Table 7. Rate Constants for C2H + HX → C2H2 + X Abstractions in cm3 molecule–1 s–1.
| T (K) | HNCO | trans-HONO | C2H4 |
|---|---|---|---|
| 50 | 3.93 × 10–16 | 6.20 × 10–18 | 2.45 × 10–14 |
| 100 | 1.06 × 10–15 | 8.39 × 10–18 | 1.07 × 10–13 |
| 150 | 3.22 × 10–15 | 1.66 × 10–17 | 2.67 × 10–13 |
| 175 | 5.33 × 10–15 | 2.46 × 10–17 | 3.77 × 10–13 |
| 200 | 8.41 × 10–15 | 3.66 × 10–17 | 5.07 × 10–13 |
| 225 | 1.27 × 10–14 | 5.44 × 10–17 | 6.57 × 10–13 |
| 250 | 1.84 × 10–14 | 8.02 × 10–17 | 8.29 × 10–13 |
| 275 | 2.57 × 10–14 | 1.17 × 10–16 | 1.02 × 10–12 |
| 295 | 3.29 × 10–14 | 1.56 × 10–16 | 1.19 × 10–12 |
| 298 | 3.40 × 10–14 | 1.62 × 10–16 | 1.22 × 10–12 |
| 300 | 3.48 × 10–14 | 1.67 × 10–16 | 1.24 × 10–12 |
| 325 | 4.61 × 10–14 | 2.34 × 10–16 | 1.48 × 10–12 |
| 350 | 5.95 × 10–14 | 3.22 × 10–16 | 1.74 × 10–12 |
| 375 | 7.55 × 10–14 | 4.35 × 10–16 | 2.03 × 10–12 |
| 400 | 9.40 × 10–14 | 5.76 × 10–16 | 2.35 × 10–12 |
| 500 | 1.99 × 10–13 | 1.52 × 10–15 | 3.90 × 10–12 |
| 1000 | 1.88 × 10–12 | 2.58 × 10–14 | 2.10 × 10–11 |
| 1500 | 6.78 × 10–12 | 1.17 × 10–13 | 6.03 × 10–11 |
| 2000 | 1.66 × 10–11 | 3.23 × 10–13 | 1.29 × 10–10 |
| 3000 | 5.68 × 10–11 | 1.25 × 10–12 | 3.82 × 10–10 |
| 4000 | 1.32 × 10–10 | 3.10 × 10–12 | 8.19 × 10–10 |
| 5000 | 2.51 × 10–10 | 6.10 × 10–12 | 1.47 × 10–9 |