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[ÇóÖú] ÈçºÎÓÃVASP¼ÆËãµ¥¸öHeÔ­×ÓµÄÄÜÁ¿£¿ ÒÑÓÐ4È˲ÎÓë

±¾ÈËϵ³õѧÕߣ¬Ï£ÍûµÃµ½Ç°±²µÄÖ¸µã¡£¾­¹ýÁËÎÞÊý´ÎµÄ³¢ÊÔ£¬¶¼Ã»Óеõ½ºÏÊʵÄÖµ£¬ÏëÒ»Ï뻹Êǹؼü´ÊÉèÖõÄÎÊÌâ¡£ÏÖÔÚ°ÑÊäÈëÎļþÄÚÈÝÌùÈçÏ£º
INCAR:
SYSTEM = He

LWAVE=.FALSE.
LCHARG =.FALSE.

ISTART = 0
ICHARG = 2
IALGO = 48

LPLANE = .TRUE.
NPAR   = 16
LSCALU = .FALSE.
NSIM   = 4

PREC = ACCURATE
NELMDL=5

#ISPIN = 1
LREAL = Auto

ISMEAR = 0
SIGMA = 0.02
ENCUT = 650


POSCAR:
He
1.0
        10         0.0000000000         0.0000000000
        0          10                   0.0000000000
        0          0                    10
    He
    1
Direct
     0.000000000         0.000000000         0.000000000


KPOINTS:
AUTO GRID
0
M
21 21 21
0 0 0


POTCAR(ÌùÁ˲¿·Ö½øÈ¥):
PAW_PBE He 05Jan2001
2.00000000000000000
parameters from PSCTR are:
   VRHFIN =He: 1s
   LEXCH  = PE
   EATOM  =    78.7251 eV,    5.7861 Ry

   TITEL  = PAW_PBE He 05Jan2001
   LULTRA =        F    use ultrasoft PP ?
   IUNSCR =        0    unscreen: 0-lin 1-nonlin 2-no
   RPACOR =     .000    partial core radius
   POMASS =    4.000; ZVAL   =    2.000    mass and valenz
   RCORE  =    1.100    outmost cutoff radius
   RWIGS  =    1.200; RWIGS  =     .635    wigner-seitz radius (au A)
   ENMAX  =  478.896; ENMIN  =  359.172 eV
   RCLOC  =     .703    cutoff for local pot
   LCOR   =        T    correct aug charges
   LPAW   =        T    paw PP
   EAUG   = 1180.948
   RMAX   =    2.107    core radius for proj-oper
   RAUG   =    1.200    factor for augmentation sphere
   RDEP   =    1.110    radius for radial grids
   QCUT   =   -5.933; QGAM   =   11.866    optimization parameters

¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­¡­

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jmlv

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ISPIN=2£¬ÐèÒª×ÔÐý¼ÆËã¡£
4Â¥2014-03-11 23:12:16
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²é¿´È«²¿ 18 ¸ö»Ø´ð

lqcata

Í­³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
For single atom, gamma point is enough!
For the box, you can use 7*8*9 to break the symmetry.
For more detail information, you can refer to the manual of vasp.
https://www.vasp.at/vasp-workshop/slides/handsonI.pdf

Be carefull: Do not learn some bad habits when you start to learn how to do calculations!
ÓÃ֪ʶÓëÇÚÀͳɹ¦×Ô¼º
2Â¥2014-03-11 20:02:05
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lqcata

Í­³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

As to the He element, ENMAX  =  478.896 , you do not need so high cut off energy for ECUT=650,
By the way, SIGMA = 0.01 is good for moleculars
ÓÃ֪ʶÓëÇÚÀͳɹ¦×Ô¼º
3Â¥2014-03-11 20:29:26
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jmlv

½ð³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÒýÓûØÌû:
4Â¥: Originally posted by jmlv at 2014-03-11 23:12:16
ISPIN=2£¬ÐèÒª×ÔÐý¼ÆËã¡£

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