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Table 7
Dependence of the fractionation ratios on the o/p ratio of H2 for model (b) at steady state.
| OPR = 10-4 | OPR = 10-3 | OPR = 10-2 | |
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| Electronic fraction | 2.2 × 10-8 | 1.7 × 10-8 | 1.1 × 10-8 |
| N/15N | 457 | 455 | 445 |
| 2 × N2/15NN | 436 | 437 | 438 |
| NH/15NH | 425 | 421 | 418 |
| NH/ND | 9 | 9 | 11 |
| NH3/15NH3 | 396 | 387 | 416 |
| NH2D/15NH2D | 322 | 336 | 376 |
| NH3/NH2D | 11 | 18 | 33 |
| N2H+/N15NH+ | 425 | 423 | 417 |
| N2H+/15NNH+ | 434 | 433 | 433 |
| N2H+/N2D+ | 8.7 | 8.6 | 9.7 |
| CN/13CN | 65 | 63 | 60 |
| CN/C15N | 449 | 445 | 438 |
| HCN/H13CN | 115 | 114 | 107 |
| HCN/HC15N | 467 | 453 | 458 |
| HCN/DCN | 25 | 22 | 18 |
| HNC/HN13C | 120 | 121 | 118 |
| HNC/H15NC | 461 | 446 | 453 |
| HNC/DNC | 19 | 16 | 12 |
| HCO+/H13CO+ | 58 | 56 | 51 |
| HCO+/DCO+ | 8.6 | 8.4 | 9.4 |
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