From owner-chemistry@ccl.net Thu Oct 25 00:16:00 2012 From: "tarzan p ytarzan0**gmail.com" To: CCL Subject: CCL:G: Spin contamination issues Message-Id: <-47799-121025000947-8128-7KoGQUUVCjowDJh1OzMCtA^-^server.ccl.net> X-Original-From: "tarzan p" Date: Thu, 25 Oct 2012 00:09:46 -0400 Sent to CCL by: "tarzan p" [ytarzan0(a)gmail.com] Hi all... In understand that Gaussian, uses annihilated wave function to eliminate spin contamination for Unrestrited spin calculations.(correct me if I am wrong ..!) Does gamess do it ..? best wishes