From Darren.Andrews-: at :-man.ac.uk Tue Feb 20 13:48:25 1996 Received: from nessie.mcc.ac.uk for Darren.Andrews#* at *#man.ac.uk by www.ccl.net (8.7.1/950822.1) id NAA01159; Tue, 20 Feb 1996 13:24:07 -0500 (EST) Received: from [130.88.12.235] (actually femt03.ch.man.ac.uk) by nessie.mcc.ac.uk with SMTP (PP); Tue, 20 Feb 1996 18:23:39 +0000 X-Sender: mbcdpa "-at-" nessie.mcc.ac.uk Message-Id: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 20 Feb 1996 18:27:54 +0000 To: chemistry&$at$&www.ccl.net From: Darren.Andrews: at :man.ac.uk (Darren Andrews) Subject: DFT and ROHF in G92 I am trying to perform a DFT calculation using Gaussian92 + DFT on a system with a doublet. When I calculate this using the keywords BLYT/6-31G** it seems to go into a UHF calculation i.e., S**2 is not equal to 0.75. I want to use a restricted open shell calculation in order to compare the energies with a calculation on the singlet. Does anyone know how this is done? Darren Andrews. University of Manchester, Department of Chemistry, Oxford road, Manchester. M13 9PL. Darren.Andrews ":at:" man.ac.uk PGP: 512/A971A9 Tel: 0161 275 4699. Fax: 0161 275 4598.