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[交流] 【求助】高精度优化后,计算能带时提示有问题

这是我的INCAR
SYSTEM = doped
Startparameter for this run
PREC =  high # medium, high low
ISTART = 0 # job : 0-new 1-cont 2-samecut
ICHARG = 11 # charge: 1-file 2-atom 10-const
EDIFF = 0.1E-04 # stopping-criterion for ELM
NSW = 0 # number of steps for IOM
IBRION = 2 # ionic relax: 0-MD 1-quasi-New 2-CG
ISIF = 3 # stress and relaxation
LREAL = Auto
优化时ICHARG = 2,改为11 计算能带时提示
running on    4 nodes
distr:  one band on    1 nodes,    4 groups
vasp.5.2.8 07Jul10 complex
POSCAR found type information on POSCAR  C  N
POSCAR found :  2 types and   50 ions
WARNING: for PREC=h ENMAX is automatically increase by 25 %
        this was not the case for versions prior to vasp.4.4
WARNING: for PREC=h ENMAX is automatically increase by 25 %
        this was not the case for versions prior to vasp.4.4
LDA part: xc-table for Pade appr. of Perdew
WARNING: stress and forces are not correct
POSCAR, INCAR and KPOINTS ok, starting setup
FFT: planning ...(           1 )
reading WAVECAR
ERROR: charge density could not be read from file CHGCAR for ICHARG>10
ERROR: charge density could not be read from file CHGCAR for ICHARG>10
WARNING: dimensions on CHGCAR file are different
ERROR: charge density could not be read from file CHGCAR for ICHARG>10
ERROR: charge density could not be read from file CHGCAR for ICHARG>10
就停止计算了
问题的出现好像是由于能带计算时把ENMAX增大,然后导致与前面优化是的ENMAX不一样就会提示的,那我是不是应该在优化时选用大一点的ENMAX就可以了?那ENMAX要多大呢?
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