Subject: how to change convergence criteria?

From: <jz7{at}duke.edu>
Date: Fri, 18 Jul 2003 11:50:28 -0400

Dear all,

I am using Gaussian98 to do geometry optimization for a system 
including about 150 atoms. But the optimization seems to take a long 
long time. So I want to change the cutoff value of the convergence. How 
can I do that? Will you please give some suggestions?

Thanks a lot!

Best,
Jeny