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Table 2

Initial molar abundances of volatile molecules in the stellar nebula for all models.

Models CO:CO2 = 1:1 CO:CO2 = 5:1

Molecules X X/H2O (%) X/Ices* (%) X/H2 X/H2O (%) X/Ices* (%) X/H2
H2O 100 56.5 5.95 × 10-4 100 39 4.15 × 10-4
CO 20 11 1.19 × 10-4 100 39 4.1 × 10-4
CO2 20 11 1.19 × 10-4 20 7.78 8.19 × 10-5
CH4 6 3.4 3.57 × 10-5 6 2.3 2.46 × 10-5
H2S 2 1.13 1.19 × 10-5 2 0.778 8.19 × 10-6
N2 7 3.95 4.16 × 10-5 7 2.72 2.87 × 10-5
NH3 7 3.95 4.16 × 10-5 7 2.72 2.87 × 10-5
CH3OH 15 8.47 8.92 × 10-5 15 5.84 6.14 × 10-5

Notes.

(*)

Ices= H2O + CO + CO2 + CH4 + H2S + N2 + NH3 + CH3OH.

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