1. National Institute for Materials Science, Tsukuba, Ibaraki 305-0003
2. Nanotechnology Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568
3. National Defense Academy, Yokosuka, Kanagawa 239-8686
4. CREST, Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012
5. National High Magnetic Field Laboratory, Tallahassee, FL 32310, U.S.A.
6. Institute for Molecular Science, Okazaki, Aichi 444-8585
7. Department of Chemistry, College of Humanities and Sciences, Nihon University, Setagaya, Tokyo 156-8550
8. Research Centre for Spectrochemistry, Graduate School of Science, University of Tokyo, Bunkyo, Tokyo 113-0033