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阚敏

新虫 (小有名气)

[求助] QE relax 报错

报错内容如下:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
     Error in routine  read_namelists (88):
      reading namelist system
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

输入文件参数如下:
&control
    calculation = 'relax',
    prefix = 'MoS2_111',
    pseudo_dir='./',
    disk_io='low',
    etot_conv_thr = 0.1D-5,
    forc_conv_thr = 0.1D-4,
/
&system
    ibrav =  4,
    celldm(1) = 5.93573,
    celldm(3) = 7.96178,
    nat =  3,
    ntyp = 2,
    ecutwfc = 175,
    verbosity = 'high',
/
&electrons
    mixing_beta = 0.7
    conv_thr=1.D-8
/
&ions
    ion_dynamics = 'bfgs',
/
ATOMIC_SPECIES
Mo 95.940 Mo.pz-hgh.UPF
S 32.065 S.pz-hgh.UPF

ATOMIC_POSITIONS (alat)
Mo 0.66667 0.33333 0.245447
S  0.0 0.0 0.18241
S  0.0 0.0 0.30921

K_POINTS (automatic)
49 49 1 1 1 1

求指教,不胜感激
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阚敏

新虫 (小有名气)

引用回帖:
4楼: Originally posted by goldenfisher at 2014-01-22 21:12:27
顺带:ecutwfc=175?这是什么节奏?

http://prl.aps.org/supplemental/PRL/v111/i21/e216805

The calculations are done in a supercell arrangement[2] with a plane-wave basis using normconserving pseudopotentials[3] with a 1700 eV wave function cuto ff.

我是给1700eV换算成原子单位吧?换算错了还是怎么滴?
7楼2014-01-23 13:17:16
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liqizuiyang

木虫 (著名写手)

verbosity = 'high',

把这句放到&CONTROL里。

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2楼2014-01-22 09:55:13
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liqizuiyang

木虫 (著名写手)

顺带补充:

ATOMIC_POSITIONS (alat)知名下面的原子坐标为直角坐标系中坐标,坐标系基矢长度为celldm(1)。但是你下面的坐标是分数坐标。

若要用分数坐标,应改成ATOMIC_POSITIONS (crystal)。
3楼2014-01-22 09:57:26
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goldenfisher

金虫 (著名写手)

顺带:ecutwfc=175?这是什么节奏?
4楼2014-01-22 21:12:27
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