H₂S

Hydrogen sulphide
Flags: Detected, RATE12
Empirical: H₂S
Mass: 34 amu
Dipole moment: 0.970 D
Heat of formation: -17.6 kJ mol^-1
Added to system: 2003-04-28 18:00:49

Reactions: Formation | Destruction

45 H₂S formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	H₂S⁺ + Fe → Fe⁺ + H₂S	1.80e-9	0.00	0.00	10 - 41000
2	HCO + H₂S⁺ → H₂S + HCO⁺	7.00e-10	-0.50	0.00	10 - 41000
3	Mg + H₂S⁺ → H₂S + Mg⁺	2.80e-9	0.00	0.00	10 - 41000
4	NH₃ + H₂S⁺ → H₂S + NH₃⁺	3.40e-10	-0.50	0.00	10 - 41000
5	NO + H₂S⁺ → H₂S + NO⁺	3.70e-10	0.00	0.00	10 - 41000
6	Na + H₂S⁺ → H₂S + Na⁺	2.50e-9	0.00	0.00	10 - 41000
7	S + H₂S⁺ → H₂S + S⁺	1.10e-9	0.00	0.00	10 - 41000
8	Si + H₂S⁺ → H₂S + Si⁺	1.60e-9	0.00	0.00	10 - 41000
9	H₃S⁺ + e^- → H₂S + H	4.76e-8	-0.86	0.00	10 - 1000
10	H₂CO + H₃S⁺ → H₂S + H₃CO⁺	2.20e-9	-0.50	0.00	10 - 41000
11	H₂O + HSiS⁺ → SiOH⁺ + H₂S	1.10e-9	-0.50	0.00	10 - 41000
12	HCN + H₃S⁺ → H₂S + HCNH⁺	1.50e-9	-0.50	0.00	10 - 41000
13	HNC + H₃S⁺ → H₂S + HCNH⁺	1.50e-9	-0.50	0.00	10 - 41000
14	NH₃ + H₃S⁺ → H₂S + NH₄⁺	1.90e-9	-0.50	0.00	10 - 41000
15	C^- + H₂S⁺ → C + H₂S	7.51e-8	-0.50	0.00	10 - 41000
16	C₁₀^- + H₂S⁺ → C₁₀ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
17	C₁₀H^- + H₂S⁺ → C₁₀H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
18	C₂^- + H₂S⁺ → C₂ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
19	C₂H^- + H₂S⁺ → C₂H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
20	C₃^- + H₂S⁺ → C₃ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
21	C₃H^- + H₂S⁺ → C₃H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
22	C₃N^- + H₂S⁺ → C₃N + H₂S	7.51e-8	-0.50	0.00	10 - 41000
23	C₄^- + H₂S⁺ → C₄ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
24	C₄H^- + H₂S⁺ → C₄H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
25	C₅^- + H₂S⁺ → C₅ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
26	C₅H^- + H₂S⁺ → C₅H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
27	C₅N^- + H₂S⁺ → C₅N + H₂S	7.51e-8	-0.50	0.00	10 - 41000
28	C₆^- + H₂S⁺ → C₆ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
29	C₆H^- + H₂S⁺ → C₆H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
30	C₇^- + H₂S⁺ → C₇ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
31	C₇H^- + H₂S⁺ → C₇H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
32	C₈^- + H₂S⁺ → C₈ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
33	C₈H^- + H₂S⁺ → C₈H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
34	C₉^- + H₂S⁺ → C₉ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
35	C₉H^- + H₂S⁺ → C₉H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
36	CH^- + H₂S⁺ → CH + H₂S	7.51e-8	-0.50	0.00	10 - 41000
37	CN^- + H₂S⁺ → CN + H₂S	7.51e-8	-0.50	0.00	10 - 41000
38	H^- + H₂S⁺ → H + H₂S	7.51e-8	-0.50	0.00	10 - 41000
39	O^- + H₂S⁺ → O + H₂S	7.51e-8	-0.50	0.00	10 - 41000
40	O₂^- + H₂S⁺ → O₂ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
41	OH^- + H₂S⁺ → OH + H₂S	7.51e-8	-0.50	0.00	10 - 41000
42	S^- + H₂S⁺ → S + H₂S	7.51e-8	-0.50	0.00	10 - 41000
43	H₂ + HS → H₂S + H	6.52e-12	0.09	8050.00	268 - 300
44	HS + HS → H₂S + S	1.30e-11	0.00	0.00	293 - 2500
45	H₂S⁺ + e^- → H₂S + PHOTON	1.10e-10	-0.70	0.00	10 - 300

