Development of a C/H/O/N/S chemical network: Experimental benchmark, application to exoplanets, and identification of key C/S coupling pathways

Open Access

Table 1

All sulfur experimental data used for mechanism validation.

N°	Fuel	λ	T	Measured species	Reference
1	H₂S	4	400–1200	H₂, H₂O, H₂S, O₂, SO₂	Stagni et al. (2022)
2		Pyrolysis	900–1600	H₂S, H₂
3	CH₃SH	0.01	700–1400	CH₃SH, CH₄, CO, CO₂, CS₂, H₂, H₂S, O₂, SO₂	Alzueta et al. (2019)
4		0.99
5		5.08
6	(+5%H₂O)	0.34
7	CS₂	0.7	700–1100	CS₂, SO₂, CO, OCS	Zeng et al. (2019)
8	1
9	1.3
10	OCS	1.3	500–1300	OCS, SO₂, CO	Zeng et al. (2021)
11		1
12		0.7
13	CS₂ + H₂O	0.2	500–1400	CS₂, CO, CO₂, SO₂	Abián et al. (2015)
14		1.0
15		20
16	OCS + H₂O	0.2	600–1400	OCS, CO, CO₂, SO₂
17		1
18		20

Notes. The air-to-fuel equivalence ratio is given by λ, and T is the temperature range in K. Measurements from conditions 1–6 and 13–18 were performed in a flow reactor, and 7–12 were performed in a jet-stirred reactor. All experiments were performed at atmospheric pressure.

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