Re: [Wien] problems with convergence of SCF for AFM HoPtBi

2018-11-05 Thread Kefeng wang
Dear Xavier,

I am trying to do DFT+SOC and DFT+SOC+U. Thank you very much for your great
suggestions.

Best,
Wang

On Wed, Oct 31, 2018 at 4:35 PM Kefeng wang  wrote:

> Dear all,
>
> I am using wien17.1 to perform the DFT calculations for  HoPtBi. For the
> Non-magnetic case, the convergence for the SCF calculation has been
> achieved using 8000 k points while for the AFM case, it is not convergent
> at all using 4096 k points after 100 iterations. The charge and energy keep
> fluctuating. However, for GdPtBi with the same lattice structure and AFM
> order, the corresponding calculations are convergent.  I felt very
> confused. Thanks a lot for your help!
>
>
> The struct file for HoPtBi is shown below:
>
> R   LATTICE,NONEQUIV.ATOMS:  6 160 R3m
> MODE OF CALC=RELA unit=bohr
>   8.860595  8.860595 43.407874 90.00 90.00120.00
> ATOM  -1: X=0.8750 Y=0.8750 Z=0.8750
>   MULT= 1  ISPLIT= 4
> Pt1NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -2: X=0.3750 Y=0.3750 Z=0.3750
>   MULT= 1  ISPLIT= 4
> Pt2NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -3: X=0. Y=0. Z=0.
>   MULT= 1  ISPLIT= 4
> Ho1NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -4: X=0.5000 Y=0.5000 Z=0.5000
>   MULT= 1  ISPLIT= 4
> Ho2NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0. 0.000
> 0.000 1.000
> ATOM  -5: X=0.7500 Y=0.7500 Z=0.7500
>   MULT= 1  ISPLIT= 4
> Bi1NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -6: X=0.2500 Y=0.2500 Z=0.2500
>   MULT= 1  ISPLIT= 4
> Bi2NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
>6  NUMBER OF SYMMETRY OPERATIONS
>  1 0 0 0.
>  0 1 0 0.
>  0 0 1 0.
>1
>  0 0 1 0.
>  1 0 0 0.
>  0 1 0 0.
>2
>  0 1 0 0.
>  0 0 1 0.
>  1 0 0 0.
>3
>  0 1 0 0.
>  1 0 0 0.
>  0 0 1 0.
>4
>  1 0 0 0.
>  0 0 1 0.
>  0 1 0 0.
>5
>  0 0 1 0.
>  0 1 0 0.
>  1 0 0 0.
>6
>
> Best,
> Wang
>
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Re: [Wien] problems with convergence of SCF for AFM HoPtBi

2018-11-05 Thread Kefeng wang
Fermi energy  for the last 20 cycles are as follows:

:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5662667548
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5662667548
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5721047722
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5721047722
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5756868976
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5756868976
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5795704932
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5795704932
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5772524846
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5772524846
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5787167153
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5787167153
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5783183635

:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5787167153
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5783183635
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5783183635
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5808046054
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5808046054
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5824255763
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5824255763
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5810426738
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5810426738
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5824489660
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5824489660
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5849447037
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5849447037
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5779989935
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5779989935
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5787587984
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5787587984
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5731964512
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5731964512
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5742282517
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5742282517
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5738107431
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5738107431
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5752780477
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5752780477
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5745195356
:FER  : F E R M I - ENERGY(TETRAH.M.)=   0.5745195356



Best,

Wang


On Wed, Oct 31, 2018 at 4:35 PM Kefeng wang  wrote:

> Dear all,
>
> I am using wien17.1 to perform the DFT calculations for  HoPtBi. For the
> Non-magnetic case, the convergence for the SCF calculation has been
> achieved using 8000 k points while for the AFM case, it is not convergent
> at all using 4096 k points after 100 iterations. The charge and energy keep
> fluctuating. However, for GdPtBi with the same lattice structure and AFM
> order, the corresponding calculations are convergent.  I felt very
> confused. Thanks a lot for your help!
>
>
> The struct file for HoPtBi is shown below:
>
> R   LATTICE,NONEQUIV.ATOMS:  6 160 R3m
> MODE OF CALC=RELA unit=bohr
>   8.860595  8.860595 43.407874 90.00 90.00120.00
> ATOM  -1: X=0.8750 Y=0.8750 Z=0.8750
>   MULT= 1  ISPLIT= 4
> Pt1NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -2: X=0.3750 Y=0.3750 Z=0.3750
>   MULT= 1  ISPLIT= 4
> Pt2NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -3: X=0. Y=0. Z=0.
>   MULT= 1  ISPLIT= 4
> Ho1NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -4: X=0.5000 Y=0.5000 Z=0.5000
>   MULT= 1  ISPLIT= 4
> Ho2NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0. 0.000
> 0.000 1.000
> ATOM  -5: X=0.7500 Y=0.7500 Z=0.7500
>   MULT= 1  ISPLIT= 4
> Bi1NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -6: X=0.2500 Y=0.2500 Z=0.2500
>   MULT= 1  ISPLIT= 4
> Bi2NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
>6  NUMBER OF SYMMETRY OPERATIONS
>  1 0 0 0.

Re: [Wien] problems with convergence of SCF for AFM HoPtBi

2018-11-05 Thread Kefeng wang
Dear Dr. Tran,

Due to the limit of the size of the mail, I can only show the DIS and ENE
for the last 10 iterations.

