From owner-chemistry <-at-> ccl.net Tue Jul 4 12:54:30 1995 Received: from nessie.mcc.ac.uk for mbdtsnm' at \`hpf.ch.man.ac.uk by www.ccl.net (8.6.10/930601.1506) id MAA24539; Tue, 4 Jul 1995 12:44:44 -0400 Received: from hpf.ch.man.ac.uk (actually mchhpf.ch.man.ac.uk) by nessie.mcc.ac.uk with SMTP (PP); Tue, 4 Jul 1995 17:44:34 +0100 From: Nathaniel (noj) Malcolm Message-Id: <17503.9507041643 - at - hpf.ch.man.ac.uk> Subject: cation calcs To: chemistry - at - ccl.net Date: Tue, 4 Jul 95 17:43:53 BST Mailer: Elm [revision: 70.85] John Pollard wrote: >I was wondering what people thought about the most viable molecular orbital >approach to dealing with finding optimized geometries for +1 cations of >organic molecules. I have been just using UHF theory. Are there better >theories for dealing with these species? in response to thomas bally's response, there is also a CASSCF type mp2 correction available in Gaussian94 Mike Robbs OVB-MP2 code, you could try that.