Subject: CIS method for excited states

From: [email-masked] (Shin-Inn Chen)
Date: Wed, 17 Dec 1997 14:27:55 +0800

near netters:
       is it meaning for using CIS method to predict excited states of system 
containing a set of slightly positive virtual orbitals(i.e., LUMO is 0.0037
hartrees) ?
       any references will be appreciated ^__^