:DIS  :  CHARGE DISTANCE   (  0.320257 for atom4 spin 1)   0.184298
:DIS  :  CHARGE DISTANCE   (  0.234098 for atom4 spin 1)   0.099929
:DIS  :  CHARGE DISTANCE   (  0.267974 for atom4 spin 1)   0.131003
:DIS  :  CHARGE DISTANCE   (  0.265089 for atom4 spin 1)   0.148614
:DIS  :  CHARGE DISTANCE   (  0.139098 for atom3 spin 2)   0.090299
:DIS  :  CHARGE DISTANCE   (  0.112944 for atom4 spin 1)   0.124518
:DIS  :  CHARGE DISTANCE   (  0.049563 for atom4 spin 2)   0.085984
:DIS  :  CHARGE DISTANCE   (  0.053754 for atom3 spin 2)   0.095868
:DIS  :  CHARGE DISTANCE   (  0.109521 for atom3 spin 2)   0.109723
:DIS  :  CHARGE DISTANCE   (  0.111655 for atom4 spin 1)   0.110715
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57163517
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57048683
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57105811
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57078343
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57000214
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57025711
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57019130
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57020222
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57007722
:ENE  : ** TOTAL ENERGY IN Ry =  -210627.57002210

Wang


On Wed, Oct 31, 2018 at 4:35 PM Kefeng wang  wrote:

> Dear all,
>
> I am using wien17.1 to perform the DFT calculations for  HoPtBi. For the
> Non-magnetic case, the convergence for the SCF calculation has been
> achieved using 8000 k points while for the AFM case, it is not convergent
> at all using 4096 k points after 100 iterations. The charge and energy keep
> fluctuating. However, for GdPtBi with the same lattice structure and AFM
> order, the corresponding calculations are convergent.  I felt very
> confused. Thanks a lot for your help!
>
>
> The struct file for HoPtBi is shown below:
>
> R   LATTICE,NONEQUIV.ATOMS:  6 160 R3m
> MODE OF CALC=RELA unit=bohr
>   8.860595  8.860595 43.407874 90.00 90.00120.00
> ATOM  -1: X=0.8750 Y=0.8750 Z=0.8750
>   MULT= 1  ISPLIT= 4
> Pt1NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -2: X=0.3750 Y=0.3750 Z=0.3750
>   MULT= 1  ISPLIT= 4
> Pt2NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -3: X=0. Y=0. Z=0.
>   MULT= 1  ISPLIT= 4
> Ho1NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -4: X=0.5000 Y=0.5000 Z=0.5000
>   MULT= 1  ISPLIT= 4
> Ho2NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0. 0.000
> 0.000 1.000
> ATOM  -5: X=0.7500 Y=0.7500 Z=0.7500
>   MULT= 1  ISPLIT= 4
> Bi1NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -6: X=0.2500 Y=0.2500 Z=0.2500
>   MULT= 1  ISPLIT= 4
> Bi2NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
>6  NUMBER OF SYMMETRY OPERATIONS
>  1 0 0 0.
>  0 1 0 0.
>  0 0 1 0.
>1
>  0 0 1 0.
>  1 0 0 0.
>  0 1 0 0.
>2
>  0 1 0 0.
>  0 0 1 0.
>  1 0 0 0.
>3
>  0 1 0 0.
>  1 0 0 0.
>  0 0 1 0.
>4
>  1 0 0 0.
>  0 0 1 0.
>  0 1 0 0.
>5
>  0 0 1 0.
>  0 1 0 0.
>  1 0 0 0.
>6
>
> Best,
> Wang
>
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Re: [Wien] problems with convergence of SCF for AFM HoPtBi

2018-11-05 Thread Kefeng wang
Dear Professor Laurence Marks,


Thanks a lot for your great suggestions. I use runsp to perform the
calculations. In additon, could you kindly tell me where I can get the
information for HDLO?



Moments for spin-up Ho  for the last 20 cycles are as follows:

:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.77299
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.76265
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75577
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75164
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75338
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75128
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75945
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75596
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75285
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75474
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75939
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75724
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.75283
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.74206
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.74114
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.74064
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.74125
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.74089
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.74351
:MMI003: MAGNETIC MOMENT IN SPHERE   3=3.74294


What can we get from that? I am confused. Due to the limit of the size
of mail, I will show the change of Fermi energy in the next mail.


Best,

Wang


On Wed, Oct 31, 2018 at 4:35 PM Kefeng wang  wrote:

> Dear all,
>
> I am using wien17.1 to perform the DFT calculations for  HoPtBi. For the
> Non-magnetic case, the convergence for the SCF calculation has been
> achieved using 8000 k points while for the AFM case, it is not convergent
> at all using 4096 k points after 100 iterations. The charge and energy keep
> fluctuating. However, for GdPtBi with the same lattice structure and AFM
> order, the corresponding calculations are convergent.  I felt very
> confused. Thanks a lot for your help!
>
>
> The struct file for HoPtBi is shown below:
>
> R   LATTICE,NONEQUIV.ATOMS:  6 160 R3m
> MODE OF CALC=RELA unit=bohr
>   8.860595  8.860595 43.407874 90.00 90.00120.00
> ATOM  -1: X=0.8750 Y=0.8750 Z=0.8750
>   MULT= 1  ISPLIT= 4
> Pt1NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -2: X=0.3750 Y=0.3750 Z=0.3750
>   MULT= 1  ISPLIT= 4
> Pt2NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -3: X=0. Y=0. Z=0.
>   MULT= 1  ISPLIT= 4
> Ho1NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -4: X=0.5000 Y=0.5000 Z=0.5000
>   MULT= 1  ISPLIT= 4
> Ho2NPT=  781  R0=.1 RMT= 2.5 Z:  67.
> LOCAL ROT MATRIX:1.000 0.000 0. 0.000
> 0.000 1.000
> ATOM  -5: X=0.7500 Y=0.7500 Z=0.7500
>   MULT= 1  ISPLIT= 4
> Bi1NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
> ATOM  -6: X=0.2500 Y=0.2500 Z=0.2500
>   MULT= 1  ISPLIT= 4
> Bi2NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
> LOCAL ROT MATRIX:1.000 0.000 0.000
>  0.000 1.000 0.000
>  0.000 0.000 1.000
>6  NUMBER OF SYMMETRY OPERATIONS
>  1 0 0 0.
>  0 1 0 0.
>  0 0 1 0.
>1
>  0 0 1 0.
>  1 0 0 0.
>  0 1 0 0.
>2
>  0 1 0 0.
>  0 0 1 0.
>  1 0 0 0.
>3
>  0 1 0 0.
>  1 0 0 0.
>  0 0 1 0.
>4
>  1 0 0 0.
>  0 0 1 0.
>  0 1 0 0.
>5
>  0 0 1 0.
>  0 1 0 0.
>  1 0 0 0.
>6
>
> Best,
> Wang
>
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[Wien] problems with convergence of SCF for AFM HoPtBi

