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lzlgcdc

金虫 (正式写手)

[求助] N2化学势计算 求助各位大侠

优化出现如下错误ZBRENT: can't locate minimum, use default step
trial-energy change:   -6.874255  1 .order   -6.777150   -4.457406   -9.096895
step:   3.2000(harm=  3.2000)  dis= 0.35181  next Energy=   -57.610793 (dE=-0.549E+02)
bond charge predicted
       N       E                     dE             d eps       ncg     rms          rms(c)
ERROR FEXCP: supplied Exchange-correletion table
    is too small, maximal index :        4443

INCAR如下
SYSTEM = N2
ISTART = 0
ICHARG = 2
ENCUT = 350
ISMEAR=0
SIGMA=0.1
ISIF=3
IBRION=2

前面算的时候我还加了 EDIFF=1E-6
EDIFFG=-0.01
结果就一直重复出现ZBRENT accuracy reach     


请教各位大侠  哪位算过N的化学势  能给我一个INCAR吗   我怎么老算的有问题 而且有的人算出的N的化学势都差很多    跪求啊  大侠快出现
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2楼2014-04-03 15:38:55
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