1. Fukui Institute
for Fundamental
Chemistry, Kyoto University, Kyoto 606-8103, Japan
2. Department of Physics, Harvard
University, Cambridge, Masachusetts 02138, United States
3. Bremen Center for Computational
Materials Science - BCCMS, University of Bremen, 28359 Bremen, Germany
4. Department of Chemistry, Graduate
School of Science, Nagoya University, Nagoya 464-4602, Japan
5. Cherry L. Emerson Center for
Scientific Computation and Department of Chemistry, Emory University,
Atlanta, Georgia 30322, United States