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Table D.1

Gas and solid species in the network.

12 elements H, He, C, N, O, Ne, Na, Mg, Si, S, Ar, Fe
(H) H, H+, H, H2, H, H, H 7
(He) He, He+, 2
(C–H) C, C+, C++, CH, CH+, CH2, CH, CH3, CH, CH4, CH, CH, 12
(C–N) CN, CN+, HCN, HCN+, HCNH+ 5
(C–O) CO, CO+, HCO, HCO+, CO2, CO, HCO, 7
(N–H) N, N+, N++, NH, NH+, NH2, NH, NH3, NH, NH 9
(N–N) N2, N, HN, 3
(N–O) NO, NO+, 2
(O–H) O, O+, O++, OH, OH+, H2O, H2O+, H3O+, 8
(O–O) O2, O, 2
(O–S) SO, SO+, SO2, SO, HSO 5
(S–H) S, S+, S++, 3
(Si–H) Si, Si+, Si++, SiH, SiH+, SiH, 6
(Si–O) SiO, SiO+, SiOH+, 3
(Na) Na, Na+, Na++, 3
(Mg) Mg, Mg+, Mg++, 3
(Fe) Fe, Fe+, Fe++, 3
(Ne) Ne, Ne+, Ne++, 3
(Ar) Ar, Ar+, Ar++, 3
ice CO#, H2O#, CO2#, CH4#, NH3#, SiO#, SO2#, O2#, HCN#, N2#, 10

Additional elements PAH, * 2
Additional species H#, H2#, *H#, D, D+, D-, HD, D#, HD#, *D#, H2D+, HDO, HDO#, PAH, PAH, PAH+, PAH#, PAH-H, PAH-H+, PAH-H#, PAHD, PAH-D#, PAH-D+ 23

Species Total 123

Notes. Closed-shell molecules are indicated in bold font, ices are indicated by a trailing #, and chemisorbed species are lead by a * sign. CH2 is a reactive closed-shell species.

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