title: Pyrene-dihydrophenazine bis(radical cation) in a singlet ground state.
abstract: A new pyrene-dihydrophenazine dyad was prepared. Oxidation of the neutral species produced a bis(radical cation) species, which was characterized by the absorptions of their component radical cations in the visible region. A thermally accessible triplet state was observed in the ESR measurement in frozen n-PrCN. The energy gap between the singlet and triplet states was determined to be 2J/k(B) = -36 +/- 3 K.
authors: Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan.
authors: Shuichi
authors: S
authors: Suzuki
authors: Takuma
authors: T
authors: Takeda
authors: Masato
authors: M
authors: Kuratsu
authors: Masatoshi
authors: M
authors: Kozaki
authors: Kazunobu
authors: K
authors: Sato
authors: Daisuke
authors: D
authors: Shiomi
authors: Takeji
authors: T
authors: Takui
authors: Keiji
authors: K
authors: Okada