| 5 | 1/1 | 返回列表 |
| 查看: 836 | 回復(fù): 2 | ||
| 當(dāng)前只顯示滿足指定條件的回帖,點(diǎn)擊這里查看本話題的所有回帖 | ||
superrice木蟲 (正式寫手)
|
[求助]
求教某些特定軌道的電子密度差圖
|
|
|
最近在學(xué)習(xí)如何計(jì)算電子密度差圖,在這篇文獻(xiàn)中遇到了一些問題J. Phys. Chem. A 2011, 115, 13811–13820。例如table1中,左上角第一張圖。這是激發(fā)態(tài)某軌道的密度差圖。這個密度差圖是否由4個密度差圖之和做出來的,如果是的話,那么系數(shù)c該怎么加進(jìn)去。我試著用gaussian view試做了一下小分子,好像不能加入貢獻(xiàn)比。然后如果用multifwn作的話,怎么做某些特定軌道的密度差圖,怎么加入里面系數(shù)的貢獻(xiàn)。非常感謝,下面是文章里系數(shù)貢獻(xiàn)的定義: The total electron density difference between the ground and the excited states Σ Fm->n is calculated by the molecular orbital electron density difference Fm->n = [(Cm->n)^2/(Σ Cm->n2)^2]*(ρn-ρm),where ρn and ρm are the electron density of the two molecular orbitals relative to the electron transition model of MO(m) -> MO(n), Cm->n is the orthogonal coefficient in the TD-DFT equation, and (Cm->n)^2/(Σ Cm->n)^2 can be considered as the contribution of this electron transition model to this absorption peak. 附件附上圖和文獻(xiàn)。[ Last edited by superrice on 2012-5-17 at 19:44 ] |
木蟲 (正式寫手)
禁蟲 (文壇精英)
密度泛函·小卒
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 【同濟(jì)軟件】軟件(085405)考研求調(diào)劑 +3 | 2026eternal 2026-03-18 | 3/150 |
|
|---|---|---|---|---|
|
[考研] 297求調(diào)劑 +8 | 戲精丹丹丹 2026-03-17 | 8/400 |
|
|
[考研] 302求調(diào)劑 +10 | 呼呼呼。。。。 2026-03-17 | 10/500 |
|
|
[考研] 312求調(diào)劑 +8 | 陌宸希 2026-03-16 | 9/450 |
|
|
[考研]
|
胡辣湯放糖 2026-03-15 | 6/300 |
|
|
[考研] 299求調(diào)劑 +5 | △小透明* 2026-03-17 | 5/250 |
|
|
[考研] 0703化學(xué)求調(diào)劑 總分331 +3 | ZY-05 2026-03-13 | 3/150 |
|
|
[考研] 334求調(diào)劑 +3 | 志存高遠(yuǎn)意在機(jī)?/a> 2026-03-16 | 3/150 |
|
|
[考研] 296求調(diào)劑 +5 | 大口吃飯 身體健 2026-03-13 | 5/250 |
|
|
[考研] 【0856】化學(xué)工程(085602)313 分,本科學(xué)科評估A類院;瘜W(xué)工程與工藝,誠求調(diào)劑 +7 | 小劉快快上岸 2026-03-11 | 8/400 |
|
|
[考研] 材料與化工專碩調(diào)劑 +5 | heming3743 2026-03-16 | 5/250 |
|
|
[考研] 085600調(diào)劑 +5 | 漾漾123sun 2026-03-12 | 6/300 |
|
|
[考研] 一志愿華中師范071000,325求調(diào)劑 +6 | RuitingC 2026-03-12 | 6/300 |
|
|
[考研] 288求調(diào)劑 +4 | 奇點(diǎn)0314 2026-03-14 | 4/200 |
|
|
[考研] 304求調(diào)劑 +6 | Mochaaaa 2026-03-12 | 7/350 |
|
|
[考研] 材料與化工求調(diào)劑一志愿 985 總分 295 +8 | dream…… 2026-03-12 | 8/400 |
|
|
[考研] 304求調(diào)劑 +7 | 7712b 2026-03-13 | 7/350 |
|
|
[考研] 310求調(diào)劑 +3 | 【上上簽】 2026-03-11 | 3/150 |
|
|
[考研] 295求調(diào)劑 +3 | 小匕仔汁 2026-03-12 | 3/150 |
|
|
[考研] 085600材料與化工 309分請求調(diào)劑 +7 | dtdxzxx 2026-03-12 | 8/400 |
|