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haina722金蟲 (正式寫手)
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[求助]
真心求助無(wú)機(jī)晶體結(jié)構(gòu)如何isolated molecules
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看了Morphology tutorials中的例子后,初步嘗試模擬無(wú)機(jī)晶體的Growth morphology,點(diǎn)RUN時(shí)就彈出“The input crystal contains an infinite network of atoms.This calculation requires that the crystal is formed from isolated molecules.” 重復(fù)例子中的Pigment Red有機(jī)晶體的模擬時(shí)就沒(méi)有出現(xiàn)isolated molecules,由于H鍵,有機(jī)晶體的的界面不存在懸鍵,而計(jì)算無(wú)機(jī)晶體的晶胞時(shí),表面都有懸鍵,這個(gè)如何處理啊,查找資料,也思考了很多天了,還是無(wú)解,不知道如何是好,還請(qǐng)高人給予一點(diǎn)提示和知道,萬(wàn)分感謝! |

專家顧問(wèn) (著名寫手)
伊卡斯特的小豬
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專家經(jīng)驗(yàn): +503 |
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The growth morphology method cannot be applied to crystal structures containing an infinite network of bonded atoms. This is because the formation of surfaces in such systems involves breaking chemical bonds and bond breaking is not described by the available forcefields. 這是MS軟件里的解釋 Equilibrium morphology calculation也不適用無(wú)窮網(wǎng)絡(luò)結(jié)構(gòu) 推薦使用BFDH,之前我也做過(guò) ———————————— 模擬之前最好看點(diǎn)理論知識(shí),有些方法不是萬(wàn)能的 |

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