2018-10-31 Thread Kefeng wang
Dear all,

I am using wien17.1 to perform the DFT calculations for  HoPtBi. For the
Non-magnetic case, the convergence for the SCF calculation has been
achieved using 8000 k points while for the AFM case, it is not convergent
at all using 4096 k points after 100 iterations. The charge and energy keep
fluctuating. However, for GdPtBi with the same lattice structure and AFM
order, the corresponding calculations are convergent.  I felt very
confused. Thanks a lot for your help!


The struct file for HoPtBi is shown below:

R   LATTICE,NONEQUIV.ATOMS:  6 160 R3m
MODE OF CALC=RELA unit=bohr
  8.860595  8.860595 43.407874 90.00 90.00120.00
ATOM  -1: X=0.8750 Y=0.8750 Z=0.8750
  MULT= 1  ISPLIT= 4
Pt1NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
LOCAL ROT MATRIX:1.000 0.000 0.000
 0.000 1.000 0.000
 0.000 0.000 1.000
ATOM  -2: X=0.3750 Y=0.3750 Z=0.3750
  MULT= 1  ISPLIT= 4
Pt2NPT=  781  R0=.05000 RMT= 2.5 Z:  78.
LOCAL ROT MATRIX:1.000 0.000 0.000
 0.000 1.000 0.000
 0.000 0.000 1.000
ATOM  -3: X=0. Y=0. Z=0.
  MULT= 1  ISPLIT= 4
Ho1NPT=  781  R0=.1 RMT= 2.5 Z:  67.
LOCAL ROT MATRIX:1.000 0.000 0.000
 0.000 1.000 0.000
 0.000 0.000 1.000
ATOM  -4: X=0.5000 Y=0.5000 Z=0.5000
  MULT= 1  ISPLIT= 4
Ho2NPT=  781  R0=.1 RMT= 2.5 Z:  67.
LOCAL ROT MATRIX:1.000 0.000 0. 0.000
0.000 1.000
ATOM  -5: X=0.7500 Y=0.7500 Z=0.7500
  MULT= 1  ISPLIT= 4
Bi1NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
LOCAL ROT MATRIX:1.000 0.000 0.000
 0.000 1.000 0.000
 0.000 0.000 1.000
ATOM  -6: X=0.2500 Y=0.2500 Z=0.2500
  MULT= 1  ISPLIT= 4
Bi2NPT=  781  R0=.05000 RMT= 2.5 Z:  83.
LOCAL ROT MATRIX:1.000 0.000 0.000
 0.000 1.000 0.000
 0.000 0.000 1.000
   6  NUMBER OF SYMMETRY OPERATIONS
 1 0 0 0.
 0 1 0 0.
 0 0 1 0.
   1
 0 0 1 0.
 1 0 0 0.
 0 1 0 0.
   2
 0 1 0 0.
 0 0 1 0.
 1 0 0 0.
   3
 0 1 0 0.
 1 0 0 0.
 0 0 1 0.
   4
 1 0 0 0.
 0 0 1 0.
 0 1 0 0.
   5
 0 0 1 0.
 0 1 0 0.
 1 0 0 0.
   6

Best,
Wang
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Re: [Wien] the difference of the total energy is about 10 eV using wien16.1 and wien17.1

2018-04-26 Thread Kefeng wang
Dear Dr. Tran,

Thanks.

I checked the input files carefully and repeated both of them twice. I
still obtained the same results. For all of them, the SCF convergence has
been reached and there is no error observed.

:DIS at the last iteration for wien17.1 is  0.38 and for wien16.1 is
0.000190.

