[Wien] NOSE thermostat (NaN & EFG - Error)

Maurizio Mattesini maurizio.mattesini at gmail.com
Wed Jan 28 15:21:15 CET 2015


Dear Wien-users,

I’ve been trying to run a MD calculation (NOSE thermostat/Wien2k.14.2/PBE at Gamma point) for an Fe-bcc 2x2x2 supercell (16 atoms) 
and always got stuck at the same “EFG - Error”. Please find below the input files and the output after 
running the min_lapw script. Please note that I’ve been trying to play with the nose-frequency value 
without getting rid of this EFG/NaN error. Any hints on why I get these “NaN” values at the atomic 
positions already in the 1st change of the struct file?

Any comments will be highly appreciated! Thanks a lot...

Cheers
Maurizio Mattesini 
(Universidad Complutense de Madrid, Spain)  

____________________________________________________________________________________________________________________ 

>> min_lapw -j "run_lapw -I -fc 1.0 -i 40" 
DSTART ENDS
14.203u 0.023s 0:14.23 99.9%	0+0k 0+28064io 0pf+0w
 LAPW0 END
 LAPW1 END
 LAPW2 END
 CORE  END
 MIXER END
ec cc and fc_conv 1 1 0
in cycle 2    ETEST: 0   CTEST: 0
 LAPW0 END
 LAPW1 END
 LAPW2 END
 CORE  END
 MIXER END
ec cc and fc_conv 1 1 0
in cycle 3    ETEST: 0   CTEST: 0
 LAPW0 END
 LAPW1 END
 LAPW2 END
 CORE  END
 MIXER END
ec cc and fc_conv 1 1 0
in cycle 4    ETEST: .3944800200000000   CTEST: .5283516
 LAPW0 END
 LAPW1 END
 LAPW2 END
 CORE  END
 MIXER END
ec cc and fc_conv 1 1 1

>   stop
>>  (mini) arrived at end -> exit
Fallback to compatibility mode with "old" save_lapw
broyden files deleted, clm*, dmat*, vorb*, vresp*, eece*, scf and struct files saved under Fe_bcc_222_fm_md_00000000
running dstart in single mode
DSTART ENDS
0.465u 0.023s 0:00.49 97.9%	0+0k 0+32264io 0pf+0w
0.631u 0.026s 0:00.65 100.0%	0+0k 0+28152io 0pf+0w
clmextrapol_lapw has generated a new Fe_bcc_222_fm_md.clmsum
EFG - Error

>   stop error
>>> (min_lapw) status after run_lapw -I -fc 1.0 -i 40\: 9 -> exit
____________________________________________________________________________________________________________________

Here the 1st updated struct file with the NaN values that originate the EFG - Error:
Fe bcc (alpha-Fe)
P                           16
             RELA
 10.779002 10.779002 10.779002 90.000000 90.000000 90.000000
ATOM  -1: X=       NaN Y=       NaN Z=       NaN
          MULT= 1          ISPLIT= 8
Fe1        NPT=  781  R0=0.00005000 RMT=    2.3200   Z:  26.00000
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -2: X=       NaN Y=       NaN Z=       NaN
          MULT= 1          ISPLIT= 8
Fe2        NPT=  781  R0=0.00005000 RMT=    2.3200   Z:  26.00000
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -3: X=       NaN Y=       NaN Z=       NaN
          MULT= 1          ISPLIT= 8
Fe3        NPT=  781  R0=0.00005000 RMT=    2.3200   Z:  26.00000
…


My dayfile:

Calculating Fe_bcc_222_fm_md in /home/maurizio/WIEN2k_14.2/Fe-bcc/Fe_bcc_222_fm_md
using WIEN2k_14.2 (Release 15/10/2014) in /home/maurizio/WIEN2k_14.2


    start       (Mon Jan 26 14:49:43 CET 2015) with lapw0 (40/99 to go)

    cycle 1     (Mon Jan 26 14:49:43 CET 2015)  (40/99 to go)

>   lapw0       (14:49:43) 3.989u 0.040s 0:04.03 99.7%  0+0k 0+368io 0pf+0w

>   stop error


My lapw0.error file:

'EFG' - max order of QR-alghorithm exceeded

My inM file:

NOSE                            (NOSE/MOLD /a4))
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)
55.8452 400.0 1000. 5.0     (Mass, deltaT, Temp, nose-frequency)

My starting struct file:

Fe bcc (alpha-Fe)
P   LATTICE,NONEQUIV.ATOMS: 16
MODE OF CALC=RELA unit=bohr
 10.779002 10.779002 10.779002 90.000000 90.000000 90.000000
ATOM  -1: X=0.00000000 Y=0.00000000 Z=0.00000000
          MULT= 1          ISPLIT= 8
Fe1        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -2: X=0.50000000 Y=0.00000000 Z=0.00000000
          MULT= 1          ISPLIT= 8
Fe2        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
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=0.50000000 Z=0.00000000
          MULT= 1          ISPLIT= 8
Fe3        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -4: X=0.50000000 Y=0.50000000 Z=0.00000000
          MULT= 1          ISPLIT= 8
Fe4        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
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=0.50000000
          MULT= 1          ISPLIT= 8
Fe5        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -6: X=0.50000000 Y=0.00000000 Z=0.50000000
          MULT= 1          ISPLIT= 8
Fe6        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
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=0.50000000 Z=0.50000000
          MULT= 1          ISPLIT= 8
Fe7        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -8: X=0.50000000 Y=0.50000000 Z=0.50000000
          MULT= 1          ISPLIT= 8
Fe8        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -9: X=0.25000000 Y=0.25000000 Z=0.25000000
          MULT= 1          ISPLIT= 8
Fe9        NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -10: X=0.75000000 Y=0.25000000 Z=0.25000000
          MULT= 1          ISPLIT= 8
Fe10       NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -11: X=0.25000000 Y=0.75000000 Z=0.25000000
          MULT= 1          ISPLIT= 8
Fe11       NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -12: X=0.75000000 Y=0.75000000 Z=0.25000000
          MULT= 1          ISPLIT= 8
Fe12       NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -13: X=0.25000000 Y=0.25000000 Z=0.75000000
          MULT= 1          ISPLIT= 8
Fe13       NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -14: X=0.75000000 Y=0.25000000 Z=0.75000000
          MULT= 1          ISPLIT= 8
Fe14       NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -15: X=0.25000000 Y=0.75000000 Z=0.75000000
          MULT= 1          ISPLIT= 8
Fe15       NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM -16: X=0.75000000 Y=0.75000000 Z=0.75000000
          MULT= 1          ISPLIT= 8
Fe16       NPT=  781  R0=0.00005000 RMT= 2.32        Z: 26.0
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
   1      NUMBER OF SYMMETRY OPERATIONS
 1 0 0 0.00000000
 0 1 0 0.00000000
 0 0 1 0.00000000
       1


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