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Vasp&MedeA
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【求助】计算单个Fe原子,无法收敛,请教
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marklau
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专业: 凝聚态物性 II :电子结构
[交流]
【求助】计算单个Fe原子,无法收敛,请教
已有12人参与
新学,看了手册上的关于单原子能量计算的地方,就找了几个原子算算。
用Pd,C都能很好收敛,但Fe就是不行,请教怎么弄才行呢?
计算设置:
赝势都用的PAW-GGA
INCAR: 手册上的一点都没有改
CODE:
ISYM = 0
ISPIN = 2
VOSKOWN = 1
ISMEAR = 0
SIGMA = 0.1
AMIX = 0.2
BMIX = 0.0001
NELM = 20
ICHARG = 1
KPOINTS
CODE:
Monkhorst PAck
0
Monkhorst Pack
1 1 1
0 0 0
POSCAR: C 用8 Fe 也用8 Pd 用10
CODE:
atom
1
8.0 0.0 0.0
0.0 8.0 0.0
0.0 0.0 8.0
cart
0.0 0.0 0.0
C的计算结果:
CODE:
vasp.4.6.28 25Jul05 complex
POSCAR found : 1 types and 1 ions
LDA part: xc-table for Ceperly-Alder, standard interpolation
POSCAR, INCAR and KPOINTS ok, starting setup
WARNING: wrap around errors must be expected
FFT: planning ... 1
reading WAVECAR
entering main loop
N E dE d eps ncg rms rms(c)
DAV: 1 0.100381037641E+02 0.10038E+02 -0.79036E+02 12 0.256E+02
DAV: 2 0.126096636712E+01 -0.87771E+01 -0.87771E+01 24 0.203E+01
DAV: 3 -0.575116297636E-01 -0.13185E+01 -0.12479E+01 18 0.168E+01
DAV: 4 -0.149852958512E+00 -0.92341E-01 -0.73476E-01 12 0.288E+00
DAV: 5 -0.152634806381E+00 -0.27818E-02 -0.27706E-02 18 0.624E-01 0.652E-02
DAV: 6 -0.152161921161E+00 0.47289E-03 -0.44607E-04 12 0.184E-01 0.378E-02
DAV: 7 -0.152101278865E+00 0.60642E-04 -0.11383E-04 12 0.129E-01
1 F= -.15210128E+00 E0= -.10232008E+00 d E =-.149344E+00
writing wavefunctions
Fe的计算结果:
CODE:
vasp.4.6.28 25Jul05 complex
POSCAR found : 1 types and 1 ions
LDA part: xc-table for Ceperly-Alder, standard interpolation
POSCAR, INCAR and KPOINTS ok, starting setup
WARNING: wrap around errors must be expected
FFT: planning ... 1
reading WAVECAR
entering main loop
N E dE d eps ncg rms rms(c)
DAV: 1 0.230243849226E+02 0.23024E+02 -0.11100E+03 16 0.315E+02
DAV: 2 0.430828794596E+00 -0.22594E+02 -0.22612E+02 32 0.609E+01
DAV: 3 -0.688701305186E+00 -0.11195E+01 -0.89686E+00 16 0.158E+01
DAV: 4 -0.802889341277E+00 -0.11419E+00 -0.86993E-01 24 0.698E+00
DAV: 5 -0.804345096997E+00 -0.14558E-02 -0.14526E-02 16 0.517E-01 0.635E+00
DAV: 6 -0.409616975908E+01 -0.32918E+01 -0.29338E+01 32 0.374E+01 0.135E+01
DAV: 7 -0.740117134359E+00 0.33561E+01 -0.46177E+00 16 0.292E+01 0.908E+00
DAV: 8 -0.652382166324E+00 0.87735E-01 -0.66724E+00 24 0.116E+01 0.625E+00
DAV: 9 -0.567736501516E+00 0.84646E-01 -0.10096E-01 16 0.137E+00 0.638E+00
