[Wien] SELECT or QTL-B error for Al(111) slab

phlhj phlhj phylhj at gmail.com
Sat Nov 2 18:26:32 CET 2013


Dear all,

I am doing a scf calculation of Al(111) slab of 61 Al monolayers. Everytime
when I use the default in1, inm files, the job stops at the second
iteration at lapw2 due to QTL-B problem for s orbital of the top and bottom
surface Al atoms. I guess the charge density flucates too much. I tried to
change the linerization energy of the two surface Al atom to be lower than
the inside Al atoms.

So I changed the mixing parameter to be 0.01 or less. Even though I use
very small mixing parameter, but the job still stops at lapw1 due to the
SELECT error in the third iteration. I still can observe that the charge
flucations too large.

I also tried to add Al 4s orbital and 3d orbital into the exceptions in
file case.in1, but all do not work as I expected. Surpringly when I use
thinner Al slab, say, 12 monolayer, the scf calculation moves smoothly with
all default input files.

Could anyone help with this? thanks a lot in advance.

wenmei
Institute of Physics, Chinese Academy of Sciences
Beijing, China

The following is my struct file.
=========================
xyz2struct
H   LATTICE,NONEQUIV.ATOMS: 31 164 P-3m1
MODE OF CALC=RELA
  5.398400  5.398400302.261250 90.000000 90.000000120.000000
ATOM  -1: X=0.00000000 Y=0.00000000 Z=0.06251964
          MULT= 2          ISPLIT= 4
      -1: X=0.00000000 Y=0.00000000 Z=0.93748036
Al1        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -2: X=0.00000000 Y=0.00000000 Z=0.15001571
          MULT= 2          ISPLIT= 4
      -2: X=0.00000000 Y=0.00000000 Z=0.84998429
Al2        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -3: X=0.00000000 Y=0.00000000 Z=0.23751178
          MULT= 2          ISPLIT= 4
      -3: X=0.00000000 Y=0.00000000 Z=0.76248822
Al3        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -4: X=0.00000000 Y=0.00000000 Z=0.32500785
          MULT= 2          ISPLIT= 4
      -4: X=0.00000000 Y=0.00000000 Z=0.67499215
Al4        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -5: X=0.00000000 Y=0.00000000 Z=0.41250392
          MULT= 2          ISPLIT= 4
      -5: X=0.00000000 Y=0.00000000 Z=0.58749608
Al5        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -6: X=0.00000000 Y=0.00000000 Z=0.50000000
          MULT= 1          ISPLIT= 4
Al6        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -7: X=0.00000000 Y=0.00000000 Z=0.54374804
          MULT= 2          ISPLIT= 4
      -7: X=0.00000000 Y=0.00000000 Z=0.45625196
Al7        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -8: X=0.00000000 Y=0.00000000 Z=0.63124410
          MULT= 2          ISPLIT= 4
      -8: X=0.00000000 Y=0.00000000 Z=0.36875590
Al8        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -9: X=0.00000000 Y=0.00000000 Z=0.71874019
          MULT= 2          ISPLIT= 4
      -9: X=0.00000000 Y=0.00000000 Z=0.28125981
Al9        NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -10: X=0.00000000 Y=0.00000000 Z=0.80623625
          MULT= 2          ISPLIT= 4
     -10: X=0.00000000 Y=0.00000000 Z=0.19376375
Al10       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -11: X=0.00000000 Y=0.00000000 Z=0.89373232
          MULT= 2          ISPLIT= 4
     -11: X=0.00000000 Y=0.00000000 Z=0.10626768
Al11       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -12: X=0.66666667 Y=0.33333333 Z=0.09168499
          MULT= 2          ISPLIT= 4
     -12: X=0.33333333 Y=0.66666667 Z=0.90831501
Al12       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -13: X=0.66666667 Y=0.33333333 Z=0.17918106
          MULT= 2          ISPLIT= 4
     -13: X=0.33333333 Y=0.66666667 Z=0.82081894
Al13       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -14: X=0.66666667 Y=0.33333333 Z=0.26667715
          MULT= 2          ISPLIT= 4
     -14: X=0.33333333 Y=0.66666667 Z=0.73332285
Al14       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -15: X=0.66666667 Y=0.33333333 Z=0.35417321
          MULT= 2          ISPLIT= 4
     -15: X=0.33333333 Y=0.66666667 Z=0.64582679
