Open Access

Table A.1

Reaction rate network.

no. Reaction ∆ Hr (0 K) Rate k Reference
185 Al + MgO → AlO + Mg −241 3.96(−10)(T/300)−0.14 exp(6.5/T) RRKM
186 AlO + Mg → Al + MgO 241 1.07(−09)(T/300)−0.05 exp(−25732/T) RRKM
187 AlOH + Mg → AlOMg + H 157 5.32(−10)(T/300)0.20 exp(−18539.8/T) RRKM
188 AlOMg + H → AlOH + Mg −157 2.50(−10)(T/300)−0.28 exp(5.8/T) RRKM
189 AlO + Mg+ H2 → AlOMg + H2 −326 5.32(−30)(T/300)−3.42 exp(−0.9/T) RRKM
190 AlOMg + H2 → AlO + Mg + H2 326 4.13(+07)(T/300)−4.23 exp(−39765.2/T) RRKM
191 CaO + Al → AlO + Ca −84 3.24(−10)(T/300)−0.20 exp(6.4/T) RRKM
192 AlO + Ca → CaO + Al 84 4.99(−10)(T/300)−0.14 exp(−18766.4/T) RRKM
193 AlOH + Ca → AlOCa + H 114(1) 1.56(−10)(T/300)2.02 exp(−13826.3/T) RRKM
194 AlOCa + H → AlOH + Ca −1141 1.03(−12)(T/300)−0.93 exp(−425.5/T) RRKM
195 AlO + Ca + H2 → AlOCa + H2 −3581 1.51(−31)(T/300)−3.42 exp(−0.9/T) RRKM
196 AlOCa + H2 → AlO + Ca + H2 3581 3.56(+05)(T/300)−4.28 exp(−43580.3/T) RRKM
197 Al2O2 + OH + H2 → Al2O3H + H2 −493 4.52(−26)(T/300)−8.63 MESMER calculation
198 Al2O3H + H2 → Al2O2 + OH + H2 493 6.47(−6)exp(−46090/T) MESMER calculation
199 Al2O3H + OH → Al2O4H + H −10 1.01(−10)(T/300)0.38 MESMER calculation
200 Al2O4H + H → Al2O3H + OH 10 1.83(−9)(T/300)0.09 MESMER calculation
201 Mg + Al2O4H → MgAl2O4 + H −11 3.10(−11)(T/300)−0.19 MESMER calculation
202 MgAl2O4 + H → Mg + Al2O4H 11 2.27(−9)(T/300)0.16 MESMER calculation
203 Al2O2 + H2O + H2 → Al2O3H2 + H2 −330 7.59(−26)(T/300)−9.58 MESMER calculation
204 Al2O3H2 +H2 → Al2O2 + H2O + H2 330 5.35(−8)exp(−23987/T) MESMER calculation
205 Al2O3H2 + OH → Al2O4H2 + H −201 1.02(−9)(T/300)−0.65 MESMER calculation
206 Al2O4H2 + H → Al2O3H2 + OH 201 1.73(−5)(T/300)−1.74 exp(−23791.4/T) Detailed balance
207 Ca + Al2O4H2 → CaAl2O4 + H2 −94 1.72(−13)(T/300)exp(−3755/T) MESMER calculation
208 CaAl2O4 + H2 → Ca + Al2O4H2 94 4.93(−12)exp(−7370/T) MESMER calculation
209 Ca + Al2O2 + M → CaAl2O2 + M −193 3.06(−28)(T/300)−8.09 0.0 MESMER calculation
210 CaAl2O2 + M → Ca + Al2O2 + M 193 6.11(−11)exp(−20576/T) MESMER calculation
211 CaAl2O2 + OH → CaAl2O3 + H −270 1.23(−9)(T/300)0.14 MESMER calculation
212 CaAl2O3 + H → CaAl2O2 + OH 270 4.98(−7)exp(−31331/T) Detailed balance
213 CaAl2O3 + OH → CaAl2O4 + H −179 8.30(−10)(T/300)−0.70 MESMER calculation
214 CaAl2O4 + H → CaAl2O3 + OH 179 2.20(−6)exp(−19484.1/T) Detailed balance
215 CaAl2O4 + SiO + M → CaAl2O4SiO + M −492 2.81(−26)(T/300)−14.59 MESMER calculation
216 CaAl2O4SiO + M → CaAl2O4 + SiO + M 492 2.84(−7)exp(−25587/T) MESMER calculation
217 CaAl2O4 + H2O + M → CaAl2O3(OH)2 + M −318 2.76(−26)(T/300)−15.06 MESMER calculation
218 CaAl2O3(OH)2 + M → CaAl2O4 + H2O + M 318 5.10(−9)exp(−15442/T) MESMER calculation
219 CaAl2O4 + AlO + M → CaAl3O5 + M −489 4.05(−24)(T/300)−13.29 MESMER calculation
220 CaAl3O5 + M → CaAl2O4 + AlO + M 489 3.17(−5)exp(−38785/T) MESMER calculation

Notes. The table lists: (1) the reaction number, (2) the reaction, (3) the CBS-QB3 heat of reaction (enthalpy) at T = 0 K, (4) the reaction rate with the pre-exponential rate constant A given as a(−b) = a × 10b (for bimolecular reactions in units of cm3 s−1, for termolecular reactions in units of cm6 s−1), and (5) the reference or method of calculation. Reactions 1-166 are adopted from Gobrecht et al. (2022) and reaction 167-184 from Decin et al. (2018). (1)calculated at the CCSD/cc-pVTZ level

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