When a kinetics data compilation is available, that reference is shown for the sake of brevity. Additional details are provided in Methods.
Process | Parameter | Value | f, g* | Reference | |
298 K (±%) | k(T Kelvin) | ||||
H + O3→OH(v) + O2 | kHO3 | 2.9 × 10−11 cm3 s−1 (±10%) | 1.4 × 10−10 × exp(−470/T) | 1.1, 40 | (31) |
Yield of OH(v = 9) from H + O3 | y9 | 0.47 | (12) | ||
O + O2 + M→O3 + M | kOO2M | 6 × 10−34 cm6 s−1 (±10%) | 6 × 10−34 × (300/T)2.4 | 1.1, 50 | (31) |
O + O3→O2 + O2 | kOO3 | 8 × 10−15 cm3 s−1 (±10%) | 8 × 10−12 × exp(−2060/T) | 1.1, 200 | (31) |
OH(v = 9) + O2→products | kOH9O2 | 2.2 × 10−11 cm3 s−1 (±14%) | 1.15 × 10−11 × exp(+195/T) | (21, 25) | |
OH(v = 9) + N2→products | kOH9N2 | 7 × 10−13 cm3 s−1 (±14%) | 5.03 × 10−13 × exp(+100/T) | (21, 25) | |
OH(v = 9) + O→products | kOH9O | 4 × 10−10 cm3 s−1 (±12%) | 6.2 × 10−10 × exp(−135/T) | (21, 25) | |
OH(v = 9) + O→OH(v = 3) + O(1D) | kOH9NM | 3.2 × 10−10 cm3 s−1 (±16%) | 5.0 × 10−10 × exp(−135/T) | (25, 26) | |
O(1D) + N2→O(3P) + N2 | kODN2 | 3.1 × 10−11 cm3 s−1 (±10%) | 2.15 × 10−11 × exp(+110/T) | 1.1, 20 | (31) |
O(1D) + O2→O(3P) + O2 | kODO2 | 4.0 × 10−11 cm3 s−1 (±10%) | 3.3 × 10−11 × exp(+55/T) | 1.1, 10 | (31) |
Yield of O2(b) from O(1D) + O2 | yO2b | 0.8 (±25%) | (31) | ||
O2(b, v = 0) + N2→O2 + N2 | kO2bN2 | 2.1 × 10−15 (±10%) | 1.8 × 10−15 × exp(+45/T) | 1.1, 100 | (31) |
O2(b, v = 0) + O2→O2 + O2 | kO2bO2 | 3.9 × 10−17 cm3 s−1 (±50%) | 1.5 | (31) | |
O2(b, v = 0) + O→products | kO2bO | 0/8.0 × 10−14 cm3 s−1 | (31) |
*The parameters f and g can be used to estimate the rate constant uncertainty from the expression: (T) = (298 K) × exp{abs[g × (1/T − 1/298)]}. The calculated uncertainty corresponds approximately to 1 SD (31).