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[ Last edited by Jldbaobei on 2009-2-28 at 11:47 ]
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2Â¥2009-02-28 12:20:23
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Jldbaobei

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3Â¥2009-02-28 13:16:05
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mchen10

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yuhuobuku(½ð±Ò+3,VIP+0):»¶Ó­²Î¼ÓÌÖÂÛ 2-28 15:15
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Originally posted by Jldbaobei at 2009-2-28 13:16:
¶àл°æÖ÷

µÚÒ»¸öÎÊÌ⣬ÎÒ½«½ÏСµÄÐ鯵Õñ¶¯×ø±êµÄ1/3¼Óµ½ÓÅ»¯×ø±êÉÏÒԺ󣬼ÆËãµÃµ½ÁËÒ»¸ö½á¹¹±ä»¯²»´óµÄÎÞÐ鯵½á¹¹

¶ÔÓÚµÚ¶þ¸öÎÊÌ⣬ÓÐÒ»¸öÐ鯵½øÐÐIRC¼ÆËã²»Êdz¯·´Ó¦Îï»ò²úÎï×ߣ¬ÊDz»ÊÇ˵Õâ¸ö½á¹¹Ö»ÊÇÎÒÈËΪ ...

your reaction is just ONE curve on the total reaction PES. Thus, when you find a "TS" with 1 imaginary frequency, it might just be on another curve without interest, and that's why you need an IRC analysis to find the "real" TS.

sometimes, a reaction is pretty simple, like proton transferring, TS or not could be easy to see, after you visualize the imaginary frequency and find whether it goes as the reaction should go.
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4Â¥2009-02-28 14:29:18
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