1. Quantum Theory Project and The Center for Macromolecular Science and Engineering, Departments of Chemistry and Physics, University of Florida, Gainesville, Florida 32611-8435
2. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
3. Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan