From owner-nwchem-users@emsl.pnl.gov Wed Jun 15 14:13:12 2005 Received: from odyssey.emsl.pnl.gov (localhost [127.0.0.1]) by odyssey.emsl.pnl.gov (8.12.10/8.12.10) with ESMTP id j5FLDC9v027976 for ; Wed, 15 Jun 2005 14:13:12 -0700 (PDT) Received: (from majordom@localhost) by odyssey.emsl.pnl.gov (8.12.10/8.12.10/Submit) id j5FLDC0L027975 for nwchem-users-outgoing; Wed, 15 Jun 2005 14:13:12 -0700 (PDT) Date: Wed, 15 Jun 2005 13:10:07 -0700 (PDT) From: mernst@tricity.wsu.edu Subject: vibrational frequencies by classical MD To: nwchem-users@emsl.pnl.gov Message-id: <33225.172.16.1.26.1118866207.squirrel@www.tricity.wsu.edu> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 8bit Importance: Normal X-Priority: 3 (Normal) User-Agent: SquirrelMail/1.4.4 X-MailScanner: Found to be clean X-MailScanner-From: mernst@tricity.wsu.edu Sender: owner-nwchem-users@emsl.pnl.gov Precedence: bulk Hello, I would like to calculate vibrational frequencies for a molecule using only classical molecular dynamics. The nwchem manual mentions vibrational frequencies in conjunction only with quantum methods. Is there some way I can direct nwchem to calculate vibrational frequencies with MD, or use output of an MD simulation to find vibrational frequencies? Thank you for your attention. Matt Ernst WSU Tri-Cities