Al15       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -16: X=0.66666667 Y=0.33333333 Z=0.44166928
          MULT= 2          ISPLIT= 4
     -16: X=0.33333333 Y=0.66666667 Z=0.55833072
Al16       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -17: X=0.66666667 Y=0.33333333 Z=0.52916535
          MULT= 2          ISPLIT= 4
     -17: X=0.33333333 Y=0.66666667 Z=0.47083465
Al17       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -18: X=0.66666667 Y=0.33333333 Z=0.61666143
          MULT= 2          ISPLIT= 4
     -18: X=0.33333333 Y=0.66666667 Z=0.38333857
Al18       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -19: X=0.66666667 Y=0.33333333 Z=0.70415750
          MULT= 2          ISPLIT= 4
     -19: X=0.33333333 Y=0.66666667 Z=0.29584250
Al19       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -20: X=0.66666667 Y=0.33333333 Z=0.79165357
          MULT= 2          ISPLIT= 4
     -20: X=0.33333333 Y=0.66666667 Z=0.20834643
Al20       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -21: X=0.66666667 Y=0.33333333 Z=0.87914965
          MULT= 2          ISPLIT= 4
     -21: X=0.33333333 Y=0.66666667 Z=0.12085035
Al21       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -22: X=0.33333333 Y=0.66666667 Z=0.07710231
          MULT= 2          ISPLIT= 4
     -22: X=0.66666667 Y=0.33333333 Z=0.92289769
Al22       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -23: X=0.33333333 Y=0.66666667 Z=0.16459839
          MULT= 2          ISPLIT= 4
     -23: X=0.66666667 Y=0.33333333 Z=0.83540161
Al23       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -24: X=0.33333333 Y=0.66666667 Z=0.25209446
          MULT= 2          ISPLIT= 4
     -24: X=0.66666667 Y=0.33333333 Z=0.74790554
Al24       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -25: X=0.33333333 Y=0.66666667 Z=0.33959053
          MULT= 2          ISPLIT= 4
     -25: X=0.66666667 Y=0.33333333 Z=0.66040947
Al25       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -26: X=0.33333333 Y=0.66666667 Z=0.42708660
          MULT= 2          ISPLIT= 4
     -26: X=0.66666667 Y=0.33333333 Z=0.57291340
Al26       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -27: X=0.33333333 Y=0.66666667 Z=0.51458268
          MULT= 2          ISPLIT= 4
     -27: X=0.66666667 Y=0.33333333 Z=0.48541732
Al27       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -28: X=0.33333333 Y=0.66666667 Z=0.60207875
          MULT= 2          ISPLIT= 4
     -28: X=0.66666667 Y=0.33333333 Z=0.39792125
Al28       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -29: X=0.33333333 Y=0.66666667 Z=0.68957483
          MULT= 2          ISPLIT= 4
     -29: X=0.66666667 Y=0.33333333 Z=0.31042517
Al29       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -30: X=0.33333333 Y=0.66666667 Z=0.77707089
          MULT= 2          ISPLIT= 4
     -30: X=0.66666667 Y=0.33333333 Z=0.22292911
Al30       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -31: X=0.33333333 Y=0.66666667 Z=0.86456696
          MULT= 2          ISPLIT= 4
     -31: X=0.66666667 Y=0.33333333 Z=0.13543304
Al31       NPT=  781  R0=0.00001000 RMT=    2.0000   Z: 13.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
  12      NUMBER OF SYMMETRY OPERATIONS
 1 0 0 0.00000000
 0 1 0 0.00000000
 0 0 1 0.00000000
       1
 0-1 0 0.00000000
 1-1 0 0.00000000
 0 0 1 0.00000000
       2
-1 1 0 0.00000000
-1 0 0 0.00000000
 0 0 1 0.00000000
       3
 0 1 0 0.00000000
 1 0 0 0.00000000
 0 0-1 0.00000000
       4
 1-1 0 0.00000000
 0-1 0 0.00000000
 0 0-1 0.00000000
       5
-1 0 0 0.00000000
-1 1 0 0.00000000
 0 0-1 0.00000000
       6
-1 0 0 0.00000000
 0-1 0 0.00000000
 0 0-1 0.00000000
       7
 0 1 0 0.00000000
-1 1 0 0.00000000
 0 0-1 0.00000000
       8
 1-1 0 0.00000000
 1 0 0 0.00000000
 0 0-1 0.00000000
       9
 0-1 0 0.00000000
-1 0 0 0.00000000
 0 0 1 0.00000000
      10
-1 1 0 0.00000000
 0 1 0 0.00000000
 0 0 1 0.00000000
      11
 1 0 0 0.00000000
 1-1 0 0.00000000
 0 0 1 0.00000000
      12
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