[Wien] Regarding structure convergence

sandeep Kumar sandeepk.phy at gmail.com
Mon Oct 1 12:12:59 CEST 2018


Dear Professor Peter Blaha,

Thank you very much for suggestions! I will follow your suggestion and let
you know.

Regards

Sandeep


On Fri, Sep 28, 2018 at 10:40 PM sandeep Kumar <sandeepk.phy at gmail.com>
wrote:

> Dear Professor Peter Blaha and  WIEN2k Users,
>
> I am working on the electronic structure of NaCaPO4  but I am confused
> about RMT and RKMAX for this structure. Actually, the RMT value  of P is
> small (1.32 a.u.). When I take cut-off energy -6.0 to 9.0 Ry,  I got these
> warning:
>
> :WARNING:     0.051  P    CORE electrons leak out of MT-sphere !!!!
> :WARNING: touch .lcore and run scf-cycle with core density superposition
> :WARNING: Or: rerun lstart with lower E-core separation energy
> :WARNING:     ORBITAL:  2P*    -9.194    -9.194
> :WARNING:     ORBITAL:  2P     -9.126    -9.126
>
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1314 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1288 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1252 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1235 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1221 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1026 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1028 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1055 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1084 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1151 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1202 mRy/bohr
> :WARN  FCORE for atom   9 not converged at RMT. Estimated inaccuracy:
> 0.1068 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1159 mRy/bohr
> :WARN  FCORE for atom   9 not converged at RMT. Estimated inaccuracy:
> 0.1026 mRy/bohr
> :WARN  FCORE for atom   9 not converged at RMT. Estimated inaccuracy:
> 0.1099 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1171 mRy/bohr
> :WARN  FCORE for atom   9 not converged at RMT. Estimated inaccuracy:
> 0.1009 mRy/bohr
> :WARN  FCORE for atom   9 not converged at RMT. Estimated inaccuracy:
> 0.1079 mRy/bohr
> :WARN  FCORE for atom   8 not converged at RMT. Estimated inaccuracy:
> 0.1191 mRy/bohr
> :WARN  FCORE for atom   9 not converged at RMT. Estimated inaccuracy:
> 0.1051 mRy/bohr
>
> But when I took -9.5 Ry, I did not get these warning but this made
> calculations more expensive. I have some questions below:
>
> Can I ignore 0.051  P    CORE electrons leak out of MT-sphere?
> Is this occurred because of small RMT of P?
> Could you please suggest about RMT of P and cut-off energy for this
> systems?
>
> For your convenience , below are the case.struct file (after
> setrmt_lapwscript)
>
> blebleble
> P   LATTICE,NONEQUIV.ATOMS  21   33 Pn21a
> MODE OF CALC=RELA unit=bohr
>  38.544744 10.227198 17.311781 90.000000 90.000000 90.000000
> ATOM  -1: X=0.50110000 Y=0.26000000 Z=0.79890000
>           MULT= 4          ISPLIT= 8
>       -1: X=0.49890000 Y=0.76000000 Z=0.20110000
>       -1: X=0.99890000 Y=0.76000000 Z=0.29890000
>       -1: X=0.00110000 Y=0.26000000 Z=0.70110000
> Ca2+       NPT=  781  R0=.000050000 RMT= 2.14        Z:  20.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -2: X=0.66740000 Y=0.22780000 Z=0.70570000
>           MULT= 4          ISPLIT= 8
>       -2: X=0.33260000 Y=0.72780000 Z=0.29430000
>       -2: X=0.83260000 Y=0.72780000 Z=0.20570000
>       -2: X=0.16740000 Y=0.22780000 Z=0.79430000