DAV: 10 -0.475271277207E+00 0.92465E-01 -0.35441E-01 16 0.235E+00 0.568E+00
DAV: 11 -0.427238039158E+00 0.48033E-01 -0.20409E+00 16 0.297E+00 0.354E+00
DAV: 12 -0.573242811738E+00 -0.14600E+00 -0.33645E+00 16 0.338E+00 0.667E+00
DAV: 13 -0.581861511128E+00 -0.86187E-02 -0.86676E+00 16 0.516E+00 0.535E+00
DAV: 14 -0.811900353632E+00 -0.23004E+00 -0.73093E+00 16 0.552E+00 0.749E+00
DAV: 15 -0.974625231316E+00 -0.16272E+00 -0.16806E+01 16 0.549E+00 0.738E+00
DAV: 16 -0.915465786785E+00 0.59159E-01 -0.10641E+01 16 0.613E+00 0.723E+00
DAV: 17 -0.911197857256E+00 0.42679E-02 -0.16244E+01 16 0.568E+00 0.610E+00
DAV: 18 -0.844729299645E+00 0.66469E-01 -0.85582E+00 16 0.592E+00 0.694E+00
DAV: 19 -0.784040923533E+00 0.60688E-01 -0.13437E+01 16 0.541E+00 0.552E+00
DAV: 20 -0.758741612250E+00 0.25299E-01 -0.61771E+00 16 0.561E+00 0.664E+00
DAV: 21 -0.748458287164E+00 0.10283E-01 -0.12732E+01 16 0.520E+00 0.554E+00
DAV: 22 -0.774337121701E+00 -0.25879E-01 -0.65242E+00 16 0.566E+00 0.667E+00
DAV: 23 -0.814292862819E+00 -0.39956E-01 -0.14168E+01 16 0.525E+00 0.583E+00
DAV: 24 -0.818383056273E+00 -0.40902E-02 -0.77047E+00 16 0.582E+00 0.684E+00
DAV: 25 -0.855046073298E+00 -0.36663E-01 -0.14954E+01 16 0.540E+00 0.595E+00
DAV: 26 -0.827299653904E+00 0.27746E-01 -0.79869E+00 16 0.586E+00 0.683E+00
DAV: 27 -0.845403316473E+00 -0.18104E-01 -0.14740E+01 16 0.543E+00 0.584E+00
DAV: 28 -0.814167268451E+00 0.31236E-01 -0.76097E+00 16 0.582E+00 0.677E+00
DAV: 29 -0.831445991281E+00 -0.17279E-01 -0.14426E+01 16 0.539E+00 0.578E+00
DAV: 30 -0.806626560545E+00 0.24819E-01 -0.73934E+00 16 0.580E+00 0.674E+00
DAV: 31 -0.833127894980E+00 -0.26501E-01 -0.14441E+01 16 0.537E+00 0.582E+00
DAV: 32 -0.809186965030E+00 0.23941E-01 -0.74732E+00 16 0.581E+00 0.675E+00
DAV: 33 -0.841207002500E+00 -0.32020E-01 -0.14587E+01 16 0.538E+00 0.586E+00
DAV: 34 -0.812300294878E+00 0.28907E-01 -0.75757E+00 16 0.583E+00 0.676E+00
DAV: 35 -0.844501077548E+00 -0.32201E-01 -0.14635E+01 16 0.540E+00 0.586E+00
DAV: 36 -0.811633691714E+00 0.32867E-01 -0.75676E+00 16 0.583E+00 0.675E+00
DAV: 37 -0.843754872755E+00 -0.32121E-01 -0.14601E+01 16 0.540E+00 0.586E+00
DAV: 38 -0.809561258453E+00 0.34194E-01 -0.75176E+00 16 0.583E+00 0.674E+00
DAV: 39 -0.843400156208E+00 -0.33839E-01 -0.14577E+01 16 0.540E+00 0.586E+00
DAV: 40 -0.808495376940E+00 0.34905E-01 -0.74986E+00 16 0.583E+00 0.673E+00
DAV: 41 -0.844593949703E+00 -0.36099E-01 -0.14587E+01 16 0.540E+00 0.587E+00
