[Wien] 'LAPW2: semicore band-ranges too large error' for spin-orbit calculation

Md. Fhokrul Islam fislam at hotmail.com
Wed Apr 18 21:26:09 CEST 2018


Hi Prof. Blaha,

Thanks, for the reply. I am using intel 2016. I did apply the patch get_nloat.patch in SRC_lapwso but I still have the same problem. I am not sure if the patch was the problem as I have done many calculations with spin-orbit coupling (SOC) for different kind of  materials without any problem. Perhaps there is something specific about this system. Here is my structure after I initialized with SO (SO along 001 doesn't break any symmetry, so struct file is exactly the same as structure without SOC)


Cd3As2                                   s-o calc. M||  0.00  0.00  1.00
P                            6 137_

 16.903600 16.903600 23.905035 90.000000 90.000000 90.000000
ATOM  -1: X=0.25000000 Y=0.00000000 Z=0.10300000
          MULT= 8          ISPLIT= 8
      -1: X=0.75000000 Y=0.00000000 Z=0.89700000
      -1: X=0.50000000 Y=0.25000000 Z=0.60300000
      -1: X=0.50000000 Y=0.75000000 Z=0.39700000
      -1: X=0.25000000 Y=0.50000000 Z=0.10300000
      -1: X=0.75000000 Y=0.50000000 Z=0.89700000
      -1: X=0.00000000 Y=0.25000000 Z=0.60300000
      -1: X=0.00000000 Y=0.75000000 Z=0.39700000
Cd         NPT=  781  R0=.000010000 RMT=   2.20000   Z:  48.00000
LOCAL ROT MATRIX:    0.0000000 0.0000000 1.0000000
                     1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
ATOM  -2: X=0.25000000 Y=0.03300000 Z=0.36400000
          MULT= 8          ISPLIT= 8
      -2: X=0.75000000 Y=0.96700000 Z=0.63600000
      -2: X=0.46700000 Y=0.25000000 Z=0.86400000
      -2: X=0.53300000 Y=0.75000000 Z=0.13600000
      -2: X=0.25000000 Y=0.46700000 Z=0.36400000
      -2: X=0.75000000 Y=0.53300000 Z=0.63600000
      -2: X=0.03300000 Y=0.25000000 Z=0.86400000
      -2: X=0.96700000 Y=0.75000000 Z=0.13600000
Cd         NPT=  781  R0=.000010000 RMT=   2.20000   Z:  48.00000
LOCAL ROT MATRIX:    0.0000000 0.0000000 1.0000000
                     1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
ATOM  -3: X=0.25000000 Y=0.53300000 Z=0.64700000
          MULT= 8          ISPLIT= 8
      -3: X=0.75000000 Y=0.46700000 Z=0.35300000
      -3: X=0.96700000 Y=0.25000000 Z=0.14700000
      -3: X=0.03300000 Y=0.75000000 Z=0.85300000
      -3: X=0.25000000 Y=0.96700000 Z=0.64700000
      -3: X=0.75000000 Y=0.03300000 Z=0.35300000
      -3: X=0.53300000 Y=0.25000000 Z=0.14700000
      -3: X=0.46700000 Y=0.75000000 Z=0.85300000
Cd         NPT=  781  R0=.000010000 RMT=   2.20000   Z:  48.00000
LOCAL ROT MATRIX:    0.0000000 0.0000000 1.0000000
                     1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
ATOM  -4: X=0.48900000 Y=0.51100000 Z=0.25000000
          MULT= 8          ISPLIT= 8
      -4: X=0.51100000 Y=0.48900000 Z=0.75000000
      -4: X=0.98900000 Y=0.48900000 Z=0.75000000
      -4: X=0.01100000 Y=0.51100000 Z=0.25000000
      -4: X=0.01100000 Y=0.98900000 Z=0.25000000
      -4: X=0.98900000 Y=0.01100000 Z=0.75000000
      -4: X=0.51100000 Y=0.01100000 Z=0.75000000
      -4: X=0.48900000 Y=0.98900000 Z=0.25000000
As         NPT=  781  R0=.000050000 RMT=   2.20000   Z:  33.00000
LOCAL ROT MATRIX:    0.0000000-0.7071068-0.7071068
                     0.0000000-0.7071068 0.7071068
                    -1.0000000 0.0000000 0.0000000
ATOM  -5: X=0.25000000 Y=0.25000000 Z=0.01100000
          MULT= 4          ISPLIT= 8
      -5: X=0.75000000 Y=0.75000000 Z=0.98900000
      -5: X=0.25000000 Y=0.25000000 Z=0.51100000
      -5: X=0.75000000 Y=0.75000000 Z=0.48900000
As         NPT=  781  R0=.000050000 RMT=   2.20000   Z:  33.00000
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -6: X=0.75000000 Y=0.25000000 Z=0.00000000
          MULT= 4          ISPLIT= 8
      -6: X=0.25000000 Y=0.75000000 Z=0.00000000
      -6: X=0.25000000 Y=0.75000000 Z=0.50000000
      -6: X=0.75000000 Y=0.25000000 Z=0.50000000
As         NPT=  781  R0=.000050000 RMT=   2.20000   Z:  33.00000
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
  16      NUMBER OF SYMMETRY OPERATIONS
-1 0 0 0.00000000
 0-1 0 0.00000000
 0 0-1 0.00000000
       1   A   1 so. oper.  type  orig. index
 1 0 0 0.00000000
 0 1 0 0.00000000
 0 0 1 0.00000000
       2   A   2
-1 0 0 0.50000000
 0-1 0 0.50000000
 0 0 1 0.00000000
       3   A   3
 0 1 0 0.50000000
-1 0 0 0.00000000
 0 0-1 0.50000000
       4   A   8
 0 1 0 0.00000000
-1 0 0 0.50000000
 0 0 1 0.50000000
       5   A   9
 0-1 0 0.00000000
 1 0 0 0.50000000
 0 0-1 0.50000000
       6   A  10
 0-1 0 0.50000000
 1 0 0 0.00000000
 0 0 1 0.50000000
       7   A  11
 1 0 0 0.50000000
 0 1 0 0.50000000
 0 0-1 0.00000000
       8   A  16
-1 0 0 0.00000000
 0 1 0 0.50000000
 0 0-1 0.00000000
       9   B   4
-1 0 0 0.50000000
 0 1 0 0.00000000
 0 0 1 0.00000000
      10   B   5
 0-1 0 0.00000000
-1 0 0 0.00000000
 0 0-1 0.50000000
      11   B   6
 0-1 0 0.50000000
-1 0 0 0.50000000
 0 0 1 0.50000000
      12   B   7
 0 1 0 0.50000000
 1 0 0 0.50000000
 0 0-1 0.50000000
      13   B  12
 0 1 0 0.00000000
 1 0 0 0.00000000
 0 0 1 0.50000000
      14   B  13
 1 0 0 0.50000000
 0-1 0 0.00000000
 0 0-1 0.00000000
      15   B  14
 1 0 0 0.00000000
 0-1 0 0.50000000
 0 0 1 0.00000000
      16   B  15

