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北京石油化工学院2026年研究生招生接收调剂公告
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oneil

金虫 (正式写手)

[求助] 高斯激发态优化关于文献描述作业设置请教

各位,我最近在练习gaussian激发态的优化,有一篇文献提到这样一段话:The absorption spectra have been calculated by the Time Depedent PBE0/6-311+G(2d,2p) calculations performed on geometries optimized at the PBE0 6-31+G(d,p) level. Numerical excited state geometry optimizations have been performed  at the the TD/PBE0 6-31G(d) level, without any planarity constraint. All the gradients are  smaller than 0.02 eV/bohr for the excited state geometry optimizations performed in vacuo and smaller than 0.05 eV/bohr for the geometry optimizations performed in aqueous solution and Hydrogen atom degrees of freedom are frozen at their value optimized in the gas phase.
我想问下,这个0.02ev/bohr他是怎么做到的,gaussian作业关键字怎么写,初学量化,请指教,先谢谢了!
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shuangliu

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【答案】应助回帖

★ ★
感谢参与,应助指数 +1
cenwanglai: 金币+2, 鼓励回帖~ 2012-11-18 16:49:43
%chk=ex-ind-py-1
# opt td(singlets,nstates=10,root=1) b3lyp/6-311g(d,p)

hjkh

0 1
2楼2012-11-17 16:59:09
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oneil

金虫 (正式写手)

引用回帖:
2楼: Originally posted by shuangliu at 2012-11-17 16:59:09
%chk=ex-ind-py-1
# opt td(singlets,nstates=10,root=1) b3lyp/6-311g(d,p)

hjkh

0 1

你好,我想问的是0.02ev/bohr这个目的怎么达到,你写的这个基本的作业输入我还是会的。
3楼2012-11-17 23:43:05
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