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The value of "NormRD" in the calculation is "non"
Date: 2023/02/23 02:17
Name: Xinliang Huang   <xilhuang@foxmail.com>

Hello! When I perform geometry optimization calculation, when I reach "MD=6", the value of "NormRD" will always be "non". What is the reason?



Main inputs:

#
# SCF or Electronic System
#

scf.XcType                GGA-PBE    # LDA|LSDA-CA|LSDA-PW|GGA-PBE
scf.SpinPolarization        off        # On|Off|NC
scf.SpinOrbit.Coupling      off        # On|Off, default=off
scf.ElectronicTemperature  300.0      # default=300 (K)
scf.energycutoff          150.0      # default=150 (Ry)
scf.maxIter                900        # default=40
scf.EigenvalueSolver      band        # DC|GDC|Cluster|Band
scf.Kgrid                  7 7 1      # means n1 x n2 x n3
scf.Mixing.Type          rmm-diisk    # Simple|Rmm-Diis|Gr-Pulay|Kerker|Rmm-Diisk|Rmm-Diisv|Rmm-Diish
scf.Init.Mixing.Weight    0.01        # default=0.30
scf.Min.Mixing.Weight      0.01        # default=0.001
scf.Max.Mixing.Weight      0.10        # default=0.40
scf.Mixing.History        50          # default=5
scf.Mixing.StartPulay      20          # default=6
scf.Mixing.EveryPulay      1          # default=1
scf.criterion            1.0e-10      # default=1.0e-6 (Hartree)

#scf.restart                on

#
# MD or Geometry Optimization
#

MD.Type                    RFC5        # Nomd|OptC1|OptC2|OptC3|OptC4|OptC5|OptC6|OptC7|RFC5|RFC6|RFC7
MD.Opt.DIIS.History          3        # default=3
MD.Opt.StartDIIS              5        # default=5
MD.Opt.EveryDIIS            200        # default=200
MD.maxIter                  300        # default=1
MD.Opt.criterion        1.0e-4        # default=0.0003 (Hartree/Bohr)


result:

<DFT>  NormRD =    0.000730547117  Criterion =  0.000001000000
<DFT>  NormRD =    0.001176038291  Criterion =  0.000001000000
<DFT>  NormRD =    0.000749585239  Criterion =  0.000001000000
<DFT>  NormRD =    0.000974056520  Criterion =  0.000001000000
<DFT>  NormRD =    0.000728530359  Criterion =  0.000001000000
<DFT>  NormRD =    0.000669197729  Criterion =  0.000001000000
<DFT>  NormRD =    0.000583125947  Criterion =  0.000001000000
<DFT>  NormRD =    0.000411889114  Criterion =  0.000001000000
<DFT>  NormRD =    0.000349863506  Criterion =  0.000001000000
<DFT>  NormRD =    0.000265275194  Criterion =  0.000001000000
<DFT>  NormRD =    0.000223033432  Criterion =  0.000001000000
<DFT>  NormRD =    0.000172132640  Criterion =  0.000001000000
<DFT>  NormRD =    0.000119369700  Criterion =  0.000001000000
<DFT>  NormRD =    0.000083140119  Criterion =  0.000001000000
<DFT>  NormRD =    0.000015523398  Criterion =  0.000001000000
<DFT>  NormRD =    0.000007680040  Criterion =  0.000001000000
<DFT>  NormRD =    0.000001600031  Criterion =  0.000001000000
<DFT>  NormRD =    0.000000620042  Criterion =  0.000001000000
<DFT>  NormRD =    1.000000000000  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
<DFT>  NormRD =              nan  Criterion =  0.000001000000
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Re: The value of ( No.1 )
Date: 2023/04/12 09:22
Name: T. Ozaki

Hi,

The issue seems to be a very specfic problem, i.e., system, initial structure, computer environment,
and the number of MPI processes you used. If you still have the issue, could you share your input file?

Regards,

TO
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