Is there anything else I could do to fix it?

Thanks,
Fhokrul
________________________________
From: Wien <wien-bounces at zeus.theochem.tuwien.ac.at> on behalf of Peter Blaha <pblaha at theochem.tuwien.ac.at>
Sent: Wednesday, April 18, 2018 2:12 PM
To: wien at zeus.theochem.tuwien.ac.at
Subject: Re: [Wien] 'LAPW2: semicore band-ranges too large error' for spin-orbit calculation

What version of ifort compiler are you using ?

With new versions (from 2016 on ?) you need to apply the patch for
lapwso discussed in the mailing list a couple of times.

On 04/18/2018 02:06 PM, Md. Fhokrul Islam wrote:
> Dear Wien2k users,
>
> I am trying to run a bandstructure calculation of Cd3As2 semi-metal with
> spin-orbit coupling. It works fine without spin-orbit coupling (SOC) but
> I get the following error wen I turn on SOC .
>
> LAPW2: semicore band-ranges too large
> cp: cannot stat \u2018.in.tmp\u2019: No such file or directory
> LAPW2: semicore band-ranges too large
> (standard_in) 1: syntax error
> (standard_in) 1: syntax error
> .....
> .....
>
> In the mailing list I saw some discussion about 'LAPW2: semicore
> band-ranges too large error' but those seem to be related to the choice
> of Rmt or RKmax. But in my case I am using Rmt=2.2 for all atoms and
> RKmax=7. The output files from both lapw1 and lapwso looks ok but it
> crashes at lapw2.
>
> Since it works fine without SOC, I am not sure what parameter I should
> change for SOC calculation.  I would appreciate any suggestion to fix
> the problem.
>
>
> Thanks,
> Fhokrul
>
>
>
>
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--

                                       P.Blaha
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Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
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