From cmao771 |-at-| charon.cc.utexas.edu Mon Feb 20 17:51:28 1995 Received: from hpcf.cc.utexas.edu for cmao771 ":at:" charon.cc.utexas.edu by www.ccl.net (8.6.9/930601.1506) id RAA07178; Mon, 20 Feb 1995 17:16:18 -0500 Received: from charon.cc.utexas.edu by hpcf.cc.utexas.edu (5.0/SMI-SVR4) id AA23324; Mon, 20 Feb 1995 16:16:18 +0600 Received: by charon.cc.utexas.edu (5.61/CRI-80.1) id AA44648; Mon, 20 Feb 95 16:16:15 -0600 From: Bersuker Message-Id: <9502202216.AA44648&$at$&charon.cc.utexas.edu> Subject: MO LCAO with fractional charges To: chemistry /at\ccl.net (Computational Chemistry List) Date: Mon, 20 Feb 95 16:16:13 CST X-Mailer: ELM [version 2.3 PL11] content-length: 972 Dear Netters: We have a non-trivial problem. Developing a method of semiempirical fragmentary MO LCAO calculations, we encounter the necessity to calculate the electronic structure of molecular systems with FRACTIONAL CHARGES. So far, we couldn't find any existing method which can be easily adapted to include fractional charges; to our knowledge, all the known methods are reasonably assuming that the number of electron is integer. Could anybody help us with suggestions or hints? We promise to generalize the replies for the CCL. -- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Isaac B. Bersuker | E-mail: Welch 3.140 | cmao771 #at# charon.cc.utexas.edu (prefered) Dept. of Chemistry | bersuker -8 at 8- eeyore.cm.utexas.edu Univeristy of Texas at Austin | Phone: (512) 471-4671 Austin, TX 78712 | Fax: (512) 471-8696 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *