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longwei1221鐵蟲(chóng) (小有名氣)
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[求助]
MS在計(jì)算BeF2時(shí)候出現(xiàn)了這樣的錯(cuò)誤
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第一性原理光學(xué)性質(zhì) |

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哎呀。樓主,你的英語(yǔ)能力不成問(wèn)題吧,文件中提示已經(jīng)夠多了 看看那文件中,不僅告訴你哪錯(cuò)了,還告訴你可能的原因,還給你建議。 (1)錯(cuò)誤所在:聲子譜計(jì)算錯(cuò)誤,重復(fù)計(jì)算結(jié)構(gòu)優(yōu)化不能執(zhí)行或者不能夠收斂 *ERROR* in PHONON calculation: Prerequisite GEOMETRY OPTIMISATION has not been performed or is not converged to sufficient accuracy. (2)可能的原因: 有四點(diǎn),自己看英文沒(méi)問(wèn)題吧?有問(wèn)題的話(huà)再幫你翻譯 This could be because of any of the following (a) No geometry optimisation was performed (b) A geometry optimisation failed to converge (c) An error was made copying the optimised geometry to this .cell file (d) Cutoff, k-point sampling or other convergence parameter differ (3)提出解決建議: Please check your input parameters and if necessary run or re-run a geometry optimisation calculation. (4)注意事項(xiàng): Alternatively increase value of GEOM_FORCE_TOL to 0.1858 or greater to allow this run to proceed at risk of inaccurate phonon frequencies. Typically a force tolerance convergence of 0.025 eV/A is necessary to obtain well converged phonon frequencies althout a smaller value can be required in the presence of weak forces, e.g. in molecular crystals 最后提醒你檢查: ERROR: Phonon run aborted because of unoptimised geometry. See BeF2_PhonDOS.castep for more details |


鐵蟲(chóng) (小有名氣)


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