Best,
K. Wang




On Thu, Apr 26, 2018 at 9:58 AM, Kefeng wang <wangk...@gmail.com> wrote:

> Dear  Prof. Blaha,
>
> Yes. I know the difference of 10 eV is unbelievable. I used the same
> struct file, k list, and coupling U. All the input files are the same. Only
> the difference is the different wien2k version.
>
> For wien2k16.1, the total energies for FM+U and AFM+U are -29235.40982268
> and -29236.11468282 Ry. So the difference between them is 0.7048603 Ry,
> almost 10eV.
> I checked the scf file and day file and there are no errors. As you said,
> this is not reasonable.
>
> So I performed the calculation using wien17.1 with the same input files
> and it turns out the total energies for FM+U and AFM+U are
> -29236.12116430 and -29236.11468282.
>
>
> So I felt very confused. What's wrong with the case using wien16.1?  Thank
> you very much!
>
> Best,
> Limin
>
>
>
> On Thu, Apr 26, 2018 at 9:45 AM, Kefeng wang <wangk...@gmail.com> wrote:
>
>> Dear Dr. Tran,
>>
>> Thanks a lot for your reply.
>>
>> The magnetic moments for two calculations are also different. the one for
>> wien16.1 is 0.32uB/Fe and the one for wien17.1 is 0.39uB/Fe.
>>
>> Best,
>> K. Wang
>>
>> On Wed, Apr 25, 2018 at 12:05 PM, Kefeng wang <wangk...@gmail.com> wrote:
>>
>>> Dear all,
>>>
>>> I am using Wien16.1 and  Wien17.1 to perform the FM+U calculations for
>>> CoAs. It turns out that the difference of the total energy is about 10 eV.
>>> In both calculations, I used the same struct file as following:
>>>
>>> CoAs
>>> P   LATTICE,NONEQUIV.ATOMS:  2 62 Pnma
>>> MODE OF CALC=RELA unit=ang
>>>   9.988151  6.595147 11.101390 90.00 90.00 90.00
>>> ATOM  -1: X=0.4980 Y=0.2500 Z=0.2003
>>>   MULT= 4  ISPLIT= 8
>>>   -1: X=0.0020 Y=0.7500 Z=0.7003
>>>   -1: X=0.5020 Y=0.7500 Z=0.7997
>>>   -1: X=0.9980 Y=0.2500 Z=0.2997
>>> Co1NPT=  781  R0=0.5000 RMT= 2.24Z: 27.0
>>> LOCAL ROT MATRIX:0.000 1.000 0.000
>>>  0.000 0.000 1.000
>>>  1.000 0.000 0.000
>>> ATOM  -2: X=0.3004 Y=0.2500 Z=0.5867
>>>   MULT= 4  ISPLIT= 8
>>>   -2: X=0.1996 Y=0.7500 Z=0.0867
>>>   -2: X=0.6996 Y=0.7500 Z=0.4133
>>>   -2: X=0.8004 Y=0.2500 Z=0.9133
>>> As1NPT=  781  R0=0.5000 RMT= 2.13Z: 33.0
>>> LOCAL ROT MATRIX:0.000 1.000 0.000
>>>  0.000 0.000 1.000
>>>  1.000 0.000 0.000
>>>8  NUMBER OF SYMMETRY OPERATIONS
>>>  1 0 0 0.
>>>  0 1 0 0.
>>>  0 0 1 0.
>>>1
>>> -1 0 0 0.5000
>>>  0-1 0 0.
>>>  0 0 1 0.5000
>>>2
>>> -1 0 0 0.
>>>  0 1 0 0.5000
>>>  0 0-1 0.
>>>3
>>>  1 0 0 0.5000
>>>  0-1 0 0.5000
>>>  0 0-1 0.5000
>>>4
>>> -1 0 0 0.
>>>  0-1 0 0.
>>>  0 0-1 0.
>>>5
>>>  1 0 0 0.5000
>>>  0 1 0 0.
>>>  0 0-1 0.5000
>>>6
>>>  1 0 0 0.
>>>  0-1 0 0.5000
>>>  0 0 1 0.
>>>7
>>> -1 0 0 0.5000
>>>  0 1 0 0.5000
>>>  0 0 1 0.5000
>>>8
>>>
>>> The k-point mesh was taken to be 11*17*10 and correspond (U-J) is 2 eV.
>>> However,  the difference of the total energy of the AFM+U calculations
>>> for CoAs Wien16.1 and  Wien17.1 is almost zero.
>>>
>>> I felt very confused. Did anyone meet this kind of problem? Thanks a lot!
>>>
>>>
>>> Best,
>>> K. Wang
>>>
>>
>>
>
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Re: [Wien] the difference of the total energy is about 10 eV using wien16.1 and wien17.1

2018-04-26 Thread Kefeng wang
Dear  Prof. Blaha,

Yes. I know the difference of 10 eV is unbelievable. I used the same struct
file, k list, and coupling U. All the input files are the same. Only the
difference is the different wien2k version.

For wien2k16.1, the total energies for FM+U and AFM+U are -29235.40982268
and -29236.11468282 Ry. So the difference between them is 0.7048603 Ry,
almost 10eV.
I checked the scf file and day file and there are no errors. As you said,
this is not reasonable.

So I performed the calculation using wien17.1 with the same input files and
it turns out the total energies for FM+U and AFM+U are -29236.12116430 and
-29236.11468282.


So I felt very confused. What's wrong with the case using wien16.1?  Thank
you very much!

Best,
Limin



On Thu, Apr 26, 2018 at 9:45 AM, Kefeng wang <wangk...@gmail.com> wrote:

