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974329282

新虫 (初入文坛)

[求助] VASP算声子谱运行完不出FORCE_CONSTANTS 已有2人参与

输入phonopy  -f vasprun.xml后出现 没有生成 FORCE_CONSTANTS,怎么回事,下面是出现的东烯
/vol-th/home/qi/yhl/2/anaconda/lib/python2.7/site-packages/phonopy/atoms.py:17: FutureWarning: comparison to `None` will result in an elementwise object comparison in the future.
  if cell==None:
/vol-th/home/qifei/yhl/2/anaconda/lib/python2.7/site-packages/phonopy/atoms.py:24: FutureWarning: comparison to `None` will result in an elementwise object comparison in the future.
  if ( not self.cell==None ) and  ( not positions==None ):
INPHON is not found.
    这是怎么回事了?谢谢

VASP算声子谱运行完不出FORCE_CONSTANTS
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c19940408

银虫 (初入文坛)

POSCAR用的是单胞的吗?以及vasprun.xml应该不止一个吧
3楼2016-04-03 00:47:13
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ultraq

至尊木虫 (著名写手)

【答案】应助回帖

感谢参与,应助指数 +1
phonopy --fc vasprun.xml
2楼2016-04-02 15:34:26
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ZYYXS

金虫 (小有名气)

【答案】应助回帖

生成FORCE_CONSTANTS的命令是phonopy --fc vasprun.xml。  生成FORCE_SETS的命令是phonopy -f vasprun.xml。  且FORCE_SETS和POSCAR-***文件有关
4楼2016-07-22 09:10:11
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