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Table 3

COMs considered in this study, with their binding energy Eb. In each category, the species are ranked by atomic mass.

Formula Name Eb/kB (K)
Hydrocarbons

CH3CCH Propyne 4000
C3H6 Propylene 3600

O-bearing COMs

CH3OH Methanol 5000
CH3CHO Acetaldehyde 5500
c-C2H4O Ethylene Oxide 5000
CH3OCH3 Dimethyl ether 4100
C2H5OH Ethanol 5500
C2H3CHO Propanal 5500
C2H5CHO Propionaldehyde 4500
CH3COCH3 Acetone 4100
HCOOCH3 Methyl formate 3500
CH3COOH Acetic acid 6000
HOCH2CHO Glycolaldehyde 5000a
C2H5OCH3 Ethyl methyl ether 5000
CH3OCH2OH Methoxymethanol 6000
HOC2H4OH Ethylene glycol 6000
HOCHCHCHO 3-hydroxypropenal 6000
CH3COCH2OH Hydroxyacetone 6000

N-bearing COMs

CH3CN Methyl cyanide 4100
CH3NC Methyl isocyanide 4000a
NH2CHO Formamide 6500
C2H3CN Vinyl Cyanide 3000
C2H5CN Ethyl cyanide 4400
CH3NCO Methyl isocyanate 4700
HOCH2CN Glycolonitrile 4000a

S-bearing COMs

CH3SH Methanethiol 4100

Notes. a Those values are estimations based on species with similar behaviors.

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