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慢三兒木蟲 (小有名氣)
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[求助]
【求助】NBO的Warning。!
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WARNING: 1 low occupancy (<1.9990e) core orbital found on C 1 1 low occupancy (<1.9990e) core orbital found on C 2 1 low occupancy (<1.9990e) core orbital found on C 3 1 low occupancy (<1.9990e) core orbital found on C 4 1 low occupancy (<1.9990e) core orbital found on C 5 1 low occupancy (<1.9990e) core orbital found on C 6 2 low occupancy (<1.9990e) core orbitals found on K 12 WARNING: Population inversion found on atom C 1 Population inversion found on atom C 2 Population inversion found on atom C 3 Population inversion found on atom C 4 Population inversion found on atom C 5 Population inversion found on atom C 6 Population inversion found on atom Cl 7 Population inversion found on atom Cl 8 Population inversion found on atom O 9 Population inversion found on atom C 10 Population inversion found on atom O 11 Population inversion found on atom K 12 Population inversion found on atom O 13 Population inversion found on atom H 14 Population inversion found on atom H 15 Population inversion found on atom H 16 NBO計算后輸出文件有如下的WARNING,這表示什么意思呢?計算結(jié)果可取嗎? |
至尊木蟲 (著名寫手)
本人已永久離開小木蟲
木蟲 (小有名氣)
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I often see a warning message about "population inversion" after NPA analysis. Should I be worried? Probably not. The "inversion" (occupancy ordering inconsistent with energy ordering) probably occurs for Rydberg-type orbitals of very low occupancy or near-degeneracy in occupancy or energy, so that no significant physical effects are indicated. The contrary case of an "inversion" involving high-occupancy, non-degenerate orbitals indicates an excited state. 最后一句說如果inversion的是高占據(jù)非簡并軌道則可能是激發(fā)態(tài)?? |
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