Affiliation: | 1. Department of Chemistry, Tohoku University, Aoba-ku, Sendai, Japan;2. Department of Biomolecular Sciences, Tohoku University, Aoba-ku, Sendai, Japan;3. JST, ERATO, Isobe Degenerate π-Integration Project and Advanced Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, Japan |