> Ca2+       NPT=  781  R0=.000050000 RMT= 2.14        Z:  20.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -3: X=0.83560000 Y=0.20510000 Z=0.79770000
>           MULT= 4          ISPLIT= 8
>       -3: X=0.16440000 Y=0.70510000 Z=0.20230000
>       -3: X=0.66440000 Y=0.70510000 Z=0.29770000
>       -3: X=0.33560000 Y=0.20510000 Z=0.70230000
> Ca2+       NPT=  781  R0=.000050000 RMT= 2.14        Z:  20.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -4: X=0.55590000 Y=0.26240000 Z=0.42810000
>           MULT= 4          ISPLIT= 8
>       -4: X=0.44410000 Y=0.76240000 Z=0.57190000
>       -4: X=0.94410000 Y=0.76240000 Z=0.92810000
>       -4: X=0.05590000 Y=0.26240000 Z=0.07190000
> Na1+       NPT=  781  R0=.000100000 RMT= 2.12        Z:  11.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -5: X=0.72160000 Y=0.22120000 Z=0.07230000
>           MULT= 4          ISPLIT= 8
>  -5: X=0.27840000 Y=0.72120000 Z=0.92770000
>       -5: X=0.77840000 Y=0.72120000 Z=0.57230000
>       -5: X=0.22160000 Y=0.22120000 Z=0.42770000
> Na1+       NPT=  781  R0=.000100000 RMT= 2.12        Z:  11.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -6: X=0.89200000 Y=0.23680000 Z=0.42960000
>           MULT= 4          ISPLIT= 8
>       -6: X=0.10800000 Y=0.73680000 Z=0.57040000
>       -6: X=0.60800000 Y=0.73680000 Z=0.92960000
>       -6: X=0.39200000 Y=0.23680000 Z=0.07040000
> Na1+       NPT=  781  R0=.000100000 RMT= 2.12        Z:  11.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -7: X=0.90710000 Y=0.25390000 Z=0.08560000
>           MULT= 4          ISPLIT= 8
>       -7: X=0.09290000 Y=0.75390000 Z=0.91440000
>       -7: X=0.59290000 Y=0.75390000 Z=0.58560000
>       -7: X=0.40710000 Y=0.25390000 Z=0.41440000
> P 5+       NPT=  781  R0=.000100000 RMT= 1.32        Z:  15.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -8: X=0.74040000 Y=0.22260000 Z=0.41810000
>           MULT= 4          ISPLIT= 8
>       -8: X=0.25960000 Y=0.72260000 Z=0.58190000
>       -8: X=0.75960000 Y=0.72260000 Z=0.91810000
>       -8: X=0.24040000 Y=0.22260000 Z=0.08190000
> P 5+       NPT=  781  R0=.000100000 RMT= 1.32        Z:  15.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM  -9: X=0.57620000 Y=0.22380000 Z=0.09030000
>           MULT= 4          ISPLIT= 8
>       -9: X=0.42380000 Y=0.72380000 Z=0.90970000
>       -9: X=0.92380000 Y=0.72380000 Z=0.59030000
>       -9: X=0.07620000 Y=0.22380000 Z=0.40970000
>                                                   P 5+       NPT=  781
> R0=.000100000 RMT= 1.32        Z:  15.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -10: X=0.83380000 Y=0.27610000 Z=0.05830000
>           MULT= 4          ISPLIT= 8
>      -10: X=0.16620000 Y=0.77610000 Z=0.94170000
>      -10: X=0.66620000 Y=0.77610000 Z=0.55830000
>      -10: X=0.33380000 Y=0.27610000 Z=0.44170000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -11: X=0.94530000 Y=0.25880000 Z=0.94200000
>           MULT= 4          ISPLIT= 8
>      -11: X=0.05470000 Y=0.75880000 Z=0.05800000
>      -11: X=0.55470000 Y=0.75880000 Z=0.44200000
>      -11: X=0.44530000 Y=0.25880000 Z=0.55800000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -12: X=0.92410000 Y=0.01400000 Z=0.16520000
>           MULT= 4          ISPLIT= 8
>      -12: X=0.07590000 Y=0.51400000 Z=0.83480000
>      -12: X=0.57590000 Y=0.51400000 Z=0.66520000
>      -12: X=0.42410000 Y=0.01400000 Z=0.33480000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -13: X=0.92890000 Y=0.47690000 Z=0.18100000
>           MULT= 4          ISPLIT= 8
