From owner-chemistry@ccl.net Sat Nov 5 15:01:01 2011 From: "Eldar Mamin Yeldar443^^mail.ru" To: CCL Subject: CCL:G: assessment of Quantum tunnelling Message-Id: <-45831-111105145844-16190-+m1ecpn6xlSAAH9JpGHqwA!^!server.ccl.net> X-Original-From: "Eldar Mamin" Date: Sat, 5 Nov 2011 14:58:40 -0400 Sent to CCL by: "Eldar Mamin" [Yeldar443.:.mail.ru] Deat CCL community Can anyone help me to assess Quantum tunnelling effect in my reaction - cycloaddition of ozone with double bond at room temperature the problem is that my value is too high about 4% of rate constant with is senceless, it is too high. I use Wiegners formula =1+1/24(*h/kT)^2 with (abaut 600cm^-1) taken > from imaginary mode of freq-job from GAMESS or GAUSSIAN. Is it correct?