Table 2. Theoretical Emission Properties of 3a, 3b, 3c, and FL at 298 K.

298 K	kica	kfb	kISC (S1 → T1)c	kISC (T1 → S0)d	kpe	ΦT (%)f
FL	9.61 × 108	5.50 × 107	4.79 × 102	4.99 × 102	1.42 × 10–1	4.71 × 10–5
3a	6.61 × 1011	8.78 × 106	1.77 × 107	4.74 × 106	1.28 × 10–1	2.68 × 10–3
3b	6.43 × 1011	1.06 × 107	8.58 × 106	2.17 × 106	1.68 × 10–1	1.33 × 10–3
3c	4.04 × 109	2.20 × 107	2.43 × 105	1.12 × 104	3.38 × 10–1	5.98 × 10–3

^aRate constant for nonemissive decay by internal conversion from S₁ to S₀ in s^–1.

^bFluorescent emission rate constant in s^–1.

^cISC rate constant from S₁ to T₁ in s^–1.

^dISC rate constant from T₁ to S₀ in s^–1.

^ePhosphorescent emission rate constant in s^–1.

^fTriplet quantum yield in percentage, calculated as k_ISC(S₁ → T₁)/(k_ic + k_f + k_ISC(S₁ → T₁)) × 100%.