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ËÍÏÊ»¨Ò»¶ä | ллÄúµÄ»Ø´ð ÎÒͶÁËһƪÎÄÕ£¬ÓõÄDFTÓÅ»¯µÄ½á¹¹CCSD(T)ËãµÄµ¥µãÄÜ£¬Éó¸åÈ˸øµÄ»Ø¸´ÊÇ¡°My major objection is that despite demonstrating that the DFT method chosen (BB1K with 6-311G(d,p)) is in substantial error compared to ab initio data, this approach is then used to generate the potential energy surface over which VTST is applied. If one uses a surface that is wrong, then one cannot hope to obtain realistic reaction rates: "garbage in: garbage out". If it is necessary to use DFT for computational expediency, then it is neccessary to identify a functional & basis set that reproduces high-level data. Alternatively, they may explore faster ab initio methods such as MPn, or perhaps local or F12 methods.¡± Ëû˵µÄF12 ²»ÊÇCCSD(T)-F12Â𣿠|
3Â¥2012-04-28 09:46:30
chrinide
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2Â¥2012-04-28 09:39:08
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4Â¥2012-04-28 11:09:58
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