1. Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106, Department of Molecular Science and Technology, Ajou University, Suwon, 442-749, Korea, Catalysis Center for Molecular Engineering, KRICT, PO Box 107, Yusong, Taejon, 305-600, Korea, Department of Physics and CIR, Tohoku University, Sendai 980-8578, Japan, Department of Chemistry and BK-21 School of Molecular Science, Sungkyunkwan University, Suwon, 440-746, Korea, and CREST, Japan Science and Technology...