[Wien] dstart error in init_lapw

Yong Woo Kim ywk1234 at gmail.com
Fri Feb 24 07:58:54 CET 2017


Dear Wien2k users,

I have recently upgraded Wien2k from version 14.2 to 16.1.

After the upgrade I have tried to run a calculation on wurtzite ZnO
structure but got the following error during init_lapw.

[1m next is setrmt  (B [m
 [1m next is nn  (B [m
STOP NN ENDS
 specify nn-bondlength factor: (usually=2) [and optionally dlimit,
dstmax (about 1.d-5, 20)]
 DSTMAX:   20.000000000000000
 iix,iiy,iiz           4           4           3   24.561903999999998
      24.561903999999998        29.501271000000003

    ATOM  1  Zn         ATOM  2  O
 RMT(  1)=1.93000 AND RMT(  2)=1.66000
 SUMS TO 3.59000  LT.  NN-DIST= 3.73028

    ATOM  2  O          ATOM  1  Zn
 RMT(  2)=1.66000 AND RMT(  1)=1.93000
 SUMS TO 3.59000  LT.  NN-DIST= 3.73028
0.0u 0.0s 0:00.00 0.0% 0+0k 2176+56io 9pf+0w
 [1m next is sgroup  (B [m
>   sgroup	(11:26:29) 0.0u 0.0s 0:00.00 0.0% 0+0k 0+8io 0pf+0w
  Names of point group: 3m1    3m1    C3v
  Names of point group: 3m1    3m1    C3v
Number and name of space group: 186 (P 63 m c)
 [1m next is symmery  (B [m
>   symmetry	(11:26:29) 0.0u 0.0s 0:00.00 0.0% 0+0k 208+40io 1pf+0w
 [1m next is lstart  (B [m
  SELECT XCPOT:
  recommended: PBE    [(13) GGA of Perdew-Burke-Ernzerhof 96]
               LDA    [( 5)]
               WC     [(11)  GGA of Wu-Cohen 2006]
               PBESOL [(19) GGA of Perdew etal. 2008]
  SELECT ENERGY to separate core and valence states:
  recommended: -6.0 Ry (check how much core charge leaks out of MT-sphere)
  ALTERNATIVELY: specify charge localization (between 0.97 and 1.0) to
select core state
Note: The following floating-point exceptions are signalling:
IEEE_UNDERFLOW_FLAG IEEE_DENORMAL
STOP LSTART ENDS
>   inputfiles prepared	(11:26:29)
 [1m inputfiles prepared  (B [m
 [1m next is kgen  (B [m
STOP KGEN ENDS
          12  symmetry operations without inversion
 inversion added (non-spinpolarized non-so calculation)
  NUMBER OF K-POINTS IN WHOLE CELL: (0 allows to specify 3 divisions of G)
 length of reciprocal lattice vectors:   1.182   1.182   0.639  12.274
 12.274   6.638
          76  k-points generated, ndiv=          12          12           6
 [1m next is dstart  (B [m
>   dstart  -p	(11:26:29) running dstart in single mode
STOP DSTART - Error
**  dstart crashed!
cat: No match.
0.0u 0.0s 0:00.01 0.0% 0+0k 2096+48io 5pf+0w
error: command   /home/yw/Downloads/WIEN2K/dstartpara -c dstart.def   failed
 [1m n stop error n  (B [m


The struct file I used was as follows.

ZnO
H   LATTICE,NONEQUIV.ATOMS:  2 186_P63mc
MODE OF CALC=RELA unit=bohr
  6.140476  6.140476  9.833757 90.000000 90.000000120.000000
ATOM  -1: X=0.33333333 Y=0.66666667 Z=0.00000000
          MULT= 2          ISPLIT= 4
      -1: X=0.66666666 Y=0.33333333 Z=0.50000000
Zn         NPT=  781  R0=0.00005000 RMT=    1.9300   Z: 30.000
LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
                     0.0000000 1.0000000 0.0000000
                     0.0000000 0.0000000 1.0000000
ATOM  -2: X=0.33333333 Y=0.66666667 Z=0.38200000
          MULT= 2          ISPLIT= 4
      -2: X=0.66666666 Y=0.33333333 Z=0.88200000
O          NPT=  781  R0=0.00010000 RMT=    1.6600   Z:  8.000
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 1 0-0.00000001
-1 0 0 0.00000000
 0 0 1 0.00000000
       1
-1 1 0-0.00000001
 0 1 0-0.00000000
 0 0 1 0.00000000
       2
 0-1 0 0.00000000
-1 0 0 0.00000000
 0 0 1 0.00000000
       3
 0-1 0 0.00000000
 1-1 0 0.00000001
 0 0 1 0.00000000
       4
 1 0 0 0.00000000
 0 1 0 0.00000000
 0 0 1 0.00000000
       5
 1 0 0 0.00000000
 1-1 0 0.00000001
 0 0 1 0.00000000
       6
 0 1 0-0.00000001
-1 1 0-0.00000001
 0 0 1 0.50000000
       7
-1 0 0-0.00000001
-1 1 0-0.00000001
 0 0 1 0.50000000
       8
 0 1 0-0.00000001
 1 0 0-0.00000000
 0 0 1 0.50000000
       9
 1-1 0 0.00000000
 0-1 0 0.00000000
 0 0 1 0.50000000
      10
-1 0 0-0.00000001
 0-1 0 0.00000000
 0 0 1 0.50000000
      11
 1-1 0 0.00000000
 1 0 0 0.00000000
 0 0 1 0.50000000
      12


I have tried the calculation before the upgrade as well but at that
time this error did not occur.

Any help on why and how to solve this problem would be appreciated.
Thank you very much.

Yours Sincerely,

Yong Woo Kim
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