Table 1. Rate Constants and 2° CH/D KIEs of Styrene Oxidation with O(3P).
| reactant X | rate constant (kA)a | 2° KIEexpta | 2° KIEcalcb |
|---|---|---|---|
| styrene | 20.4 ± 0.3 | ||
| styrene-α-d1 | 20.6 ± 0.3 | 0.99 ± 0.02 | 1.01 |
| styrene-β,β-d2 | 23.3 ± 0.4 | 0.88 ± 0.02 | 0.86 |
| styrene-α,β,β-d3 | 24.3 ± 0.5 | 0.84 ± 0.03 | 0.87 |
Experimentally determined rate constants (× 109 M–1 s–1) and 2° CH/D KIEs from kinetic competition experiments.
Computationally modeled 2° CH/D KIEs using the M06-2X/GCP(DFT/6-31G(d)) level of theory.