DAV: 42 -0.808271591148E+00 0.36322E-01 -0.75059E+00 16 0.583E+00 0.673E+00
DAV: 43 -0.846001177321E+00 -0.37730E-01 -0.14601E+01 16 0.541E+00 0.588E+00
DAV: 44 -0.807929499882E+00 0.38072E-01 -0.75102E+00 16 0.583E+00 0.673E+00
DAV: 45 -0.846813631700E+00 -0.38884E-01 -0.14604E+01 16 0.541E+00 0.588E+00
DAV: 46 -0.807243572952E+00 0.39570E-01 -0.75043E+00 16 0.583E+00 0.672E+00
DAV: 47 -0.847297262534E+00 -0.40054E-01 -0.14601E+01 16 0.541E+00 0.589E+00
DAV: 48 -0.806507994835E+00 0.40789E-01 -0.74972E+00 16 0.584E+00 0.672E+00
DAV: 49 -0.847843379039E+00 -0.41335E-01 -0.14600E+01 16 0.542E+00 0.589E+00
DAV: 50 -0.805896505900E+00 0.41947E-01 -0.74940E+00 16 0.584E+00 0.671E+00
DAV: 51 -0.848938057707E+00 -0.43042E-01 -0.14607E+01 16 0.541E+00 0.589E+00
DAV: 52 -0.805401982771E+00 0.43536E-01 -0.74793E+00 16 0.583E+00 0.670E+00
DAV: 53 -0.846814008885E+00 -0.41412E-01 -0.14559E+01 16 0.542E+00 0.589E+00
DAV: 54 -0.804441488733E+00 0.42373E-01 -0.74536E+00 16 0.583E+00 0.670E+00
DAV: 55 -0.847741306154E+00 -0.43300E-01 -0.14574E+01 16 0.542E+00 0.589E+00
DAV: 56 -0.804995110492E+00 0.42746E-01 -0.74829E+00 16 0.584E+00 0.670E+00
DAV: 57 -0.848624031592E+00 -0.43629E-01 -0.14592E+01 16 0.543E+00 0.590E+00
DAV: 58 -0.806145226421E+00 0.42479E-01 -0.75222E+00 16 0.584E+00 0.671E+00
DAV: 59 -0.850438298920E+00 -0.44293E-01 -0.14625E+01 16 0.544E+00 0.591E+00
DAV: 60 -0.806757200440E+00 0.43681E-01 -0.75430E+00 16 0.584E+00
1 F= -.80675720E+00 E0= -.79179809E+00 d E =-.448773E-01
writing wavefunctions
Pd的计算结果:
CODE:
vasp.4.6.28 25Jul05 complex
POSCAR found : 1 types and 1 ions
LDA part: xc-table for Ceperly-Alder, standard interpolation
POSCAR, INCAR and KPOINTS ok, starting setup
WARNING: wrap around errors must be expected
FFT: planning ... 1
reading WAVECAR
entering main loop
N E dE d eps ncg rms rms(c)
DAV: 1 0.628549838390E+02 0.62855E+02 -0.12860E+03 18 0.337E+02
DAV: 2 0.170291659933E+02 -0.45826E+02 -0.45379E+02 34 0.365E+01
DAV: 3 -0.104839770083E+01 -0.18078E+02 -0.18048E+02 35 0.621E+01
DAV: 4 -0.227506623423E+01 -0.12267E+01 -0.12727E+01 18 0.219E+01
DAV: 5 -0.229607774769E+01 -0.21012E-01 -0.20918E-01 20 0.188E+00 0.466E+00
DAV: 6 -0.148948556717E+01 0.80659E+00 -0.39923E+00 18 0.210E+01 0.104E+00
DAV: 7 -0.145823769572E+01 0.31248E-01 -0.21584E-01 18 0.218E+00 0.609E-01
DAV: 8 -0.143330551272E+01 0.24932E-01 -0.22237E-02 18 0.143E+00 0.754E-02
DAV: 9 -0.143328837479E+01 0.17138E-04 -0.95896E-04 27 0.247E-01
