<P><SPAN>Dear Q-E users;</SPAN></P>
<P><SPAN>I have a system has 38 oxygen atoms whoes occupation is 3/4, so i want to genrate a new O pp which is 3/4 of itself, </SPAN></P>
<P><SPAN>can someone give some suggestions on how to do it, thanks in advance.</SPAN></P>
<P><SPAN></SPAN> </P>
<P><SPAN>Jun DAI</SPAN></P>
<P><SPAN>============================================</SPAN></P>
<P><SPAN>Ph.D. Candidate,<BR>Hefei National Laboratory For Physical Sciences at the Microscale,<BR>University of Science and Technology of China,<BR>Hefei, Anhui, 230026,<BR>People's Republic of China<BR>Tel.: 86-551-3606428<BR>Fax.: 86-551-3602969<BR>E-mail: jdai3@mail.ustc.edu.cn<BR>============================================<BR></SPAN></P>