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Table 2.
Initial chemical abundances.
| Species | Abundance | Species | Abundance |
|---|---|---|---|
| n(X) / n(H) | n(X) / n(H) | ||
| ortho-H2 | 0.375 | CH4 ice | 1.8 × 10−5 |
| para-H2 | 0.125 | CO ice | 6.0 × 10−5 |
| HD | 1.55 × 10−5 | CH3OH ice | 4.5 × 10−5 |
| H | 5.0 × 10−7 | CO2 ice | 6.0 × 10−5 |
| He | 0.098 | CH4 ice | 1.8 × 10−5 |
| Cl | 1.0 × 10−9 | H2O ice | 3.0 × 10−4 |
| Si | 8.0 × 10−9 | H2S ice | 6.6 × 10−6 |
| Fe | 3.0 × 10−9 | N2 ice | 2.1 × 10−5 |
| Mg | 7.0 × 10−9 | NH3 ice | 2.1 × 10−5 |
| Na | 2.0 × 10−9 | P | 2.0 × 10−10 |
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