1. Department of PhysicsGraduate School of Science, Nagoya University Nagoya Aichi 464‐8602 Japan
2. Department of ChemistryBoston University Boston Massachusetts 02215‐2521
3. Information Technology CenterNagoya University Nagoya Aichi 464‐8601 Japan
4. Structural Biology Research CenterGraduate School of Science, Nagoya University Nagoya Aichi 464‐8602 Japan
5. Center for Computational Science, Graduate School of Engineering, Nagoya University Nagoya Aichi 464‐8603 Japan
6. JST‐CREST Nagoya Aichi 464‐8602 Japan