
</H1>

<P>
This work was supported by funds from the Environmental and Molecular
Sciences Laboratory Construction Project at Pacific Northwest National
Laboratory.  Development of some of the parallel programming tools and
algorithms employed by NWChem was performed under the auspices of the
High Performance Computing and Communications Program of the
Mathematical, Information, and Computational Sciences Division, U.S. Department of Energy.  Pacific Northwest National Laboratory is
operated by Battelle Mem