Affiliation: | 1. Department of Chemistry, Tokyo Gakugei University, Koganei, Tokyo 184‐8501 (Japan), Fax: (+81)?42‐329‐7496;2. Center for Tsukuba Advanced Research Alliance, University of Tsukuba, Tsukuba 305‐8577 (Japan), Fax: (+81)?29‐853‐6409;3. Department of Chemistry, Josai University, Sakado, Saitama 171‐8501 (Japan);4. Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki 444‐8585 (Japan), Fax: (+81)?564‐53‐4660 |