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Table 3

Top 25 of the initially abundant molecules (relative to total H) for the AFGL 2591 chemical modeling.

Species Abundances Species Abundances
lm model with C/O = 0.44
p-H2 3.77 × 10-1 CH 3.64 × 10-6
o-H2 1.23 × 10-1 N 1.76 × 10-6
He 9.75 × 10-2 H∗ 6.03 × 10-7
H 5.25 × 10-4 C3H 4.48 × 10-7
H2O∗ 5.53 × 10-5 OH 3.43 × 10-7
CO∗ 4.05 × 10-5 H2O 2.79 × 10-7
CO 3.26 × 10-5 HNO∗ 2.40 × 10-7
O2 1.79 × 10-5 NO 2.22 × 10-7
HD 1.52 × 10-5 N 1.36 × 10-7
N2 7.39 × 10-6 HDO∗ 1.35 × 10-7
NH 5.64 × 10-6 CO2 1.32 × 10-7
O 5.59 × 10-6 CO 1.19 × 10-7
O 4.12 × 10-6
d11c model with C/O = 1.21
o-H2 3.06 × 10-1 C2H6* 6.92 × 10-6
p-H2 1.93 × 10-1 N2 6.07 × 10-6
He 9.00 × 10-2 H2CO* 5.76 × 10-6
CO2* 3.11 × 10-5 HCN* 4.87 × 10-6
CH4* 3.05 × 10-5 CO* 4.45 × 10-6
H 2.57 × 10-5 HNC* 1.79 × 10-6
CH3OH* 2.57 × 10-5 CH5N* 1.28 × 10-6
NH3 2.39 × 10-5 C3 9.27 × 10-7
H2O* 2.30 × 10-5 HNCO* 5.64 × 10-7
CO 1.69 × 10-5 CH3D* 4.11 × 10-7
HD 1.42 × 10-5 CH4 2.82 × 10-7
N2* 7.91 × 10-6 N 2.82 × 10-7
C3H4* 7.89 × 10-6
h11 model with C/O = 1.13
p-H2 3.97 × 10-1 C2H6* 6.90 × 10-6
o-H2 1.01 × 10-1 H2CO* 6.02 × 10-6
He 9.00 × 10-2 N2 5.95 × 10-6
CO2* 3.45 × 10-5 HCN∗ 5.06 × 10-6
CH4* 2.91 × 10-5 CO∗ 4.86 × 10-6
H 2.59 × 10-5 HNC∗ 1.81 × 10-6
H2O 2.57 × 10-5 CH5N* 1.31 × 10-6
CH3OH* 2.44 × 10-5 C3 8.03 × 10-7
NH3* 2.42 × 10-5 HNCO* 6.47 × 10-7
CO 1.76 × 10-5 CH3D* 3.97 × 10-7
HD 1.37 × 10-5 N 3.63 × 10-7
N2* 7.71 × 10-6 O 3.57 × 10-7
C3H4* 7.40 × 10-6

Notes.

(*)

Denotes frozen species.

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