> Dear Dr. Tran,
>
> Thanks a lot for your reply.
>
> The magnetic moments for two calculations are also different. the one for
> wien16.1 is 0.32uB/Fe and the one for wien17.1 is 0.39uB/Fe.
>
> Best,
> K. Wang
>
> On Wed, Apr 25, 2018 at 12:05 PM, Kefeng wang <wangk...@gmail.com> wrote:
>
>> Dear all,
>>
>> I am using Wien16.1 and  Wien17.1 to perform the FM+U calculations for
>> CoAs. It turns out that the difference of the total energy is about 10 eV.
>> In both calculations, I used the same struct file as following:
>>
>> CoAs
>> P   LATTICE,NONEQUIV.ATOMS:  2 62 Pnma
>> MODE OF CALC=RELA unit=ang
>>   9.988151  6.595147 11.101390 90.00 90.00 90.00
>> ATOM  -1: X=0.4980 Y=0.2500 Z=0.2003
>>   MULT= 4  ISPLIT= 8
>>   -1: X=0.0020 Y=0.7500 Z=0.7003
>>   -1: X=0.5020 Y=0.7500 Z=0.7997
>>   -1: X=0.9980 Y=0.2500 Z=0.2997
>> Co1NPT=  781  R0=0.5000 RMT= 2.24Z: 27.0
>> LOCAL ROT MATRIX:0.000 1.000 0.000
>>  0.000 0.000 1.000
>>  1.000 0.000 0.000
>> ATOM  -2: X=0.3004 Y=0.2500 Z=0.5867
>>   MULT= 4  ISPLIT= 8
>>   -2: X=0.1996 Y=0.7500 Z=0.0867
>>   -2: X=0.6996 Y=0.7500 Z=0.4133
>>   -2: X=0.8004 Y=0.2500 Z=0.9133
>> As1NPT=  781  R0=0.5000 RMT= 2.13Z: 33.0
>> LOCAL ROT MATRIX:0.000 1.000 0.000
>>  0.000 0.000 1.000
>>  1.000 0.000 0.000
>>8  NUMBER OF SYMMETRY OPERATIONS
>>  1 0 0 0.
>>  0 1 0 0.
>>  0 0 1 0.
>>1
>> -1 0 0 0.5000
>>  0-1 0 0.
>>  0 0 1 0.5000
>>2
>> -1 0 0 0.
>>  0 1 0 0.5000
>>  0 0-1 0.
>>3
>>  1 0 0 0.5000
>>  0-1 0 0.5000
>>  0 0-1 0.5000
>>4
>> -1 0 0 0.
>>  0-1 0 0.
>>  0 0-1 0.
>>5
>>  1 0 0 0.5000
>>  0 1 0 0.
>>  0 0-1 0.5000
>>6
>>  1 0 0 0.
>>  0-1 0 0.5000
>>  0 0 1 0.
>>7
>> -1 0 0 0.5000
>>  0 1 0 0.5000
>>  0 0 1 0.5000
>>8
>>
>> The k-point mesh was taken to be 11*17*10 and correspond (U-J) is 2 eV.
>> However,  the difference of the total energy of the AFM+U calculations
>> for CoAs Wien16.1 and  Wien17.1 is almost zero.
>>
>> I felt very confused. Did anyone meet this kind of problem? Thanks a lot!
>>
>>
>> Best,
>> K. Wang
>>
>
>
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Re: [Wien] the difference of the total energy is about 10 eV using wien16.1 and wien17.1

2018-04-26 Thread Kefeng wang
Dear Dr. Tran,

Thanks a lot for your reply.

The magnetic moments for two calculations are also different. the one for
wien16.1 is 0.32uB/Fe and the one for wien17.1 is 0.39uB/Fe.

Best,
K. Wang

On Wed, Apr 25, 2018 at 12:05 PM, Kefeng wang <wangk...@gmail.com> wrote:

> Dear all,
>
> I am using Wien16.1 and  Wien17.1 to perform the FM+U calculations for
> CoAs. It turns out that the difference of the total energy is about 10 eV.
> In both calculations, I used the same struct file as following:
>
> CoAs
> P   LATTICE,NONEQUIV.ATOMS:  2 62 Pnma
> MODE OF CALC=RELA unit=ang
>   9.988151  6.595147 11.101390 90.00 90.00 90.00
> ATOM  -1: X=0.4980 Y=0.2500 Z=0.2003
>   MULT= 4  ISPLIT= 8
>   -1: X=0.0020 Y=0.7500 Z=0.7003
>   -1: X=0.5020 Y=0.7500 Z=0.7997
>   -1: X=0.9980 Y=0.2500 Z=0.2997
> Co1NPT=  781  R0=0.5000 RMT= 2.24Z: 27.0
> LOCAL ROT MATRIX:0.000 1.000 0.000
>  0.000 0.000 1.000
>  1.000 0.000 0.000
> ATOM  -2: X=0.3004 Y=0.2500 Z=0.5867
>   MULT= 4  ISPLIT= 8
>   -2: X=0.1996 Y=0.7500 Z=0.0867
>   -2: X=0.6996 Y=0.7500 Z=0.4133
>   -2: X=0.8004 Y=0.2500 Z=0.9133
> As1NPT=  781  R0=0.5000 RMT= 2.13Z: 33.0
> LOCAL ROT MATRIX:0.000 1.000 0.000
>  0.000 0.000 1.000
>  1.000 0.000 0.000
>8  NUMBER OF SYMMETRY OPERATIONS
>  1 0 0 0.
>  0 1 0 0.
>  0 0 1 0.
>1
> -1 0 0 0.5000
>  0-1 0 0.
>  0 0 1 0.5000
>2
> -1 0 0 0.
>  0 1 0 0.5000
>  0 0-1 0.
>3
>  1 0 0 0.5000
>  0-1 0 0.5000
>  0 0-1 0.5000
>4
> -1 0 0 0.
>  0-1 0 0.
>  0 0-1 0.
>5
>  1 0 0 0.5000
>  0 1 0 0.
>  0 0-1 0.5000
>6
>  1 0 0 0.
>  0-1 0 0.5000
>  0 0 1 0.
>7
> -1 0 0 0.5000
>  0 1 0 0.5000
>  0 0 1 0.5000
>8
>
> The k-point mesh was taken to be 11*17*10 and correspond (U-J) is 2 eV.
> However,  the difference of the total energy of the AFM+U calculations
> for CoAs Wien16.1 and  Wien17.1 is almost zero.
>
> I felt very confused. Did anyone meet this kind of problem? Thanks a lot!
>
>
> Best,
> K. Wang
>
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[Wien] the difference of the total energy is about 10 eV using wien16.1 and wien17.1

