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本帖最后由 snowislands 于 2021-11-8 15:46 编辑
请问大家用DFTB+做单胞优化时出现Error:Processor grid (6 x 8) too big (> 5 x 5)是什么原因啊?
输入文件是这样的:
Geometry = GenFormat {
96 F
C N O H
1 1 0.863200061 0.042700002 0.394200016
2 1 0.136800002 0.957300038 0.605800082
3 1 0.136799989 0.042700002 0.105800007
4 1 0.863200013 0.957300038 0.894199961
5 1 0.363199960 0.542700011 0.394200016
6 1 0.636800002 0.457299989 0.605800082
7 1 0.636800014 0.542700011 0.105800007
...
0.0000000000 0.0000000000 0.0000000000
14.1990003586 0.0000000000 0.0000000000
0.0000000000 4.8439998627 0.0000000000
-3.9252539048 0.0000000000 13.7070403969
}
Driver = ConjugateGradient {
MovedAtoms = 1:-1
MaxForceComponent = 1E-5
MaxSteps = 5000
AppendGeometries = Yes
LatticeOpt = Yes
OutputPrefix = "1a_JOWWIB_3ob31_opt.out"
}
Hamiltonian = DFTB {
SCC = Yes
SCCTolerance = 1.0E-08
MaxSCCIterations = 1000
SlaterKosterFiles = Type2FileNames {
Prefix = "/DFTB+/scc/"
Separator = "-"
Suffix = ".spl"
}
MaxAngularMomentum = {
N = "p"
O = "p"
C = "p"
H = "s"
}
KPointsAndWeights = SupercellFolding {
1 0 0
0 1 0
0 0 1
0.0 0.0 0.0
}
Dispersion = LennardJones {
Parameters = UFFParameters {}
}
}
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