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飘在空中的雨

金虫 (小有名气)

[求助] 错误信息

*Warning* max. SCF cycles performed but system has not reached the groundstate.
  
Current total energy, E     =  -10023.85275922     eV
Current free energy (E-TS)  =  -10023.88921077     eV
(energies not corrected for finite basis set)

NB est. 0K energy (E-0.5TS)      =  -10023.87098500     eV

  ****************************************************************************
  Warning: electronic minimisation did not converge when finding ground state.
  ****************************************************************************

Writing model to TiO2_rutile.check
Error in geom_get_forces - electronic_minimisation of current_cell failed
Current trace stack:
geom_get_forces
geom_BFGS
geometry_optimise
castep


应该改什么相应的设置呢?
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zhouhui2009

木虫 (初入文坛)

【答案】应助回帖


飘在空中的雨(金币+2): 2011-06-22 09:14:21
贺仪(金币+1): 多谢交流 2011-06-22 09:30:48
这个问题常见,论坛里谈论的也比较多
max. SCF cycles performed but system has not reached the groundstate
主要检查一下能量收敛的情况,判断最大迭代步已到,而没有达到基态是什么愿意,进而调大SCF cycles或调节收敛条件
交流促进进步
2楼2011-06-22 00:36:58
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