036801  -0.006441142   6.965245164
>> Ni       6.350206415   2.203465853   6.993611172
>> Ni       8.939204281   5.117902129   9.156754383
>> Ni       7.630863065   2.894283540   9.070598880
>> Ni       6.362667263   5.077489353   9.152021645
>> Ni      11.400107012   6.573322376   6.965931016
>> Ni      10.115723983   4.381974040   6.988613199
>> Ni       8.863393932   6.545055799   6.995022670
>> Al       0.014861479  -0.007284328   6.964627335
>> Al       5.055933008   2.894730127   9.017744116
>> Al       2.547972470   4.385872199   6.964403329
>> Al       7.622477374   7.324693248   8.994399271
>> Al       5.074783390  -0.001377500   6.957157418
>> Al      10.172489367   2.902321932   9.000433335
>> Al       7.605654322   4.385264463   7.008060741
>> Al      12.679159749   7.298749906   9.065850421
>> C        8.460275075   5.118978297  11.273983617
>> C        7.582419702   4.370181702  10.481717082
>> H        9.172673172   4.618371293  11.933150506
>> H        7.537463847   3.264364222  10.813841070
>> H        8.266622009   6.160322624  11.522100564
>> H        5.084198241   5.850468857   9.929703951
>> END_POSITIONS
>> K_POINTS {automatic}
>> 3 3 1 0 0 0
>> CELL_PARAMETERS  angstrom
>>     10.115077652    0.000000000    0.000000000
>>      5.057538826    8.759914208    0.000000000
>>      0.000000000    0.000000000   25.000000000
>> END_ENGINE_INPUT
>> END
>> -------------------------------------------------------------------------
>>
>> I will be grateful if someone help me to go through the problem.
>>
>> Best regard,
>>
>> Johnny Li
>> Department of Physics,
>> Wuhan University,
>> Hubei,
>> China
>>
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>
>
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-- 
Paolo Giannozzi, Dept. Chemistry&Physics&Environment,
Univ. Udine, via delle Scienze 208, 33100 Udine, Italy
Phone +39-0432-558216, fax +39-0432-558222
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