1. Contribution from the Department of Applied Chemistry, School of Engineering, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan, National Laboratory of Molecular and Biomolecular Electronics, Southeast University, Nanjing 210096, China, Institute for Molecular Science, 38 Nishigo-Naka, Myodaiji, Okazaki 444-8585, Japan, Kanagawa Academy of Science and Technology, KSP Building, East 412, 3-2-1 Sakado, Takatsu-ku, Kawasaki-shi, Kanagawa 213-0012, Japan, and Department of Chemistry,...