Table 4
Rate coefficients of the main formation and destruction paths of HnO+.
| Reaction | k (cm3 s-1) | ΔT (K) |
|
|
||
| k 1 | 1.70 × 10-9 | 10–41 000 |
| k 3 | 2.10 × 10-9 | 10–41 000 |
| k 4 | 1.01 × 10-9 | 10–41 000 |
| k 5 | 6.40 × 10-10 | 10–41 000 |
| k 7 | 6.30 × 10-9 (T/300)-0.48 | –a |
| k 9 | 3.05 × 10-7 (T/300)-0.50 | 10–10 00 |
| k 10 | 8.60 × 10-8 (T/300)-0.50 | 10–10 00 |
|
|
||
| Reaction | k (s-1) | ΔT (K) |
|
|
||
| k 2 | 1.60 × 10-12 exp(−3.1AV) | 10–41 000 |
| k 6 | 1.00 × 10-9 exp(−1.7AV) | –b |
| k 8 | 1.10 × 10-11 exp(−3.5AV) | 10–41 000 |
Notes. Rates are based on the UMIST database (Woodall et al. 2007) unless otherwise noted. The photoreaction rates at the bottom are given for a standard Draine radiation field. The last column gives the temperature range over which the k-values are valid.
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