From owner-chemistry@ccl.net Wed Feb 22 11:52:01 2012 From: "Ly Minh Nguyen nguyenminhly2209#%#yahoo.com" To: CCL Subject: CCL: SN1 Reaction Message-Id: <-46357-120222111402-23364-GyuDu+/fWHKSE7wpl7drag#%#server.ccl.net> X-Original-From: "Ly Minh Nguyen" Date: Wed, 22 Feb 2012 11:14:01 -0500 Sent to CCL by: "Ly Minh Nguyen" [nguyenminhly2209-$-yahoo.com] Dear sir, I'm Ly, Viet Nam I have a problem with SN1 reaction. I want to optimize transition state of SN1 subtitution reaction ( 2 structure ) but I don't know how to do this. Can I use QST2 and QST3 key word for optimizing ? Please help me. Thanks