1 F= -.14332884E+01 E0= -.14528045E+01 d E =0.585485E-01
writing wavefunctions
请懂得其中缘由的给小弟讲解一下,我实在是迷糊啊。
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TA的回帖
marklau
银虫
(小有名气)
应助: 0
(幼儿园)
金币: 247.8
散金: 10
帖子: 122
在线: 37.4小时
虫号: 619105
注册: 2008-10-07
性别: GG
专业: 凝聚态物性 II :电子结构
引用回帖:
Originally posted by
hlshi
at 2010-05-05 15:48:58:
加上一个参数LMAXMIX=4 试一下
我将ISMEAR 换成1,就可以收敛了。谢谢大虾~~
CODE:
vasp.4.6.28 25Jul05 complex
POSCAR found : 1 types and 1 ions
LDA part: xc-table for Ceperly-Alder, Vosko type interpolation para-ferro
POSCAR, INCAR and KPOINTS ok, starting setup
WARNING: wrap around errors must be expected
FFT: planning ... 1
reading WAVECAR
WARNING: chargedensity file is incomplete
entering main loop
N E dE d eps ncg rms rms(c)
DAV: 1 0.228579425515E+02 0.22858E+02 -0.94363E+02 36 0.253E+02
DAV: 2 0.323294218380E+00 -0.22535E+02 -0.21933E+02 70 0.479E+01
DAV: 3 -0.177611603020E+01 -0.20994E+01 -0.13943E+01 38 0.172E+01
DAV: 4 -0.184327818011E+01 -0.67162E-01 -0.61485E-01 38 0.646E+00
DAV: 5 -0.184732976998E+01 -0.40516E-02 -0.37287E-02 44 0.807E-01 0.209E+01
DAV: 6 -0.302844171571E+01 -0.11811E+01 -0.67150E+00 36 0.219E+01 0.459E+00
DAV: 7 -0.324208515997E+01 -0.21364E+00 -0.44398E+00 36 0.115E+01 0.730E+00
DAV: 8 -0.317459475747E+01 0.67490E-01 -0.38011E-01 36 0.614E+00 0.497E+00
DAV: 9 -0.322182782026E+01 -0.47233E-01 -0.15701E+00 36 0.602E+00 0.748E+00
DAV: 10 -0.260313193399E+01 0.61870E+00 -0.39587E-02 36 0.208E+00 0.563E+00
DAV: 11 -0.272945384789E+01 -0.12632E+00 -0.10652E+00 36 0.586E+00 0.509E+00
DAV: 12 -0.315110478641E+01 -0.42165E+00 -0.27704E-01 36 0.293E+00 0.192E+00
DAV: 13 -0.320200415799E+01 -0.50899E-01 -0.61462E-02 36 0.209E+00 0.100E+00
DAV: 14 -0.323922376333E+01 -0.37220E-01 -0.13802E-02 36 0.813E-01 0.217E+00
DAV: 15 -0.321361156158E+01 0.25612E-01 -0.47182E-02 36 0.117E+00 0.410E+00
DAV: 16 -0.319325145724E+01 0.20360E-01 -0.26023E-01 36 0.186E+00 0.261E+00
DAV: 17 -0.326741792662E+01 -0.74166E-01 -0.93128E-02 36 0.107E+00 0.624E-01
DAV: 18 -0.325784243572E+01 0.95755E-02 -0.66986E-03 36 0.754E-01 0.178E+00
DAV: 19 -0.323449325840E+01 0.23349E-01 -0.25929E-03 36 0.485E-01 0.250E+00
DAV: 20 -0.320865773067E+01 0.25836E-01 -0.83411E-04 36 0.201E-01 0.248E+00
DAV: 21 -0.320828740813E+01 0.37032E-03 -0.30582E-04 45 0.891E-02 0.238E+00
DAV: 22 -0.320919420029E+01 -0.90679E-03 -0.16676E-05 27 0.345E-02 0.235E+00
DAV: 23 -0.321027147707E+01 -0.10773E-02 -0.24401E-05 29 0.382E-02 0.239E+00
