Acenaphthylene, trans-photodimer

Kobashi, H.; Ikawa, H.; Kondo, R.; Morita, T.
Effect of conformation on ring opening of cis and trans dimers of acenaphthylene in the triplet state. Direct detection of hydrocarbon biradical, 1,1'-biacenaphthene-2,2'-diyl.
Bull. Chem. Soc. Jpn. 55: 3013-8 (1982)

Acenaphthylene, trans-photodimer
Solvent : Benzene, 293 K

wave length at maximum = 455 nm

Triplet state population method: Pulsed laser photolysis (coupled with energy transfer)
Lifetime = 0.12 micro sec.
Comments: *Triplet ET from acetophenone

* Evidence supporting the assignment of the transient triplet state.
back...