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Table 1
Isotopic exchange reactions.
| Label/ | Reaction | k f * | f(B,M) * | ΔE * | ||
| comment | (cm3 s-1) | (K) | ||||
|
|
||||||
| (1) A |
|
⇌ |
|
2.3 × 10-10 | 0.5 | 10.3 |
| (2) A |
|
⇌ |
|
2.3 × 10-10 | 0.5 | 2.1 |
| (3) A |
|
⇌ |
|
4.6 × 10-10 | 1 | 8.1 |
| (4) B |
|
⇌ |
|
4.8  |
2 | 28.3 |
| (5) C |
|
⇌ |
|
3.8  |
1 | 38.1 |
| (6) D |
|
⇌ |
|
no react | – | 24.3 |
| (7) barrier |
|
⇌ |
|
no react | – | 38.5 |
| (8) barrier |
|
⇌ |
|
no react | – | 30.4 |
| (9) barrier |
|
⇌ |
|
no react | – | 8.1 |
| (10) barrier |
|
⇌ |
|
no react | – | 37.1 |
| (11) D |
|
⇌ |
|
upper limit : 2.0 × 10-10× | 1 | 22.9 |
(T/300)1/6× |
||||||
| (12) B |
|
⇌ |
|
1.6 × 10-10 × (T/ 300)1 / 6 × | 1 | 26.7 |
|
||||||
| (13) D |
|
⇌ |
|
– | – | 24.3 |
|
|
||||||
| (14) B |
|
⇌ |
|
6.6 × 10-10 × (T/ 300)-0.45 | 1 | 34.7 |
× exp(−6.5 /T)
×
|
||||||
| (15) A |
|
⇌ |
|
2.6 × 10-10 × (T/ 300)-0.4 | 1 | 17.4 |
| (16) B |
|
⇌ |
|
3.82 × 10-9 × (T/ 300)-0.4 | 1 | 31.1 |
×
|
||||||
| (17) B |
|
⇌ |
|
3.0  |
1 | 31.1 |
| (18) C |
|
⇌ |
|
no react | – | 48.4 |
| (19) B |
|
⇌ |
|
3.0  |
2 | 26.4 |
| (19) barrier |
|
⇌ |
|
no react | – | 28.6 |
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