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callen123

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[求助] vasp计算graphite armchair和zigzag结构

VASP计算graphite的armchair和zigzag结构,均报错。设置磁矩mag,两个都按总磁矩0计算,edge H饱和原子磁矩依次1 -1。发现KPOINTS增大后有些依然报错,求大神该体系该注意哪些参数设置?磁矩需怎么设?多谢!!

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       N       E                     dE             d eps       ncg     rms          rms(c)
DAV:   1     0.505719062344E+04    0.50572E+04   -0.30513E+05  3864   0.117E+03
DAV:   2    -0.109795890700E+04   -0.61551E+04   -0.59244E+04  5204   0.302E+02
DAV:   3    -0.182568366407E+04   -0.72772E+03   -0.72154E+03  4472   0.106E+02
DAV:   4    -0.184935031459E+04   -0.23667E+02   -0.23579E+02  4808   0.221E+01
DAV:   5    -0.185020624592E+04   -0.85593E+00   -0.85517E+00  5120   0.353E+00    0.663E+01
DAV:   6    -0.174171315527E+04    0.10849E+03   -0.12224E+02  4088   0.141E+01    0.370E+01
DAV:   7    -0.171739633399E+04    0.24317E+02   -0.97649E+01  4272   0.120E+01    0.154E+01
DAV:   8    -0.172439729917E+04   -0.70010E+01   -0.10221E+01  4352   0.428E+00    0.766E+00
DAV:   9    -0.172741046938E+04   -0.30132E+01   -0.13202E+00  4448   0.164E+00    0.302E+00
DAV:  10    -0.172831409945E+04   -0.90363E+00   -0.33901E-01  4312   0.858E-01    0.106E+00
DAV:  11    -0.172861946147E+04   -0.30536E+00   -0.93359E-02  4320   0.393E-01    0.657E-01
DAV:  12    -0.172894155078E+04   -0.32209E+00   -0.10498E-01  4240   0.365E-01    0.412E-01
DAV:  13    -0.172912046885E+04   -0.17892E+00   -0.11948E-01  4344   0.343E-01    0.207E-01
DAV:  14    -0.172910360310E+04    0.16866E-01   -0.26184E-02  4128   0.182E-01    0.140E-01
DAV:  15    -0.172909826338E+04    0.53397E-02   -0.48748E-03  4184   0.960E-02    0.100E-01
DAV:  16    -0.172914038013E+04   -0.42117E-01   -0.33118E-03  3848   0.816E-02    0.929E-02
DAV:  17    -0.173619823868E+04   -0.70579E+01   -0.17034E+00  3824   0.153E-01BRMIX: very serious problems
the old and the new charge density differ
old charge density:   736.99422 new  738.06072
    0.790E-01
DAV:  18    -0.942593041159E+04   -0.76897E+04   -0.11873E+03  4736   0.113E+00BRMIX: very serious problems
the old and the new charge density differ
old charge density:   738.06072 new  742.99825
    0.130E+01
DAV:  19    -0.314142466587E+05   -0.21988E+05   -0.40985E+02  4504   0.255E+01BRMIX: very serious problems
the old and the new charge density differ
old charge density:   742.99825 new  739.56450
    0.179E+01
DAV:  20    -0.107095400637E+06   -0.75681E+05   -0.11268E+03  4048   0.307E+01BRMIX: very serious problems
the old and the new charge density differ
old charge density:   739.56450 new  744.79603
    0.215E+01
DAV:  21    -0.834099953708E+05    0.23685E+05   -0.16453E+03  4168   0.387E+01BRMIX: very serious problems
the old and the new charge density differ
old charge density:   744.79603 new  745.51206
    0.182E+01
DAV:  22    -0.233198520163E+05    0.60090E+05   -0.38574E+03  4280   0.502E+01BRMIX: very serious problems
the old and the new charge density differ
old charge density:   745.51206 new  735.41929
    0.289E+01
DAV:  23    -0.451488838854E+05   -0.21829E+05   -0.37736E+03  4236   0.968E+01BRMIX: very serious problems
the old and the new charge density differ
old charge density:   735.41929 new  718.23823
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