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爱国者导弹

新虫 (小有名气)

[求助] 怎么用高斯计算PES?关键词怎么设置?高斯小白求助 已有1人参与

我想计算一个多原子分子ESIPT的PES,坐标分别为键长和二面角,关键词怎么设置呢?

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小范范1989

木虫 (著名写手)

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zhou2009: 金币+8 2017-08-18 16:51:25
正好我前段时间刚刚做了一个ESIPT。计算了势垒。我当时也是感兴趣,就做了一个。
说一下问题
1:我当时计算了一个过渡态,然后分别优化的normal和ESIPT两个态。然后做了这么一个势垒图
但是我去开会的时候,看到海报,有的这个势垒是通过柔性扫描的方式得到的。比如扫描这个H bond的键长。
2:Ab initio study of the excited-state proton transfer: mechanisms for 3-hydroxy-2-(thiophen-2-yl)chromen-4-one†

Structural tuning intra- versus inter-molecular proton transfer reaction inthe excited statew

Excited-state intramolecular proton-transfer(ESIPT)-inspired solid state emitters
几篇文章,适当看看,一google一大把
It doesn't matter how slow you are, as long as you're determined to get there, you'll get there.
2楼2017-08-18 15:00:24
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notany

木虫 (正式写手)

【答案】应助回帖

关键词OPT=modredundant,
用relaxed scan,具体输入manual里就有
3楼2017-08-21 16:59:23
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