2018-04-25 Thread Kefeng wang
Dear all,

I am using Wien16.1 and  Wien17.1 to perform the FM+U calculations for
CoAs. It turns out that the difference of the total energy is about 10 eV.
In both calculations, I used the same struct file as following:

CoAs
P   LATTICE,NONEQUIV.ATOMS:  2 62 Pnma
MODE OF CALC=RELA unit=ang
  9.988151  6.595147 11.101390 90.00 90.00 90.00
ATOM  -1: X=0.4980 Y=0.2500 Z=0.2003
  MULT= 4  ISPLIT= 8
  -1: X=0.0020 Y=0.7500 Z=0.7003
  -1: X=0.5020 Y=0.7500 Z=0.7997
  -1: X=0.9980 Y=0.2500 Z=0.2997
Co1NPT=  781  R0=0.5000 RMT= 2.24Z: 27.0
LOCAL ROT MATRIX:0.000 1.000 0.000
 0.000 0.000 1.000
 1.000 0.000 0.000
ATOM  -2: X=0.3004 Y=0.2500 Z=0.5867
  MULT= 4  ISPLIT= 8
  -2: X=0.1996 Y=0.7500 Z=0.0867
  -2: X=0.6996 Y=0.7500 Z=0.4133
  -2: X=0.8004 Y=0.2500 Z=0.9133
As1NPT=  781  R0=0.5000 RMT= 2.13Z: 33.0
LOCAL ROT MATRIX:0.000 1.000 0.000
 0.000 0.000 1.000
 1.000 0.000 0.000
   8  NUMBER OF SYMMETRY OPERATIONS
 1 0 0 0.
 0 1 0 0.
 0 0 1 0.
   1
-1 0 0 0.5000
 0-1 0 0.
 0 0 1 0.5000
   2
-1 0 0 0.
 0 1 0 0.5000
 0 0-1 0.
   3
 1 0 0 0.5000
 0-1 0 0.5000
 0 0-1 0.5000
   4
-1 0 0 0.
 0-1 0 0.
 0 0-1 0.
   5
 1 0 0 0.5000
 0 1 0 0.
 0 0-1 0.5000
   6
 1 0 0 0.
 0-1 0 0.5000
 0 0 1 0.
   7
-1 0 0 0.5000
 0 1 0 0.5000
 0 0 1 0.5000
   8

The k-point mesh was taken to be 11*17*10 and correspond (U-J) is 2 eV.
However,  the difference of the total energy of the AFM+U calculations for
CoAs Wien16.1 and  Wien17.1 is almost zero.

I felt very confused. Did anyone meet this kind of problem? Thanks a lot!


Best,
K. Wang
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Re: [Wien] Is it a SPAGHETTI bug?

2017-05-15 Thread Kefeng wang
Dear Prof. Blaha,

Thanks a lot for your reply. Yes, It is the same in ps file. I feel very
confused.

Best,
K. Wang

On Fri, May 12, 2017 at 4:59 PM, Kefeng wang <wangk...@gmail.com> wrote:

> Dear all,
>
> I am using wien 16.1 to perform the DFT calculations for RhSb3. For the
> scf calculations, I used 3000 k points and everything goes well. However,
> when I plotted band structure using spaghetti, the position of the vertical
> line corresponding to the high symmetry k points is wrong when I used 500 k
> points. If I reduced the number of k points to 100, it turns out no
> problem.  you can found the further information  in the
> case.bands.agr files below or the enclosed figures:
>
> case. bands.agr for 500 k points:
>
> @ xaxis  tick major   0, 0.0
>  @ xaxis  ticklabel0 ,"H   "
> @ xaxis  tick major   1, 0.37122
>  @ xaxis  ticklabel1 ,""
> @ xaxis  tick major   2, 0.61480
>  @ xaxis  ticklabel2 ,"N   "
>
> case. bands.agr for 100 k points:
>
> @ xaxis  tick major   0, 0.0
>  @ xaxis  ticklabel0 ,"H   "
> @ xaxis  tick major   1, 0.36014
>  @ xaxis  ticklabel1 ,"\xG"
> @ xaxis  tick major   2, 0.61480
>  @ xaxis  ticklabel2 ,"N   "
>
> You can see in the lower case. bands.agr file, the verticle line
> corresponding to Gamma point is in the right place while it is wrong in the
> upper case.bands.agr file. Does anybody encounter this kind of problem or
> is it a spaghetti bug? Thanks in advance!
>
> Best,
> K. Wang
>
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[Wien] Is it a SPAGHETTI bug?

2017-05-12 Thread Kefeng wang
Dear all,

I am using wien 16.1 to perform the DFT calculations for RhSb3. For the
scf calculations, I used 3000 k points and everything goes well. However,
when I plotted band structure using spaghetti, the position of the vertical
line corresponding to the high symmetry k points is wrong when I used 500 k
points. If I reduced the number of k points to 100, it turns out no
problem.  you can found the further information  in the
case.bands.agr files below or the enclosed figures:

case. bands.agr for 500 k points:

@ xaxis  tick major   0, 0.0
 @ xaxis  ticklabel0 ,"H   "
@ xaxis  tick major   1, 0.37122
 @ xaxis  ticklabel1 ,""
@ xaxis  tick major   2, 0.61480
 @ xaxis  ticklabel2 ,"N   "

case. bands.agr for 100 k points:

@ xaxis  tick major   0, 0.0
 @ xaxis  ticklabel0 ,"H   "
@ xaxis  tick major   1, 0.36014
 @ xaxis  ticklabel1 ,"\xG"
@ xaxis  tick major   2, 0.61480
 @ xaxis  ticklabel2 ,"N   "

You can see in the lower case. bands.agr file, the verticle line
corresponding to Gamma point is in the right place while it is wrong in the
upper case.bands.agr file. Does anybody encounter this kind of problem or
is it a spaghetti bug? Thanks in advance!

