Open Access
Table B.3
Fractionation reactions of TH00 (top) and R15 (bottom).
| Reaction | α | β | γ | Comment |
|---|---|---|---|---|
| ( cm3 s−1) | (K) | |||
| 15NN + N2H+ → N2 + N15NH+ | 1.00E–09 | 0.00E+00 | 0.00E+00 | |
| N2 + N15NH+ → 15NN + N2H+ | 2.00E–09 | 0.00E+00 | 1.07E+01 | |
| 15NN + N2H+ → N2 + 15NNH+ | 1.00E–09 | 0.00E+00 | 0.00E+00 | |
| N2 + 15NNH+ → 15NN + N2H+ | 2.00E–09 | 0.00E+00 | 2.25E+00 | |
| 15N+ + N2 → N+ + 15NN | 1.00E–09 | 0.00E+00 | 0.00E+00 | |
| N+ + 15NN → 15N+ + N2 | 5.00E–10 | 0.00E+00 | 2.83E+01 | |
| 15N+ + NO → N+ + 15NO | 1.00E–09 | 0.00E+00 | 0.00E+00 | |
| N+ + 15NO → 15N+ + NO | 1.00E–09 | 0.00E+00 | 2.43E+01 | |
| 15N + N2H+ → 15NNH+ + N | 1.00E–09 | 0.00E+00 | 0.00E+00 | |
| N + 15NNH+ → 15N + N2H+ | 1.00E–09 | 0.00E+00 | 3.61E+01 | |
| 15N + N2H+ → N15NH+ + N | 1.00E–09 | 0.00E+00 | 0.00E+00 | |
| N + N15NH+ → 15N + N2H+ | 1.00E–09 | 0.00E+00 | 2.77E+01 | |
| 15N + HCNH+ → N + HC15NH+ | 1.00E–09 | 0.00E+00 | 0.00E+00 | |
| N + HC15NH+ → 15N + HCNH+ | 1.00E–09 | 0.00E+00 | 3.59E+01 | |
| 15N + H2NC+ → N + H2 15NC+ | 1.00E–09 | 0.00E+00 | 0.00E+00 | (1) |
| N + H2 15NC+ → 15N + H2NC+ | 1.00E–09 | 0.00E+00 | 3.59E+01 | (1) |
| 15NN + N2H+ → N2 + N15NH+ | 2.30E–10 | 0.00E+00 | 0.00E+00 | |
| N2 + N15NH+ → 15NN + N2H+ | 4.60E–10 | 0.00E+00 | 1.03E+01 | |
| 15NN + N2H+ → N2 + 15NNH+ | 2.30E–10 | 0.00E+00 | 0.00E+00 | |
| N2 + 15NNH+ → 15NN + N2H+ | 4.60E–10 | 0.00E+00 | 2.10E+00 | |
| 15NN + 15NNH+ → 15NN + N15NH+ | 4.60E–10 | 0.00E+00 | 0.00E+00 | |
| 15NN + N15NH+ → 15NN + 15NNH+ | 4.60E–10 | 0.00E+00 | 8.10E+00 | |
| 15N+ + N2 → N+ + 15NN | 4.80E–10 | 0.00E+00 | 0.00E+00 | |
| N+ + 15NN → 15N+ + N2 | 2.40E–10 | 0.00E+00 | 2.83E+01 | |
| 15N + CN → N + C15N | 0.00E–10 | 1.667E–01 | 0.00E+00 | (2) |
| N + C15N → 15N + CN | 0.00E–10 | 1.667E–01 | 2.29E+01 | (2) |
| 15N + C2N+ → N + C215N+ | 3.80E–12 | -1.00E+00 | 0.00E+00 | |
| N + C215N+ → 15N + C2N+ | 3.80E–12 | -1.00E+00 | 3.81E+01 | |
Notes. The rate is computed as in Eq. (3. (1) Added for consistency with the UGAN network. (2) Our fiducial network does not take into account the possibility that CN + N could lead to isotopic exchange (see also Wirström & Charnley 2018).
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