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lingch1990

ľ³æ (СÓÐÃûÆø)

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¶ÔÒ»¸ö²ã×´½á¹¹µÄÔ­°û½øÐÐÓÅ»¯£¬¼ÓÁË·¶µÂ»ªÐÞÕýÖ®ºó£¨LVDW=.TRUE.£©£¬¼ÆËã½á¹û¾Í³öÎÊÌâÁË£¬ÌåϵÄÜÁ¿ÎªÕýÖµ£¬×Ðϸ¼ì²éÁ˸÷¸ö»·½Ú£¬Ã»·¢ÏÖÔ­Òò£¬ÇóÖú´óÉñ£¡
ÕâÊÇINCAR
SYSTEM=aa
ISTART = 0
ICHARG = 2
ENCUT = 350
EDIFF = 1E-5
IBRION = 2
#IALGO = 48
#POTIM = 0.25
NSW = 500
LREAL= .FALSE.
EDIFFG = -2E-2
ISMEAR = 0
SIGMA = 0.1
PREC = Accurate
ISIF = 2
NPAR = 4
LVDW = .TRUE.
LCHARG = .FALSE.
LWAVE = .FALSE.
ÕâÊÇoutÎļþ
       N       E                     dE             d eps       ncg     rms          rms(c)
RMM:   1     0.120694905873E+03    0.12069E+03   -0.36576E+03  2460   0.691E+02
RMM:   2     0.559986339940E+02   -0.64696E+02   -0.61631E+02  2460   0.154E+02
RMM:   3     0.439712166147E+02   -0.12027E+02   -0.11463E+02  2460   0.597E+01
RMM:   4     0.390931902337E+02   -0.48780E+01   -0.40976E+01  2460   0.381E+01
RMM:   5     0.369737547884E+02   -0.21194E+01   -0.18232E+01  2460   0.244E+01
.
.
.
RMM:  56     0.760382798675E+02   -0.14809E-02   -0.50332E-03  5177   0.450E-01    0.165E-01
RMM:  57     0.760368953504E+02   -0.13845E-02   -0.49995E-03  5172   0.441E-01    0.169E-01
RMM:  58     0.760354517223E+02   -0.14436E-02   -0.48087E-03  5197   0.440E-01    0.171E-01
RMM:  59     0.760341433073E+02   -0.13084E-02   -0.47381E-03  5172   0.430E-01    0.174E-01
RMM:  60     0.760328257954E+02   -0.13175E-02   -0.45167E-03  5175   0.428E-01
   1 F= 0.75145626E+02 E0= 0.75151151E+02  d E =0.751456E+02
curvature:   0.00 expect dE= 0.000E+00 dE for cont linesearch  0.000E+00
trial: gam= 0.00000 g(F)=  0.348E+03 g(S)=  0.000E+00 ort = 0.000E+00 (trialstep = 0.100E+01)
search vector abs. value=  0.348E+03
bond charge predicted
       N       E                     dE             d eps       ncg     rms          rms(c)
RMM:   1    -0.605881548289E+02   -0.13662E+03   -0.21796E+02  6869   0.106E+02    0.283E+01
RMM:   2     0.109067495123E+02    0.71495E+02   -0.15808E+01  5334   0.306E+01    0.188E+01
.
.
.
RMM:  56     0.546842852482E+02   -0.23498E-04   -0.46851E-05  4265   0.428E-02    0.109E-01
RMM:  56     0.546842852482E+02   -0.23498E-04   -0.46851E-05  4265   0.428E-02    0.109E-01
RMM:  57     0.546842815707E+02   -0.36775E-05   -0.41106E-05  4209   0.398E-02
   2 F= 0.53810824E+02 E0= 0.53815411E+02  d E =-.213348E+02
trial-energy change:  -21.334802  1 .order  -99.407368 -347.647760  148.833023
step:   0.4655(harm=  0.7002)  dis= 1.34786  next Energy=     2.109306 (dE=-0.730E+02)
.
.
.
bond charge predicted
       N       E                     dE             d eps       ncg     rms          rms(c)
RMM:   1     0.528533676651E+02   -0.91010E-03   -0.67153E-04  4921   0.250E-01    0.442E-02
RMM:   2     0.528535264401E+02    0.15877E-03   -0.67866E-05  4758   0.714E-02    0.298E-02
RMM:   3     0.528537676079E+02    0.24117E-03   -0.36750E-05  4007   0.507E-02    0.968E-03
RMM:   4     0.528537805196E+02    0.12912E-04   -0.17478E-05  2934   0.311E-02    0.204E-03
RMM:   5     0.528537780874E+02   -0.24322E-05   -0.12223E-05  2849   0.252E-02
   7 F= 0.51998445E+02 E0= 0.52002399E+02  d E =-.231472E+02
curvature:  -0.06 expect dE=-0.131E-05 dE for cont linesearch -0.151E-06
trial: gam= 0.00008 g(F)=  0.212E-04 g(S)=  0.000E+00 ort =-0.292E-01 (trialstep = 0.826E+00)
search vector abs. value=  0.188E-04
reached required accuracy - stopping structural energy minimisation
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lingch1990

ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by HCH_Deven at 2014-07-01 10:13:14
¿¼ÂÇDFT-D2 VDWµÄ¼ÆË㣬³ýÁËLVDW = .TRUE.£¬»¹Òª¼ÓÈëÒÔϱêÇ©

VDW_RADIUS   = 30
VDW_SCALING  = 0.75
VDW_D    =   20.0
VDW_C6   =   ¿É²ÉÓÃĬÈÏÖµ
VDW_R0   =   ¿É²ÉÓÃĬÈÏÖµ

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http:// ...

ºÃÏñÖ»ÒªLVDW = .TRUE.£¬¾Í¿ÉÒÔÁË£¬ÆäËû²ÎÊý¶¼ÊÇ¿ÉÒÔ²»ÉèÖõÄ
4Â¥2014-07-01 11:08:41
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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HCH_Deven

Ìú¸Ëľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
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lingch1990: ½ð±Ò+5, ¡ïÓаïÖú 2014-07-01 11:08:00
¿¼ÂÇDFT-D2 VDWµÄ¼ÆË㣬³ýÁËLVDW = .TRUE.£¬»¹Òª¼ÓÈëÒÔϱêÇ©

VDW_RADIUS   = 30
VDW_SCALING  = 0.75
VDW_D    =   20.0
VDW_C6   =   ¿É²ÉÓÃĬÈÏÖµ
VDW_R0   =   ¿É²ÉÓÃĬÈÏÖµ

¿É²Î¿¼ÒÔÏÂÁ´½Ó
http://cms.mpi.univie.ac.at/vasp/vasp/DFT_D2_method_Grimme.html
½Å̤ʵµØ£¬ÎÈÖÐÇó½ø
3Â¥2014-07-01 10:13:14
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ǰÌïÇì´Î

ľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
http://cms.mpi.univie.ac.at/vasp/vasp/DFT_D2_method_Grimme.html
ÎÒÒ²¸Ð¾õÄãºÃÏñÊÇÉÙÉèÖÃÁ˲»ÉÙ²ÎÊý£¬Äã¿´¿´ÉÏÃæµÄÕâ¸ö¹Ù·½ËµÃ÷
³¤Ç¹Ò»ºá»¨Æ®Á㣬ËÉ·ç×·Ô°éÎÒÐС£ÎÞË«È˼äÊÀÈçÃΣ¬ÇãÆæÍòÊÀÓÀÁôÃû¡£
5Â¥2014-07-01 12:29:20
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lingch1990

ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by ǰÌïÇì´Î at 2014-07-01 12:29:20
http://cms.mpi.univie.ac.at/vasp/vasp/DFT_D2_method_Grimme.html
ÎÒÒ²¸Ð¾õÄãºÃÏñÊÇÉÙÉèÖÃÁ˲»ÉÙ²ÎÊý£¬Äã¿´¿´ÉÏÃæµÄÕâ¸ö¹Ù·½ËµÃ÷

The DFT-D2 method can be activated by setting LVDW=.TRUE. Optionally, the forcefield parameters can be controlled using the following flags (the default values are listed)
ÆäËû²ÎÊý¿ÉÒÔ²»Éè°É£¬ÓÃĬÈÏÖµ¾ÍÐÐÁË
6Â¥2014-07-01 12:50:23
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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