DAV: 24 -0.320667821151E+01 0.35933E-02 -0.38039E-03 36 0.731E-01 0.898E-01
DAV: 25 -0.324283163783E+01 -0.36153E-01 -0.25141E-03 36 0.335E-01 0.775E-01
DAV: 26 -0.325147233929E+01 -0.86407E-02 -0.34432E-04 36 0.122E-01 0.759E-01
DAV: 27 -0.326560502424E+01 -0.14133E-01 -0.67164E-03 38 0.618E-01 0.219E+00
DAV: 28 -0.323477424056E+01 0.30831E-01 -0.18790E-03 36 0.308E-01 0.226E+00
DAV: 29 -0.323448768723E+01 0.28655E-03 -0.40494E-03 36 0.431E-01 0.328E+00
DAV: 30 -0.321090439600E+01 0.23583E-01 -0.18260E-03 36 0.261E-01 0.317E+00
DAV: 31 -0.320958193682E+01 0.13225E-02 -0.48577E-05 26 0.541E-02 0.310E+00
DAV: 32 -0.321086879179E+01 -0.12869E-02 -0.12477E-05 18 0.186E-02 0.312E+00
DAV: 33 -0.321632280987E+01 -0.54540E-02 -0.49685E-04 35 0.213E-01 0.366E+00
DAV: 34 -0.320690152758E+01 0.94213E-02 -0.36791E-03 36 0.311E-01 0.354E+00
DAV: 35 -0.321346015566E+01 -0.65586E-02 -0.11672E-02 52 0.414E-01 0.365E+00
DAV: 36 -0.320802785997E+01 0.54323E-02 -0.51965E-04 36 0.140E-01 0.352E+00
DAV: 37 -0.321491374965E+01 -0.68859E-02 -0.41715E-03 36 0.302E-01 0.359E+00
DAV: 38 -0.321360563769E+01 0.13081E-02 -0.32780E-03 52 0.225E-01 0.336E+00
DAV: 39 -0.321430774096E+01 -0.70210E-03 -0.37629E-03 36 0.304E-01 0.285E+00
DAV: 40 -0.322043138211E+01 -0.61236E-02 -0.53157E-03 36 0.460E-01 0.216E+00
DAV: 41 -0.322924632608E+01 -0.88149E-02 -0.56379E-03 36 0.678E-01 0.794E-01
DAV: 42 -0.326425783331E+01 -0.35012E-01 -0.57882E-03 36 0.602E-01 0.687E-01
DAV: 43 -0.327409304375E+01 -0.98352E-02 -0.38324E-03 36 0.449E-01 0.338E-01
DAV: 44 -0.327453412663E+01 -0.44108E-03 -0.12725E-03 36 0.198E-01 0.680E-01
DAV: 45 -0.327297514671E+01 0.15590E-02 -0.46248E-04 36 0.186E-01 0.633E-01
DAV: 46 -0.327239895959E+01 0.57619E-03 -0.16750E-04 27 0.658E-02 0.507E-01
DAV: 47 -0.327303232208E+01 -0.63336E-03 -0.85596E-04 28 0.122E-01 0.360E-01
DAV: 48 -0.327355242643E+01 -0.52010E-03 -0.10669E-03 36 0.136E-01 0.280E-01
DAV: 49 -0.327366076535E+01 -0.10834E-03 -0.13545E-03 36 0.125E-01 0.191E-01
DAV: 50 -0.327385292927E+01 -0.19216E-03 -0.41903E-04 27 0.812E-02 0.128E-01
DAV: 51 -0.327381373369E+01 0.39196E-04 -0.11043E-04 27 0.577E-02
1 F= -.32738137E+01 E0= -.32621087E+01 d E =-.351151E-01 mag= 4.0000
writing wavefunctions
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marklau
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搂主既然设定了NELM=20,自洽循环怎么会有60步阿??
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K点为何取得这么小
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