Affiliation: | 1. Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi‐ku, Osaka 558‐8585 (Japan), Fax: (+81)?6‐6605‐2568;2. Department of Physical Science, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599‐8531 (Japan);3. Research Center for Structural Themodynamics, Graduate School of Science, Osaka University, Toyonaka, Osaka 560‐0043 (Japan), Fax: (+81)?6‐6850‐5526 |