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guohui_Hao銀蟲 (小有名氣)
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[交流]
【求助】Dmol3 晶體分子紅外光譜強度問題 已有1人參與
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Dmol3 晶體分子進行紅外光譜計算,軟件利用周期性方法無法得到偶極矩或其導數(shù),文獻中提到解決此問題的方法: Using the normal mode projections obtained from calculation of the hessian matrix, this method permits calculation of the dipole derivative required for estimation of the infrared intensities. The eigenvectors obtained from the normal mode calculation were used to displace the geometry of the molecule. The difference dipole moment (∂μ/∂Q) required for calculation of the infrared transition moment was calculated from the dipole moment in each geometry。 我計算得到了偶極矩和簡正模式,不知道大家知不知道 怎么求導數(shù) 獲得紅外光譜強度? 謝謝大家了! 節(jié)日快樂! |
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