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Table 3
The 50 most critical reactions according to their global Spearman correlation coefficient.
| Reaction i | Error |  |
Ci |
|||||
|---|---|---|---|---|---|---|---|---|
| WASP-33b | HD 209458b | HD 189733b | WASP-39b | GJ436b | GJ 1214b | |||
| Chemical reactions |
||||||||
| S + H2 + M → H2S + M | C | 60.65 | – | 6.30 | 19.67 | 17.69 | 14.65 | 2.34 |
| H + H + M → H2 + M | A | 57.37 | 10.43 | 18.37 | 5.88 | 22.70 | – | – |
| S + OH → SO + H | B | 29.50 | 0.31 | 0.88 | 2.99 | 15.76 | 7.30 | 2.27 |
| NS + NH2 → H2S + N2 | C | 27.63 | – | 7.16 | 1.47 | 9.78 | 4.62 | 4.61 |
| Si + O + M → SiO + M | C | 15.40 | 12.33 | – | – | 3.07 | – | – |
| NH + N + M → N2H + M | C | 14.88 | 14.54 | – | – | 0.34 | – | – |
| P + PH → P2 + H | B | 11.49 | – | 0.42 | 2.14 | – | 4.24 | 4.69 |
| N2H3 + M → N2H2 + H + M | C | 10.63 | – | 2.71 | 3.40 | 1.94 | 2.58 | – |
| N + NH3 → N2H + H2 | C | 9.92 | – | 5.35 | 2.30 | 2.27 | – | – |
| SiS + O → SiO + S | B | 9.08 | – | 5.04 | 0.39 | 3.65 | – | – |
| S + SH → S2 + H | B | 8.73 | – | 0.73 | 2.42 | 0.45 | 3.25 | 1.88 |
| PH + H2 + M → PH3 + M | C | 7.90 | – | – | – | – | 4.40 | 3.50 |
| S2 + H + M → HS2 + M | C | 7.83 | – | – | – | – | 7.11 | 0.72 |
| Si + S + M → SiS + M | C | 7.53 | 5.36 | – | – | 2.17 | – | – |
| OH + H2 → H + H2O | A | 6.61 | – | – | 3.95 | – | 2.66 | – |
| Si + CO → SiO + C | B | 6.28 | 5.79 | – | 0.50 | – | – | – |
| S + CH3 → H2CS + H | C | 6.16 | – | 0.50 | 2.69 | – | 1.17 | 1.80 |
| OH + CO → CO2 + H | A | 5.82 | – | 0.38 | 0.64 | – | 2.11 | 2.69 |
| P + PO2 → PO + PO | C | 5.19 | – | – | – | – | 2.95 | 2.23 |
| CH3O + CO → CO2 + CH3 | A | 5.12 | – | – | – | – | – | 5.12 |
| HNC + OH → HNCO + H | B | 5.04 | – | – | 2.34 | – | 1.17 | 1.53 |
| H2S2 + H → H2S + SH | B | 4.56 | – | – | – | – | 1.99 | 2.57 |
| HCS + H → CS + H2 | C | 4.54 | – | – | – | – | 2.12 | 2.41 |
| PO + N → PN + O | B | 4.48 | – | 0.32 | 1.24 | 0.45 | 1.42 | 1.05 |
| SiO + O + M → SiO2 + M | C | 4.44 | 0.95 | 0.92 | 1.17 | 1.41 | – | – |
| CS + OH → OCS + H | B | 4.44 | – | 0.39 | 2.39 | – | 0.83 | 0.83 |
| HCP + O → PH + CO | C | 4.33 | – | 0.66 | 0.75 | 0.92 | 1.00 | 1.00 |
| Si + H2S → SiS + H2 | B | 4.28 | – | 2.00 | 2.27 | – | – | – |
| S + OCS → S2 + CO | A | 3.67 | – | – | – | – | 0.39 | 3.28 |
| Ti + O + M → TiO + M | C | 3.63 | 1.91 | 0.83 | – | 0.89 | – | – |
| TiO + O + M → TiO2 + M | C | 3.54 | 0.79 | 0.78 | 0.78 | 1.19 | – | – |
| TiO + OH → TiO2 + H | B | 3.52 | 0.50 | 0.50 | 1.48 | 1.04 | – | – |
| Si + CO2 → SiO + CO | B | 3.46 | – | – | 3.46 | – | – | – |
| P + OH → PO + H | B | 3.45 | – | 1.27 | 1.80 | 0.38 | – | – |
| S + NH → NS + H | C | 3.28 | – | – | – | – | 1.04 | 2.24 |
|
Photoreactions |
||||||||
| H2O + hν → OH + H | A | 55.37 | – | 20.40 | 16.51 | – | 8.82 | 9.63 |
| → O(1D) + H2 | A | 55.37 | – | 20.40 | 16.51 | – | 8.82 | 9.63 |
| →O+H+H | A | 55.37 | – | 20.40 | 16.51 | – | 8.82 | 9.63 |
| S2 + hν → S + S | A | 42.07 | – | 3.83 | 2.81 | 6.34 | 6.43 | 22.66 |
| SH + hν → S + H | A | 31.02 | 0.31 | 17.16 | 2.22 | 11.33 | – | – |
| SO + hν → S + O | A | 22.02 | – | 0.42 | 0.38 | 20.34 | 0.40 | 0.48 |
| P2 + hν → P + P | C | 16.61 | – | 1.89 | 3.77 | 0.36 | 5.36 | 5.23 |
| PH2 + hν → PH + H | C | 16.22 | – | 8.15 | 8.07 | – | – | – |
| SiS + hν → Si + S | C | 15.69 | 0.70 | 6.84 | 6.69 | 1.46 | – | – |
| CH + hν → C + H | B | 13.79 | 13.49 | 0.30 | – | – | – | – |
| TiO + hν → Ti + O | C | 12.73 | 1.60 | 3.32 | 3.62 | 4.19 | – | – |
| PN + hν → P + N | C | 11.47 | 0.67 | 2.99 | 3.75 | 1.48 | 2.21 | 0.37 |
| SiH + hν → Si + H | B | 10.78 | 10.21 | 0.57 | – | – | – | – |
| OH + hν → O + H | A | 9.99 | – | 9.99 | – | – | – | – |
| → O(1D) + H | A | 9.99 | – | 9.99 | – | – | – | – |
| SiO + hν → Si + O | B | 9.79 | – | 3.41 | 6.02 | 0.36 | – | – |
| PO + hν → P + O | C | 3.89 | – | 1.36 | 0.86 | 0.93 | 0.40 | 0.33 |
| TiO2 + hν → TiO + O | C | 3.83 | – | 0.90 | 1.43 | 1.50 | – | – |
Notes. The term 
stands for the sum of C over the six planets, where C′ is the global correlation coefficient of reaction i, see Eq. (4).
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