1. Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8552, Japan, Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Department of Chemistry, Graduate School of Science, Chiba University, Chiba 263-8522, Japan, and High Pressure Laboratory, Chemical R&D, Pfizer Global R&D, 2800 Plymouth Road, Ann Arbor, Michigan 48105