[QE-developers] GCSCF & ESM-RISM - too many bands are not converged

Kaňka Jiří kanka at ufe.cz
Mon Jun 7 12:05:47 CEST 2021


Dear QE-ESM-RISM developers,

when I run the input file given below, it stops with


     Self-consistent Calculation

     iteration #  1     ecut=    40.00 Ry     beta= 0.10
     RMM-DIIS diagonalization

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     Error in routine c_bands (1):
     too many bands are not converged
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

The simulated molecular system is Au[111] surface with the alkanethiolate self-assembled monolayer.

Input file:

            &control
               calculation  = 'scf'
               prefix       = 'QErism-4SC4-3MPA-NaCl-p1V_aqr'
               pseudo_dir   = '/storage/brno2/home/kanka/qe-RISM/'
               outdir       = '/storage/brno2/home/kanka/qe-RISM/'
               wf_collect = .true.
               trism        = .true.
               tprnfor       = .true.
!               disk_io      = 'none'
!              restart_mode = 'restart'
               max_seconds   =  82800 !  with walltime 24 hours

            /
&system
   ecutrho         =  32.00000e+01
   ecutwfc         =  4.00000e+01
   ibrav           = 0
   nat             = 92
   ntyp            = 5
   vdw_corr        = 'Grimme-D2'
   occupations     = 'smearing'
   smearing        = 'gaussian'
   degauss         =  0.01
   assume_isolated = 'esm', esm_bc='bc1'
   starting_charge(3) = -1.0
   lgcscf          = .true.
   gcscf_mu        = -5.052 ! PZC = -6.052
   gcscf_conv_thr  = 1.d-2
/

&ELECTRONS
   conv_thr         =  1.00000e-06
   electron_maxstep = 500
   mixing_beta      =  0.1
   diagonalization = 'rmm', diago_rmm_conv = .false., diago_rmm_ndim = 4
!   startingpot      = "file"
!   startingwfc      = "file"
/

&rism
   nsolv    = 3, closure  = 'kh'
   tempv    = 300.0  ! Kelvin
   ecutsolv = 160.0  ! Rydberg
   !
   ! Lennard-Jones for each atom
   !
   ! For Al using universal force field
   solute_lj(1) = 'uff'
   solute_lj(2) = 'uff'
   solute_lj(3) = 'uff'
   solute_lj(4) = 'uff'
   solute_lj(5) = 'uff'
   !
   ! 1D-RISM's setting
   !
!   starting1d      = 'file'
   rism1d_conv_thr = 1.0e-8
   rism1d_maxstep  = 50000
   mdiis1d_size    = 20
   mdiis1d_step    = 0.1
   !
   ! 3D-RISM's setting
   !
!   starting3d      = 'file'
   rism3d_maxstep  = 200000
   rism3d_conv_thr = 1.0e-6
   rism3d_conv_level = 0.5
   !
   ! For Laue-RISM calculation
   ! in a.u.
   !
   laue_expand_right = 60.0
   laue_starting_right = -24.31
/

ATOMIC_SPECIES
    H 1.007825 'H.pbe-rrkjus_psl.1.0.0.UPF'
    Au 196.966551 'Au.pbe-n-rrkjus_psl.1.0.0.UPF'
    S 31.972070 'S.pbe-nl-rrkjus_psl.1.0.0.UPF'
    O 15.994914 'O.pbe-n-rrkjus_psl.1.0.0.UPF'
    C 12.0 'C.pbe-n-rrkjus_psl.1.0.0.UPF'

K_POINTS automatic
  5 5 1 0 0 0

SOLVENTS {mol/L}
  H2O  -1.0  H2O.spc.MOL
  Na+   1.0  Na+.aq.MOL
  Cl-   1.0  Cl-.aq.MOL

CELL_PARAMETERS (angstrom)
   8.651274700  -4.994815780   0.000000000
   0.000000000   9.989631540   0.000000000
   0.000000000   0.000000000  57.497386530

ATOMIC_POSITIONS (angstrom)
C         -1.58389        2.98562       -5.53103
C          2.76225       -4.49556       -5.53038
C          2.74813        0.49723       -5.52432
H         -3.42828       -2.27021       -6.53985
H         -3.45064        2.73927       -6.53770
H          0.89462       -4.75639       -6.53256
H          0.88073        0.24781       -6.52940
H         -1.97524       -2.53007       -7.56994
H         -1.99569        2.45919       -7.56000
H          2.34943       -5.02382       -7.55828
H          2.33540       -0.03043       -7.55269
H         -1.52364       -0.05282       -7.54106
H         -1.51663        4.93055       -7.53973
H          2.80996       -2.54852       -7.53475
H          2.81076        2.44202       -7.53244
H         -3.00553        0.18485       -6.52370
H         -2.99496        5.18894       -6.52219
H          1.32773       -2.30280       -6.51999
H          1.33152        2.69794       -6.51567
H         -0.80348       -3.13940       -4.17718
H         -0.87639        1.85222       -4.13949
H          3.50712       -5.63000       -4.15925
H          3.46088       -0.63520       -4.13459
Au        -3.60470        1.24870      -11.68400
Au        -3.60470        6.24352      -11.68400
Au         0.72094       -1.24870      -11.68400
Au         0.72094        3.74611      -11.68400
Au        -2.16282       -2.91364      -14.03858
Au        -2.16282        2.08117      -14.03858
Au         2.16282       -5.41105      -14.03858
Au         2.16282       -0.41623      -14.03858
Au        -0.72094       -2.08117      -16.39316
Au        -0.72094        2.91364      -16.39316
Au         3.60470       -4.57858      -16.39316
Au         3.60470        0.41623      -16.39316
Au        -3.60470        1.24870      -18.74774
Au        -3.60470        6.24352      -18.74774
Au         0.72094       -1.24870      -18.74774
Au         0.72094        3.74611      -18.74774
Au        -2.16282       -1.24870      -11.68400
Au        -2.16282        3.74611      -11.68400
Au         2.16282       -3.74611      -11.68400
Au         2.16282        1.24870      -11.68400
Au        -0.72094       -0.41623      -14.03858
Au        -0.72094        4.57858      -14.03858
Au         3.60470       -2.91364      -14.03858
Au         3.60470        2.08117      -14.03858
Au        -3.60470       -2.08117      -16.39316
Au        -3.60470        2.91364      -16.39316
Au         0.72094       -4.57858      -16.39316
Au         0.72094        0.41623      -16.39316
Au        -2.16282       -1.24870      -18.74774
Au        -2.16282        3.74611      -18.74774
Au         2.16282       -3.74611      -18.74774
Au         2.16282        1.24870      -18.74774
Au        -0.72094       -3.74611      -11.68400
Au        -0.72094        1.24870      -11.68400
Au         3.60470       -6.24352      -11.68400
Au         3.60470       -1.24870      -11.68400
Au        -3.60470       -0.41623      -14.03858
Au        -3.60470        4.57858      -14.03858
Au         0.72094       -2.91364      -14.03858
Au         0.72094        2.08117      -14.03858
Au        -2.16282        0.41623      -16.39316
Au        -2.16282        5.41105      -16.39316
Au         2.16282       -2.08117      -16.39316
Au         2.16282        2.91364      -16.39316
Au        -0.72094       -3.74611      -18.74774
Au        -0.72094        1.24870      -18.74774
Au         3.60470       -6.24352      -18.74774
Au         3.60470       -1.24870      -18.74774
S         -3.50724       -0.40645       -8.72404
S         -3.50539        4.59973       -8.72103
S          0.82681       -2.89687       -8.71987
S          0.82329        2.10702       -8.71461
O         -1.43293       -3.23627       -4.93855
O         -1.50575        1.76270       -4.90184
O          2.87810       -5.72556       -4.92112
O          2.83277       -0.72663       -4.89776
O         -0.98633       -1.02699       -5.07830
O         -0.97646        3.95046       -5.08540
O          3.34089       -3.52014       -5.06968
O          3.35113        1.46410       -5.07705
C         -2.41365       -1.88785       -6.77773
C         -2.43031        3.10868       -6.77168
C          1.91136       -4.37837       -6.76858
C          1.90037        0.61868       -6.76427
C         -2.53024       -0.45371       -7.29636
C         -2.52817        4.54294       -7.29380
C          1.80148       -2.94493       -7.29059
C          1.79989        2.05258       -7.28685
C         -1.55907       -2.00444       -5.54201


I tested SAM with 3-MPA, 6-MHA, 11-MUA and 16-MHDA with +1V and -1V against PZC. Only for 16-MHDA with +1V calculation finished correctly, for 16-MHDA with -1V RMM-DIIS was running but oscillating.
All other cases ended with the error given above. All the system were running without problems with ESM-RISM itself.

Thank you.

Best regards,

Jiri Kanka
Optical Biosensors dpt.
Institute of Photonics and Electronics
Czech Academy of Sciences
Prague
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