1. Department of Chemistry & Research Center for Materials Science, Graduate School of Science, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
2. Section I Office of Energy Device Development, Research & Development Center, Murata Manufacturing Company, Ltd., Yasu 2288, Oshinohara, Yasu-shi, Shiga 520-2393, Japan
3. Institute for Molecular Sciences, Okazaki 444-8585, Japan