2,3-Dimethyl-2-butene-d12 Singlet oxygen

Gorman, A.A.; Hamblett, I.; Lambert, C.; Spencer, B.; Standen, M.C.
J. Am. Chem. Soc. 110, 8053-8059 (1988)

Reaction: (CD₃)₂C=C(CD₃)₂ + ¹O₂^* ® products and/or physical quenching
Solvent: Toluene

Activation energy = 0.0(kJ mol^-1), Log(A) = 7.470, Enthalpy of activation = -3(kJ mol^-1), Entropy of activation = -126(J K^-1 mol^-1), Temperature range 183 to 363 K
k = 3.2 × 10⁷(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 355 nm

Photosensitizer = 2'-Acetonaphthone; pre-exciplex-equilibrium limit activation parameters. [Sensitizer] = 2.9 × 10^-3 (mol L^-1).