From chemistry-request ^at^ ccl.net Tue Jan 11 13:20:28 2005 Received: from prserv.net (out1.prserv.net [32.97.166.31]) by server.ccl.net (8.12.8/8.12.8) with ESMTP id j0BIKSrn030433 for ; Tue, 11 Jan 2005 13:20:28 -0500 Message-Id: <200501111820.j0BIKSrn030433|at|server.ccl.net> Received: from be2.prserv.net (be2.backbone.sch.us[10.254.181.62]) by attglobal.net (out1) with SMTP id <2005011118374520104qc604e>; Tue, 11 Jan 2005 18:37:45 +0000 From: jmmckel|at|attglobal.net To: chemistry|at|ccl.net Subject: Reduced Mass in Vibration Calculation Date: Tue, 11 Jan 2005 18:37:44 +0000 X-Priority: 3 MIME-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=2.0 required=7.5 tests=NO_REAL_NAME,PRIORITY_NO_NAME autolearn=no version=2.61 X-Spam-Checker-Version: SpamAssassin 2.61 (1.212.2.1-2003-12-09-exp) on servernd.ccl.net CCLers, Calculations of emission spectra using AM1 ground state vibration calculations in MOPAc vs Gaussian differ, and the suspect is the definition of reduced mass in the two codes. Could someone please comment on the two apparently different definitions? many thanks! John McKelvey