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xyzmuch木蟲 (正式寫手)
逍遙王
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[交流]
【求助】Castep中結(jié)構(gòu)優(yōu)化的問題 已有6人參與
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Castep中結(jié)構(gòu)優(yōu)化,首先進(jìn)行了優(yōu)化截斷能,我選擇幾個截斷能下的 total energy 和Final energy,記得有人說兩個不同截斷能下能量的差值小于0.01ev就可以選擇此截斷能了。那么這個能量差是指的 total energy 還是Final energy?我這個體系還需要進(jìn)一步優(yōu)化嗎(截斷能)? 謝謝 (4)cutoff=450 ev Converged in 34 iterations to a total energy of -856.736571 eV Final energy, E = -6230.137408231 eV Final free energy (E-TS) = -6230.206701738 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -6230.172054984 eV (5)cutoff=500 ev Converged in 33 iterations to a total energy of -856.759652 eV Final energy, E = -6230.299477334 eV Final free energy (E-TS) = -6230.369307456 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -6230.334392395 eV (6)cutoff=550 ev Converged in 38 iterations to a total energy of -856.767401 eV Final energy, E = -6230.463065004 eV Final free energy (E-TS) = -6230.533405609 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -6230.498235306 eV (7)cutoff=600 ev Converged in 36 iterations to a total energy of -856.773858 eV Final energy, E = -6230.598273635 eV Final free energy (E-TS) = -6230.667736817 eV (energies not corrected for finite basis set) NB est. 0K energy (E-0.5TS) = -6230.633005226 eV |
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