Table 3. Calculated Kinetic Characteristics of the Reactions of IsoH with HO• and HOO• Radicals in the Gas Phasea.
| Mechanisms | IFb (cm–1) | ΔG≠c (kcal/mol) | Kd | Γe (%) | koverall | ||
|---|---|---|---|---|---|---|---|
| HOO• | f-HAT | 2OH | –2246.62 | 16.5 | 1.00 × 10–17 | 98 | 1.20 × 10–17 |
| 11OH | –2325.5 | 20.0 | 1.10 × 10–19 | 1 | |||
| 12OH | –2351.4 | 19.9 | 1.20 × 10–19 | 1 | |||
| HO• | f-HAT | 2OH | –2603.1 | 7.8 | 1.40 × 10–14 | 0 | 1.05 × 10–10 |
| 11OH | –2456.73 | 9.0 | 4.30 × 10–14 | 0 | |||
| 12OH | –2713.07 | 7.8 | 4.60 × 10–14 | 0 | |||
| RAF | C2 | –369.3 | 5.9 | 1.30 × 10–11 | 12 | ||
| C3 | –365.6 | 5.7 | 1.70 × 10–11 | 16 | |||
| C5 | –424.7 | 6.5 | 4.10 × 10–12 | 4 | |||
| C6 | –506.6 | 10.4 | 6.50 × 10–15 | 0 | |||
| C7 | –306.6 | 5.7 | 1.60 × 10–11 | 15 | |||
| C8 | –351.6 | 7.5 | 7.60 × 10–13 | 1 | |||
| C9 | –445.8 | 11.6 | 7.40 × 10–16 | 0 | |||
| C10 | –281.6 | 5.4 | 2.90 × 10–11 | 28 | |||
| C11 | –249.7 | 5.5 | 2.50 × 10–11 | 24 | |||
| C12 | –370.0 | 8.2 | 2.60 × 10–13 | 0 | |||
| C13 | –494.6 | 11.6 | 7.40 × 10–16 | 0 | |||
| C14 | –438.5 | 9.3 | 3.70 × 10–14 | 0 | |||
The k values are in cm3 molecule–1 s–1.
Imaginary frequency.
Activation free energy.
Rate constant.
Branching ratio.