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horson

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] VASPʶ±ð¶Ô³ÆÐÔµÄÄÜÁ¦ÈçºÎ£¿

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Îұ༭ÁËÒ»¸ö·½½âʯµÄPOSCARÎļþ£¬´ÓOUTCARÎļþÀ´¿´VASPÁ¬µãȺ¶¼Ã»ÓÐʶ±ð¶Ô¡£²»ÖªÊDz»ÊÇÎÒµÄÀí½âÓÐÎÊÌ⣬Çë´ó»ï°ïÎÒ¿´¿´£º

POSCARÎļþ£¨¸½¼þÖÐÓÐÔ´Îļþ£©£º
Ca  C  O (Hexagonal Calcite)
1.0
     4.3211203770054700   -2.4948000771893200    0.0000000000000000
     0.0000000000000000    4.9896000000000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000   17.0610000000000000
   6   6  18
Direct
0           0           0
0.6667      0.3333      0.3333
0.3333      0.6667      0.6667
0           0           0.5
0.6667      0.3333      0.8333
0.3333      0.6667      0.1667
0           0           0.25
0.6667      0.3333      0.5833
0.3333      0.6667      0.9167
0           0           0.75
0.6667      0.3333      0.0833
0.3333      0.6667      0.4167
0.2768      0           0.25
0           0.2768      0.25
0.7232      0.7232      0.25
0.6667      0.6101      0.5833
0.0565      0.3898      0.9167
0.3899      0.0565      0.5833
0.6101      0.6667      0.9167
0.9435      0.3333      0.5833
0.3333      0.9435      0.9167
0.2768      0.2768      0.75
0           0.7232      0.75
0.7232      0           0.75
0.6667      0.0565      0.0833
0.0565      0.6667      0.4167
0.3899      0.3333      0.0833
0.6101      0.9435      0.4167
0.9435      0.6101      0.0833
0.3333      0.3899      0.4167

OUTCARµÄÏà¹ØÊä³ö£º
  LATTYP: Found a hexagonal cell.
ALAT       =     4.9895999807
C/A-ratio  =     3.4193121825

  Lattice vectors:

A1 = (   4.3211203770,  -2.4948000772,   0.0000000000)
A2 = (   0.0000000000,   4.9896000000,   0.0000000000)
A3 = (   0.0000000000,   0.0000000000,  17.0610000000)
Subroutine PRICEL returns:
Original cell was already a primitive cell.


Analysis of symmetry for initial positions (statically):

Routine SETGRP: Setting up the symmetry group for a
hexagonal supercell.


Subroutine GETGRP returns: Found  1 space group operations
(whereof  1 operations were pure point group operations)
out of a pool of 24 trial point group operations.


The static configuration has the point symmetry C_1 .

Analysis of symmetry for dynamics (positions and initial velocities):

Subroutine DYNSYM returns: Found  1 space group operations
(whereof  1 operations were pure point group operations)
out of a pool of  1 trial space group operations
(whereof  1 operations were pure point group operations)
and found also     1 'primitive' translations


The dynamic configuration has the point symmetry C_1 .
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  • ¸½¼þ 1 : POSCAR
  • 2012-10-09 21:55:09, 1.14 K

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fzx2008

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horson: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2012-10-10 10:14:23
sunyang1988: ½ð±Ò+1, лл°ïÖú 2012-10-11 21:17:04
"VASP includes a full featured symmetry code which determines the symmetry of arbitrary configurations automatically."
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VASPÖÐʵ¼ÊÉÏÊÇÓÉSYMPRECÕâ¸ö²ÎÊýÀ´¿ØÖƵģ¬Ä¬ÈÏÖµ10^−5¡£½¨ÒéÔĶÁÊֲᡰ6.27 ISYM-tag and SYMPREC-tag¡±
2Â¥2012-10-09 22:18:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

horson

½ð³æ (СÓÐÃûÆø)

ËÍÏÊ»¨Ò»¶ä
лл£¡POSCARÎļþÐÞ¸ÄΪÈçÏ£¬ÈÔȻʶ±ðΪC_1£¬²»ÖªÎªºÎ£¿
Ca  C  O (Hexagonal Calcite)
1.0
     4.3211203770054700   -2.4948000771893200    0.0000000000000000
     0.0000000000000000    4.9896000000000000    0.0000000000000000
     0.0000000000000000    0.0000000000000000   17.0610000000000000
   6   6  18
Direct
0             0             0
0.666667      0.333333      0.333333
0.333333      0.666667      0.666667
0             0             0.5
0.666667      0.333333      0.833333
0.333333      0.666667      0.166667
0             0             0.25
0.666667      0.333333      0.583333
0.333333      0.666667      0.916667
0             0               0.75
0.666667      0.333333      0.083333
0.333333      0.666667      0.416667
0.2768        0             0.25
0             0.2768        0.25
0.7232        0.7232        0.25
0.666667      0.6101        0.583333
0.0565        0.3898        0.916667
0.3899        0.0565        0.583333
0.6101        0.666667      0.916667
0.9435        0.333333      0.583333
0.333333      0.9435        0.916667
0.2768        0.2768        0.75
0             0.7232        0.75
0.7232        0             0.75
0.666667      0.0565        0.083333
0.0565        0.666667      0.416667
0.3899        0.333333      0.083333
0.6101        0.9435        0.416667
0.9435        0.6101        0.083333
0.333333      0.3899        0.416667
3Â¥2012-10-09 22:59:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hedaors

½û³æ (ÕýʽдÊÖ)

ÒþÇåÌÃÖ÷

¡ï
sunyang1988: ½ð±Ò+1, ллÌáʾ 2012-10-11 21:16:52
ÄãÐÞ¸ÄһϠSYMPREC = 0.001 »òÕß 0.1 ÊÔÊÔ
4Â¥2012-10-10 16:40:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

horson

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by hedaors at 2012-10-10 16:40:04
ÄãÐÞ¸ÄһϠSYMPREC = 0.001 »òÕß 0.1 ÊÔÊÔ

Êǵģ¬ÎÒÊÔ¹ýSYMPREC=0.001£¬¿ÉÒÔʶ±ð³öD_2h£¬µ«¸Ð¾õ¾«¶È²»¹»£¬±£³Ö¶Ô³ÆÐÔ£¨ISYM=2£©×ö½á¹¹ÓÅ»¯ºólattice parameterÂÔ΢ƫÀëÁËÁù·½¡£
5Â¥2012-10-11 10:30:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

õÚÆð½Å¼â111

Ìú³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
5Â¥: Originally posted by horson at 2012-10-11 10:30:00
Êǵģ¬ÎÒÊÔ¹ýSYMPREC=0.001£¬¿ÉÒÔʶ±ð³öD_2h£¬µ«¸Ð¾õ¾«¶È²»¹»£¬±£³Ö¶Ô³ÆÐÔ£¨ISYM=2£©×ö½á¹¹ÓÅ»¯ºólattice parameterÂÔ΢ƫÀëÁËÁù·½¡£...

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