Best,
K. Wang


BStest_500.pdf
Description: Adobe PDF document


BStest_100.pdf
Description: Adobe PDF document
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Re: [Wien] wien2wannier with SOC in WIEN2k 16.1

2016-12-15 Thread Kefeng Wang
Dear Elias, 

 

Thanks a lot for your help and explanation. With the new script
write_inwf_lapw, everything works fine now.

 

> 1.   Then I run *prepare_w2wdir WANN, but this command cannot 

> recognize Case.spaghettiup_ene and Case.Spaghettidn_ene file,

> instead it shows "cannot find spaghetti_ene file". I copy them

> manually. Is something wrong?

 

I don't know.  Help me help you by showing the precise error message.

 

 

->For this one, the exact error message is  "recommended file
'GaAs.spaghetti_ene' not found (will continue)". But it does not affect the
calculation since spaghetti file is only for reference. I believe the
command did not recognize the "spaghettiup_ene" and "spaghettidn_ene" file.

 

 
> 3.   After that, x lapw1 -up; x lapw1 -dn; x lapwso -up; x w2w 
> -so -up; xw2w -so -dn; and finally x wannier90 -so. Everything goes 
> smooth, I got reasonable band structure except that there is only one
> Case_band.dat file. I tried run "x wannier90 -so  -up", but it shows
> "wannier90: -so should be used without -up/-dn". Shall we expect two
> band data file for two spin channels or somehow I am stupid?
 
This seems right.  Why do you expect separate bands for up and down?
With SOC, that is not a good quantum number anymore.
 
->I did not realize that. Thanks for pointing out. But if so, what happens
to the wannier function? After getting reasonable band structure, I tried to
plot wannier function. But It seems messed up.
I copied case.inwplot to case.inwplotup, and could ran "x wplot -up -so -wf
1" successfully ("x wplot -so -wf 1" did not work since there is ony *.vspup
file instead of *.vsp).
After that, if I try to run "wplot2xsf -up", it shows "wplot2xsf: Could not
open file `GaAs-WANN_centres.xyzup'.  Will proceed without shift." And if I
ran "wplot2xsf", it shows "No Wannier functions given and no `psink' files
found.  Nothing to do.".
 
Thanks again for your help.
 
Best
Kefeng
 

 

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[Wien] wien2wannier with SOC in WIEN2k 16.1

2016-12-15 Thread Kefeng Wang
Dear developers and user community,

 

I am trying to run wien2wannier in the new WIEN2k 16.1 on a simple case GaAs
with spin polarization and spin orbital coupling. I met some problems.

 

My platform and other information:

WIEN2k 16.1, x86_64, linux, intel compiler ifort and mkl (2016.1)

 

After the spin polarized scf run with SOC 

*runsp_c_lapw -so -ec 0.0001

 

I got the band structure for both spin channel.  Following is the procedure
I run wien2annier and the problem I met:

 

1.   Then I run *prepare_w2wdir WANN, but this command cannot recognize
Case.spaghettiup_ene and Case.Spaghettidn_ene file, instead it shows "cannot
find spaghetti_ene file". I copy them manually. Is something wrong?

 

2.   Then I run "init_w2w -up", after k mesh (10 10 10) and find band,
"write_inwf" shows "error: unrecognized arguments: -up" and init_w2w exit.
I also found the help file did not include [-up/dn] option for write_inwf
command. So I manually run write_inwf and then copy case.inwf to case.inwfup
and case.inwfdn.  Is this right?

 

3.   After that, x lapw1 -up; x lapw1 -dn; x lapwso -up; x w2w -so -up;
xw2w -so -dn; and finally x wannier90 -so. Everything goes smooth, I got
reasonable band structure except that there is only one Case_band.dat file.
I tried run "x wannier90 -so  -up", but it shows "wannier90: -so should be
used without -up/-dn". Shall we expect two band data file for two spin
channels or somehow I am stupid?

 

 

Also, I found a recipe for SOC case without spin polarization, but it seems
outdated. What should I do with this new version for the SOC case without
spin polarization?

 

Thanks a lot for your help in advance.

 

Best

Kefeng Wang

 

 

 

 

 

 

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[Wien] Wien2k 16 siteconfig_lapw error

2016-12-13 Thread Kefeng Wang
Dear WIEN2k developers and users,

 

Thanks a lot for effort to make the new version available. I am trying to
compile the WIEN2k 16, but I got problem running siteconfig_law. For the
first time running siteconfig_lapw, after I specified the compiler and
compile option, the screen shows "cut: fields and positions are numbered
from 1" and stop there. If I force to quite the siteconfig_lapw and run it
again, it gave nothing but that message again. Did anybody meet this and
could help me out?

 

Thanks.

