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Table 3
Unimolecular reaction rate constants.
| CH4 + OH | CD4 + OH | CH4 + OD | |
| TC = 323.5 K | TC = 240.2 K | TC = 323.1 K | |
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| T | k | k | k |
| (K) | (s-1) | (s-1) | (s-1) |
|
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| 300 | 2.18 ×109 | 2.19 ×109 | |
| 240 | 2.97 ×108 | 2.73 ×108 | |
| 230 | 3.26 ×107 | 1.78 ×108 | |
| 220 | 1.90 ×107 | 1.20 ×108 | |
| 200 | 6.10 ×107 | 5.93 ×106 | 5.07 ×107 |
| 190 | 3.19 ×106 | 3.32 ×107 | |
| 180 | 1.67 ×106 | 2.25 ×107 | |
| 170 | 8.57 ×105 | ||
| 160 | 4.32 ×105 | ||
| 150 | 2.17 ×105 | ||
| 140 | 2.53 ×106 | 1.64 ×106 | |
| 130 | 1.01 ×106 | 6.36 ×104 | 5.83 ×105 |
| 120 | 4.14 ×105 | 2.22 ×105 | |
| 110 | 1.82 ×105 | 1.12 ×104 | 8.07 ×104 |
| 100 | 6.94 ×104 | 2.81 ×103 | 2.96 ×104 |
| 95 | 4.94 ×104 | 1.51 ×103 | 1.75 ×104 |
| 90 | 3.22 ×104 | 8.37 ×102 | 1.03 ×104 |
| 85 | 2.06 ×104 | 4.74 ×102 | 6.01 ×103 |
| 80 | 1.34 ×104 | 2.73 ×102 | 3.51 ×103 |
| 75 | 8.91 ×103 | 1.63 ×102 | 1.99 ×103 |
| 70 | 5.86 ×103 | 9.93 ×101 | 1.11 ×103 |
| 65 | 3.88 ×103 | 6.29 ×101 | 6.08 ×102 |
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