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Table 4
Key reactions responsible for HNC (top) and HCN (bottom) abundance uncertainties at 1000 km and 600 km.
| Reaction | F | g | RCC | |||
| at 1300 km | at 1000 km | at 600 km | ||||
|
|
||||||
| HNC + H → HCN + H | 10.0 | 100 | 0.25 | –0.41 | –0.95 | |
| H2CN + H → HCN + H2 | 2.0 | 14 | 0.39 | –0.40 | –0.12 | |
| H2CN + H → HNC + H2 | 3.0 | 14 | 0.77 | 0.71 | 0.18 | |
| N(2D) + HNC → CN2 + H | 10.0 | 0 | –0.18 | –0.12 | – | |
| N(2D) + HNC → CH + N2 | 10.0 | 0 | –0.16 | –0.11 | – | |
|
|
||||||
| N2 + hν → N(2D) + N(4S) | – | – | 0.20 | |||
| N(2D) + CH4 → CH2NH + H | 1.6 | 7 | – | 0.12 | 0.17 | |
| HCN + CH → C2N + H2 | 3.0 | 7 | – | – | –0.15 | |
| H2CN + H → HCN + H2 | 2.0 | 14 | 0.28 | 0.29 | 0.16 | |
| H2CN + H → HNC + H2 | 3.0 | 14 | –0.17 | –0.19 | – | |
| N(2D) + HCN → CH + N2 | 10.0 | 0 | –0.85 | –0.83 | –0.78 | |
Notes. Only reactions with RCCs greater than 0.15 are given.
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