 

Best

Kefeng Wang

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[Wien] irrep error for symmorphic space group

2016-09-19 Thread Kefeng Wang
Dear wien2k users and developers,

 

I tried to use irrep to analysis the parity of bands. But I got error saying
"trsym:cannot find class" and the outputirso file is following:

 




 

 

knum =  1kname= GAMMA 

k = 0.00 0.00 0.00

 

   The point group is Th 

   24 symmetry operations in  8 classes

   Table 79   on page  86 in Koster  et al [7]

   Table 72.4 on page 633 in Altmann et al [8]

 

   E   3C2   4C3   4C3-I  3IC2  4IC3  4IC3-


   G1+   Ag1 1 1 1 1 1 1 1  

   G2+  1Eg1 1 e e*1 1 e e* 

   G3+  2Eg1 1 e*e 1 1 e*e  

   G4+   Tg3-1 0 0 3-1 0 0  

   G1-   Au1 1 1 1-1-1-1-1  

   G2-  1Eu1 1 e e*   -1-1-e-e* 

   G3-  2Eu1 1 e*e-1-1-e*   -e  

   G4-   Tu3-1 0 0-3 1 0 0  

   

   G5+   E1/2g 2 0 1 1 2 0 1 1  

   G6+  1F3/2g 2 0 e e*2 0 e e* 

   G7+  2F3/2g 2 0 e*e 2 0 e*e  

   G5-   E1/2u 2 0 1 1-2 0-1-1  

   G6-  1F3/2u 2 0 e e*   -2 0-e-e* 

   G7-  2F3/2u 2 0 e*e-2 0-e*   -e  

   e=exp(2pi*i/3)

 

   labeling of IRs can change due to choice of 

   symmetry axes: G2 <;->; G3 and G6 <;->; G7   

 

 

class, symmetry ops, exp(-i*k*taui)

   E   21   (+1.00+0.00i)

3C21 13 18 (+1.00+0.00i)

4C32  3 14 15 16 17 19 20  (+1.00+0.00i)
(+1.00+0.00i)

   I4   (+1.00+0.00i)

3IC27 12 24 (+1.00+0.00i)

4IC35  6  8  9 10 11 22 23  (+1.00+0.00i)
(+1.00+0.00i)

 

bnd ndg  eigval E 3C2 4C3   trsym:cannot find class

 

 

I went through the archive, and found this usually happens in the case of
the k point in the BZ surface of nonsymmorphic space group. But my structure
have 204 Im-3 space group and is symmorphic as indicated by x symmetry. Also
I was trying to analysis the GAMMA point which is the center of BZ. But I do
found that the k point which is not special point works well with irrep.
Another point is there are several exponential in the table above instead of
simple value. Could anyone tell me what's the reason of this error?

 

Thanks a lot for your effort in advance.

 

Best

Kefeng Wang

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[Wien] parity analysis of bands

2016-09-15 Thread Kefeng Wang
Dear WIEN2k community:

 

I tried to use irrep to analysis the parity of bands, after a success scf
and band calucation (I am using WIEN2k 13.1), the part of case.outputirso
file is following:

 

   The point group is D3d

   12 symmetry operations in  6 classes

   Table 55   on page  58 in Koster  et al [7]

   Table 42.4 on page 371 in Altmann et al [8]

 

   E   2C3   3C2 I  2IC3  3IC2


   G1+   A1g   1 1 1 1 1 1  

   G2+   A2g   1 1-1 1 1-1  

   G3+   Eg2-1 0 2-1 0  

   G1-   A1u   1 1 1-1-1-1  

   G2-   A2u   1 1-1-1-1 1  

   G3-   Eu2-1 0-2 1 0  

   

   G4+   E1/2g 2 1 0 2 1 0  

   G5+  1E3/2g 1-1 i 1-1 i  

   G6+  2E3/2g 1-1-i 1-1-i  

   G4-   E1/2u 2 1 0-2-1 0  

   G5-  1E3/2u 1-1 i-1 1-i  

   G6-  2E3/2u 1-1-i-1 1 i  

 

 

class, symmetry ops, exp(-i*k*taui)

   E   12 (+1.00+0.00i)

2C38  9  (+1.00+0.00i)

3C22  3  6   (+1.00+0.00i)

   I1 (+1.00+0.00i)

2IC34  5  (+1.00+0.00i)

3IC27 10 11   (+1.00+0.00i)

 

bnd ndg  eigval E 2C3 3C2   I2IC3
3IC2   

  1  2 -2.363875 2.00+0.00i  0.97+0.00i  0.00+0.00i  2.00+0.00i  0.97+0.00i
0.00+0.00i ??

  9  2 -2.347641 2.00+0.00i  0.97+0.00i  0.00+0.00i  2.00+0.00i  0.97+0.00i
0.00+0.00i ??

51  2 -0.580508 2.00+0.00i  1.00+0.00i  0.00+0.00i  2.00+0.00i  1.00+0.00i
0.00+0.00i =G4+

 

My problem is some band (such as 1,9 in the output file) just show ??
instead of correct representation, while some else do right (such as band
51). I realized that the possible reason is some value is "0.97+0i" instead
of exact integer (such as 2+0i). I went through the archives but did not
find the resolutions.  Could anybody help me out of this? Thanks in advance.

 

Kefeng Wang

 

University of Maryland

 

 

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[Wien] [wien2wannier] wplot error

2014-05-09 Thread Kefeng Wang
Dear All,

 

I tried to follow the SrVO3 example in wien2wannier 1.0 beta2 and Wannier90
1.2. Everything went well until the command 'x wplot -wf -m failed. The
error message  is forrtl: severe (59): list-directed I/O syntax error, unit
-5, file Internal List-Directed Read. Before that, I compared the
bandstructures and it is good. Could anybody help me out?

 

Thanks in advance

 

Kefeng

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