Open Access
Table F.1
Dominant processes in CN and HCN chemistry at 300 K.
| Molecule | Weak UV fields | Medium UV fields | Strong UV fields |
|---|---|---|---|
| (G0 = 10−3 − 10−1) | (G0 = 10−1 − 101) | (G0 = 101 − 106) | |
| Destruction | |||
| CN + H2 → H + HCN | O + CN → N + CO | CN + hν → C + N | |
| CN + H2 → H + HCN | CN + H2 → H + HCN | ||
| CN + hν → C + N | |||
| CN | Production | ||
| HCN + hν → H + CN | CNC+ + e− → C + CN | H + CN+ → CN + H+ | |
| CNC+ + e− → C + CN | H + CN+ → CN + H+ | N + CH → H + CN | |
| HCNH+ + e− → H + H+ CN | HCN + hν → H + CN | HCN + hν → H + CN | |
| Destruction | |||
| HCN + hν → H + CN | HCN + C+ → H + CNC+ | HCN + hν → H + CN | |
| HCN + C+ → H + CNC+ | HCN + hν → H + CN | HCN + C+ → H + CNC+ | |
| HCN + H3O+ → H2O + HCNH+ | |||
| HCN | Production | ||
| CN + H2 → H + HCN | H + CCN → C + HCN | HCNH+ + e− → H + HCN | |
| H + CCN → C + HCN | CN + H2 → H + HCN | H + CCN → C + HCN | |
| HCNH+ + e− → H + HCN | N + CH2 → H + HCN | ||
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