Affiliation: | 1. Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo‐ku, Kyoto 606‐8502 (Japan), Fax: (+81)?75‐753‐3970;2. Spectroscopy Laboratory for Functional π‐Electronic Systems and Department of Chemistry, Yonsei University, Seoul 120‐749 (Korea), Fax: (+82)?2‐364‐7050 |