From chemistry-request@ccl.net Fri May  1 10:04:06 1992
Date: Fri, 01 May 92 08:49:20 EDT
From: Janet Del Bene <FR042008@YSUB.YSU.EDU>
Subject: Response to Doug Smith
To: chemistry@ccl.net
Status: RO

Doug,
     The addition of diffuse functions to the basis set gives
rise to low-energy virtual orbitals.
Janet E. Del Bene