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Table 2
Crossover temperatures (Tc in K) and reaction rate-constants k (Tmin, in s−1) at the lowest temperature achieved in our calculations (Tmin in K), for the exothermic reactions starting from C2H2.
| Reaction | Tc (K) | Tmin (K) | k(Tmin) (s−1) |
|---|---|---|---|
| C2H2 + H → C2H3 | 207 | 35 | 2.2 × 104 |
| C2H2 + OH → C2H2OH | 80 | 30 | 7.3 × 101 |
| C2H2 + NH2 → C2H2NH2 | 123 | 30 | 8.6 × 10−7 |
| C2H2 + CH3 → C2H2CH3 | 136 | 30 | 2.7 × 10−14 |
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