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Z2012011113

银虫 (小有名气)

[求助] 计算电子亲和势能问题,急急急急,求大哥大姐前辈们进来指导!~~(>_<)~~

小妹今年刚接触高斯,想要计算反应的电子亲和能。
我知道电子亲和能是阴离子和中性分子的总能量之差但是总能量如何计算?
1.是阴离子和中性分子里的Sum of electronic and thermal Energies 这个能量么?我用这个能量计算后与文献不匹配啊,又用Sum of electronic and zero-point Energies计算还是不对
2.是不是要用原子化能相减 。如对于 PH2,其原子化能为E(P)+2(EH())-R(PH2) ,计算出PH2和PH2-的原子化能,然后两个相减?

求各路大神赐教,感激不尽,谢谢!非常感谢!
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小范范1989

木虫 (著名写手)

你好,你可以参见一下这个帖子中的过程
http://ccc.keinsci.com/forum.php ... 1390&extra=
希望对你有帮助。
It doesn't matter how slow you are, as long as you're determined to get there, you'll get there.
2楼2015-08-15 20:44:03
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