M. Hirayama et al., ESR OF THE PI-RADICAL FORMED BY PHOTOREDUCTION OF BIS(1,2,5-SELENADIAZOLO)-TETRACYANOQUINODIMETHANE IN METHANOL - OBSERVATION OF A LARGE SE-77 HFS, Chemistry Letters, (11), 1995, pp. 1021-1022
A large Se-77 hfs was observed in the ESR spectrum of a radical genera
ted by photoreduction of the electron acceptor, BSDA-TCNQ(3), with 355
nm laser irradiation in methanol. This spectrum was identified as the
anion radical of a proton adduct of 3, which was supported by the MO
calculation.