Table B.3.
Modified sulfur reactions.
| Reaction | rtype (a) | α | β | γ | Remark |
|---|---|---|---|---|---|
| S2 + cr → S + S | 1 | 1.00e+02 | 0.0 | 0 | Based on (1), i.e. more stable than S2H |
| C3H2 + S+ → H + HC3S+ | 2 | 4.70e−09 | −0.45 | 0 | Table.B1.140 from (2) |
| CS + HCO+ → CO + HCS+ | 2 | 2.40e−09 | −0.45 | 0 | (3) |
| H+ + H2CS → H+H2CS+ | 2 | 2.50e−09 | −0.4 | 0 | Table.B1.10 from (2) |
| H+ + H2S → H + H2S+ | 2 | 6.71e−10 | −0.5 | 0 | Table.B1.4 from (2) |
| HNC + HS+ → H2CN+ + S | 2 | 7.70e−10 | 0.0 | 0 | Table.B1.191 from (2) |
| C + SO → CO + S | 7 | 1.00e−10 | 0.0 | 0 | Table.B1.50 from (2) |
| C + SO → CS + O | 7 | 1.00e−10 | 0.0 | 0 | Table.B1.50 from (2) |
| C2H + CS → C3S + H | 7 | 2.00e−10 | 0.0 | 0 | Table.B1.81 from (2) |
| CS + O → CO + S | 7 | 2.70e−10 | 0.0 | 760 | (4) |
| CS + OH → H + OCS | 7 | 1.70e−10 | 0.0 | 0 | (5) |
| H + H2S → H2 + HS | 7 | 7.00e−12 | 1.7 | 455 | Fit to 70–2000 K, (6) |
| HCS + O → H + OCS | 7 | 1.00e−10 | 0.0 | 0 | Table.B1.116 from (2) |
| HS + HS → H2S + S | 7 | 3.00e−11 | 0.0 | 2300 | (7) |
| O2 + S → O + SO | 7 | 2.10e−12 | 0.0 | 0 | (4) |
| O2 + SO → O + SO2 | 7 | 1.60e−13 | 0.0 | 2300 | (4) |
| CO + S → OCS + hν | 8 | 1.60e−17 | −1.5 | 1440 | (5) |
| e− + HSO+ → H + SO | 9 | 1.50e−07 | −0.5 | 0 | Table.B1.224 from (2) |
| e− + OCS+ → CO + S | 9 | 2.91e−07 | −0.62 | 0 | (8) |
| e− + OCS+ → CS + O | 9 | 4.90e−08 | −0.62 | 0 | (8) |
| OCS + hν → e− + OCS+ | 13 | 7.70e−10 | 2.86 | 3.85 | (9) |
 |
13 | 1.30e−10 | 2.36 | 3.27 | (9) |
| S2H + hν → e− + S2H+ | 13 | 3.00e−10 | 2.36 | 3.27 | Estimate, at least 2*S2 |
| SO + hν → O + S | 13 | 4.20e−09 | 1.94 | 2.76 | (9) |
| SO2 + hν → O + SO | 13 | 2.40e−09 | 1.94 | 2.78 | (9) |
| Hsurf + H2Ssurf → H2surf + HSsurf | 14 | 1.00e+00 | 0.0 | 1530 | Ea from (10) |
| Hsurf + OCSsurf → COsurf + HSsurf | 14 | 1.00e+00 | 0.0 | 1950 | Ea updated to match gas-phase |
| S2surf + cr → Ssurf + Ssurf | 17 | 1.00e+02 | 0.0 | 0 | Same as rtype=1 |
| OCSsurf + cr → COsurf + Ssurf | 18 | 1.20e+03 | 0.0 | 0 | (11) |
| OCSsurf + cr → CSsurf + Osurf | 18 | 2.40e+02 | 0.0 | 0 | (11) |
| H2Ssurf + hν → Hsurf + HSsurf | 19 | 6.50e−09 | 1.8 | 2.63 | (12) |
| S2surf + hν → Ssurf + Ssurf | 19 | 6.60e−10 | 1.28 | 1.9 | (9) |
| SOsurf + hν → Osurf + Ssurf | 19 | 4.20e−09 | 1.94 | 2.76 | (9) |
| SO2surf + hν → Osurf + SOsurf | 19 | 2.40e−09 | 1.94 | 2.78 | (9) |
| H2S2surf + hν → Hsurf + S2Hsurf | 20 | 1.10−10 | 0.0 | 2.5 | (1) |
| OCSsurf + hν → COsurf + Ssurf | 20 | 2.00e−10 | 0.0 | 2.71 | (11) |
| OCSsurf + hν → CSsurf + Osurf | 20 | 3.70e−11 | 0.0 | 2.71 | (11) |
| S2surf + hν → Ssurf + Ssurf | 20 | 7.00e−11 | 0.0 | 2.5 | (1) |
| S2Hsurf + hν → Hsurf + S2surf | 20 | 1.40e−11 | 0.0 | 2.5 | (1) |
Notes.
The “rtype” of each reaction can be used to look up their respective rate coefficient using the listing shown in Appendix B.1.
References. (1) Isoniemi et al. (1999); (2) Vidal et al. (2017); (3) Gronowski & Kołos (2014); (4) Atkinson et al. (2004); (5) Loison et al. (2012); (6) Peng et al. (1999); (7) Zhou et al. (2008); (8) Montaigne et al. (2005); (9) Heays et al. (2017); (10) Lamberts & Kästner (2017); (11) Ferrante et al. (2008); (12) Cruz-Diaz et al. (2014).
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