1. Contribution from the Department of Chemistry, Tokyo Gakugei University, Tokyo 184-8501, Japan, Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba 305-8577, Japan, Mesoscopic Physics Laboratory, Department of Physics, Peking University, Beijing 100871, People's Republic of China, Department of Theoretical Molecular Science, Institute for Molecular Science, Okazaki 444-8585, Japan, National Laboratory of Advanced Industrial Science and Technology, Tsukuba 305-8565, Japan,...