From AZHARI %-% at %-% FRCU.EUN.EG Wed Jul 13 12:58 MET 1994 Received: from FRCU.EUN.EG by milliways.physik.unizh.ch (5.0cf2.19) id AA11062; Wed, 13 Jul 94 12:58:21 +0200 Received: from FRCU.EUN.EG by FRCU.EUN.EG (PMDF V4.2-11 #3805) id <01HENRWL771S000VGQ%!at!%FRCU.EUN.EG>; Wed, 13 Jul 1994 13:58:37 O Date: Wed, 13 Jul 1994 13:58:37 +0000 (O) From: AZHARI ^at^ FRCU.EUN.EG Subject: AO based DFT codes To: suter: at :physik.unizh.ch Message-Id: <01HENRWL9VHU000VGQ -A_T- FRCU.EUN.EG> X-Vms-To: IN%"suter%!at!%physik.unizh.ch" Mime-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: TEXT/PLAIN; CHARSET=US-ASCII Content-Length: 943 Status: RO Dear Suter: 1) I have the DeFT code but I did not use it yet. 2) From its manual and sample input and output it has many disadvantages. a) It dose not use the standard basis sets to make a comparison with the calculations at the SCF and MP2 levels. b) It dose not print the force fields and calculation of vibrational frequencies of isotopmers will require a separate job! which is definitaly a big disadvantage. c) It dose not allow to use the symmetry explicitly. 3) I think the code from cadpac would be much better. I think the paper of amos JPC, 1993 97, 4392 ( I hope I got the page number correct) will explain the advantages an the facilities of the DFT code implemented in the CADPAC program. We are tring to get the new version of the CADPAC program for this reason. Adel El-Azhary Cairo University