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kathy2008木蟲 (正式寫手)
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[求助]
考慮溶劑化效應(yīng)后,能量振蕩
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在計(jì)算一體系時(shí),考慮溶劑化效應(yīng)后,能量出現(xiàn)振蕩,如下。 ........ SCF Done: E(RB3LYP) = -6284.31589289 A.U. after 7 cycles SCF Done: E(RB3LYP) = -6284.31589288 A.U. after 7 cycles SCF Done: E(RB3LYP) = -6284.31589289 A.U. after 7 cycles SCF Done: E(RB3LYP) = -6284.31589288 A.U. after 7 cycles SCF Done: E(RB3LYP) = -6284.31589289 A.U. after 7 cycles SCF Done: E(RB3LYP) = -6284.31589288 A.U. after 7 cycles SCF Done: E(RB3LYP) = -6284.31586879 A.U. after 9 cycles SCF Done: E(RB3LYP) = -6284.30847309 A.U. after 12 cycles SCF Done: E(RB3LYP) = -6284.31309595 A.U. after 12 cycles SCF Done: E(RB3LYP) = -6284.31589288 A.U. after 10 cycles SCF Done: E(RB3LYP) = -6284.31583158 A.U. after 9 cycles SCF Done: E(RB3LYP) = -6284.31040424 A.U. after 11 cycles SCF Done: E(RB3LYP) = -6284.31466072 A.U. after 12 cycles SCF Done: E(RB3LYP) = -6284.30824745 A.U. after 12 cycles SCF Done: E(RB3LYP) = -6284.31479421 A.U. after 11 cycles ..... 能量在 -6284.31589288 A.U. after 7 cycles這附近時(shí),Maximum Force以及RMS Force均為YES,故拷出相應(yīng)坐標(biāo),減少步長重算。但能量變化如下。 SCF Done: E(RB3LYP) = -6284.31567086 A.U. after 16 cycles SCF Done: E(RB3LYP) = -6284.31467669 A.U. after 16 cycles SCF Done: E(RB3LYP) = -6284.31557333 A.U. after 15 cycles SCF Done: E(RB3LYP) = -6284.31558203 A.U. after 11 cycles 按理第一個SCF Done 值應(yīng)該是-6284.31589288, 怎么是 -6284.31567086 , 難道是之前的溶劑化效應(yīng)的影響,請高手指點(diǎn)一二。謝謝。 |
木蟲 (正式寫手)
木蟲 (正式寫手)
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