>      -13: X=0.07110000 Y=0.97690000 Z=0.81900000
>      -13: X=0.57110000 Y=0.97690000 Z=0.68100000
>      -13: X=0.42890000 Y=0.47690000 Z=0.31900000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -14: X=0.66980000 Y=0.27580000 Z=0.43740000
>    MULT= 4          ISPLIT= 8
>      -14: X=0.33020000 Y=0.77580000 Z=0.56260000
>      -14: X=0.83020000 Y=0.77580000 Z=0.93740000
>      -14: X=0.16980000 Y=0.27580000 Z=0.06260000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -15: X=0.77500000 Y=0.17050000 Z=0.56700000
>           MULT= 4          ISPLIT= 8
>      -15: X=0.22500000 Y=0.67050000 Z=0.43300000
>      -15: X=0.72500000 Y=0.67050000 Z=0.06700000
>      -15: X=0.27500000 Y=0.17050000 Z=0.93300000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -16: X=0.75310000 Y=0.00930000 Z=0.31140000
>           MULT= 4          ISPLIT= 8
>      -16: X=0.24690000 Y=0.50930000 Z=0.68860000
>      -16: X=0.74690000 Y=0.50930000 Z=0.81140000
>      -16: X=0.25310000 Y=0.00930000 Z=0.18860000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -17: X=0.77170000 Y=0.46500000 Z=0.34530000
>           MULT= 4          ISPLIT= 8
>      -17: X=0.22830000 Y=0.96500000 Z=0.65470000
>      -17: X=0.72830000 Y=0.96500000 Z=0.84530000
>      -17: X=0.27170000 Y=0.46500000 Z=0.15470000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -18: X=0.50110000 Y=0.17200000 Z=0.05660000
>           MULT= 4          ISPLIT= 8
>      -18: X=0.49890000 Y=0.67200000 Z=0.94340000
>      -18: X=0.99890000 Y=0.67200000 Z=0.55660000
>      -18: X=0.00110000 Y=0.17200000 Z=0.44340000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -19: X=0.60710000 Y=0.26860000 Z=0.93750000
>           MULT= 4          ISPLIT= 8
>      -19: X=0.39290000 Y=0.76860000 Z=0.06250000
>      -19: X=0.89290000 Y=0.76860000 Z=0.43750000
>      -19: X=0.10710000 Y=0.26860000 Z=0.56250000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -20: X=0.60390000 Y=0.99740000 Z=0.15590000
>           MULT= 4          ISPLIT= 8
>      -20: X=0.39610000 Y=0.49740000 Z=0.84410000
>      -20: X=0.89610000 Y=0.49740000 Z=0.65590000
>      -20: X=0.10390000 Y=0.99740000 Z=0.34410000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
> ATOM -21: X=0.58360000 Y=0.45530000 Z=0.18440000
>           MULT= 4          ISPLIT= 8
>      -21: X=0.41640000 Y=0.95530000 Z=0.81560000
>      -21: X=0.91640000 Y=0.95530000 Z=0.68440000
>      -21: X=0.08360000 Y=0.45530000 Z=0.31560000
> O 2-       NPT=  781  R0=.000100000 RMT= 1.46        Z:   8.00000
> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>                      0.0000000 1.0000000 0.0000000
>                      0.0000000 0.0000000 1.0000000
>    4      NUMBER OF SYMMETRY OPERATIONS
>  1 0 0 0.00000000
>  0 1 0 0.00000000
>  0 0 1 0.00000000
>        1
> -1 0 0 0.00000000
>  0 1 0 0.50000000
>  0 0-1-0.00000000
>        2
> -1 0 0 0.50000000
>  0 1 0 0.50000000
>  0 0 1 0.50000000
>        3
>  1 0 0 0.50000000
>  0 1 0 0.00000000
>  0 0-1 0.50000000
>        4
>
>
> Please suggest! I would be thankful to all of you!
>
>
> Thanks
>
> Sandeep
>
> --
> Dr. Sandeep Kumar (Postdoctoral Research Fellow)
> Institute for Nanotechnology & Advanced Materials,
> Department of Chemistry,
> Bar-Ilan University, Ramat-Gan 52900, Israel
>
>
>
>
>
>
>
>
>
>
>

-- 
Dr. Sandeep Kumar (Postdoctoral Research Fellow)
Institute for Nanotechnology & Advanced Materials,
Department of Chemistry,
Bar-Ilan University, Ramat-Gan 52900, Israel
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