	Reaction	α	β	γ	T_l - T_u (K)
1	C⁺ + H₂S → H₂S⁺ + C	6.00e-10	-0.50	0.00	10 - 41000
2	C₂H₂⁺ + H₂S → H₂S⁺ + C₂H₂	2.20e-9	-0.50	0.00	10 - 41000
3	C₂H₄⁺ + H₂S → H₂S⁺ + C₂H₄	6.57e-10	-0.50	0.00	10 - 41000
4	CH₃CH₃⁺ + H₂S → H₂S⁺ + CH₃CH₃	1.98e-9	-0.50	0.00	10 - 41000
5	CH₄⁺ + H₂S → H₂S⁺ + CH₄	9.45e-10	-0.50	0.00	10 - 41000
6	CO⁺ + H₂S → H₂S⁺ + CO	2.44e-9	-0.50	0.00	10 - 41000
7	H⁺ + H₂S → H₂S⁺ + H	5.28e-9	-0.50	0.00	10 - 41000
8	H₂⁺ + H₂S → H₂S⁺ + H₂	2.70e-9	-0.50	0.00	10 - 41000
9	H₂O⁺ + H₂S → H₂S⁺ + H₂O	9.72e-10	-0.50	0.00	10 - 41000
10	H₂S + CO₂⁺ → CO₂ + H₂S⁺	1.40e-9	-0.50	0.00	10 - 41000
11	H₂S + N₂O⁺ → H₂S⁺ + N₂O	8.45e-10	-0.50	0.00	10 - 41000
12	H₂S + OCS⁺ → H₂S⁺ + OCS	1.40e-9	-0.50	0.00	10 - 41000
13	He⁺ + H₂S → H₂S⁺ + He	3.08e-10	-0.50	0.00	10 - 41000
14	N⁺ + H₂S → H₂S⁺ + N	1.06e-9	-0.50	0.00	10 - 41000
15	N₂⁺ + H₂S → H₂S⁺ + N₂	1.50e-10	-0.50	0.00	10 - 41000
16	NH₂⁺ + H₂S → H₂S⁺ + NH₂	7.20e-10	-0.50	0.00	10 - 41000
17	O⁺ + H₂S → H₂S⁺ + O	1.36e-9	-0.50	0.00	10 - 41000
18	O₂⁺ + H₂S → H₂S⁺ + O₂	1.40e-9	-0.50	0.00	10 - 41000
19	OH⁺ + H₂S → H₂S⁺ + OH	1.23e-9	-0.50	0.00	10 - 41000
20	P⁺ + H₂S → H₂S⁺ + P	4.34e-10	-0.50	0.00	10 - 41000
21	H₂S + CRPHOT → H₂S⁺ + e^-	1.30e-17	0.00	848.00	10 - 41000
22	H₂S + CRPHOT → S + H₂	1.30e-17	0.00	2577.00	10 - 41000
23	C⁺ + H₂S → HCS⁺ + H	1.40e-9	-0.50	0.00	10 - 41000
24	C₂H₂⁺ + H₂S → H₃S⁺ + C₂H	4.60e-11	-0.50	0.00	10 - 41000
25	C₂H₂⁺ + H₂S → HS + C₂H₃⁺	4.60e-11	-0.50	0.00	10 - 41000
26	C₂H₃⁺ + H₂S → H₃S⁺ + C₂H₂	8.40e-10	-0.50	0.00	10 - 41000
27	C₂H₄⁺ + H₂S → H₂CS⁺ + CH₄	7.42e-11	-0.50	0.00	10 - 41000
28	C₂H₄⁺ + H₂S → H₃CS⁺ + CH₃	3.29e-10	-0.50	0.00	10 - 41000
29	C₂H₅⁺ + H₂S → H₃S⁺ + C₂H₄	6.70e-10	-0.50	0.00	10 - 41000
30	CH⁺ + H₂S → H₃S⁺ + C	6.30e-10	-0.50	0.00	10 - 41000
31	CH⁺ + H₂S → HCS⁺ + H₂	1.47e-9	-0.50	0.00	10 - 41000
32	CH₂⁺ + H₂S → H₃CS⁺ + H	1.84e-9	-0.50	0.00	10 - 41000
33	CH₂⁺ + H₂S → H₃S⁺ + CH	2.30e-10	-0.50	0.00	10 - 41000
34	CH₂⁺ + H₂S → HCS⁺ + H₂ + H	2.30e-10	-0.50	0.00	10 - 41000
35	CH₃⁺ + H₂S → H₃CS⁺ + H₂	1.30e-9	-0.50	0.00	10 - 41000
36	CH₃CH₃⁺ + H₂S → H₃S⁺ + C₂H₅	8.90e-10	-0.50	0.00	10 - 41000
37	CH₄⁺ + H₂S → H₃S⁺ + CH₃	1.16e-9	-0.50	0.00	10 - 41000
38	CH₅⁺ + H₂S → H₃S⁺ + CH₄	1.50e-9	-0.50	0.00	10 - 41000
39	CO⁺ + H₂S → HS + HCO⁺	1.56e-10	-0.50	0.00	10 - 41000
40	H⁺ + H₂S → HS⁺ + H₂	9.90e-10	-0.50	0.00	10 - 41000
41	H⁺ + H₂S → S⁺ + H₂ + H	3.30e-10	-0.50	0.00	10 - 41000
42	H₂⁺ + H₂S → HS⁺ + H₂ + H	8.60e-10	-0.50	0.00	10 - 41000
43	H₂⁺ + H₂S → S⁺ + H₂ + H₂	7.70e-10	-0.50	0.00	10 - 41000
44	H₂O⁺ + H₂S → H₃S⁺ + OH	7.74e-10	-0.50	0.00	10 - 41000
45	H₂O⁺ + H₂S → HS + H₃O⁺	5.40e-11	-0.50	0.00	10 - 41000
46	H₂S⁺ + H₂S → H₃S⁺ + HS	1.00e-9	-0.50	0.00	10 - 41000
47	H₂S + C₂N⁺ → HCS⁺ + HCN	1.20e-9	-0.50	0.00	10 - 41000
48	H₂S + C₃H⁺ → CS + C₂H₃⁺	3.60e-10	-0.50	0.00	10 - 41000
49	H₂S + C₃H⁺ → HC₃S⁺ + H₂	8.40e-11	-0.50	0.00	10 - 41000
50	H₂S + C₃H⁺ → HCS⁺ + C₂H₂	7.56e-10	-0.50	0.00	10 - 41000
51	H₂S + HS₂⁺ → S₂ + H₃S⁺	2.90e-10	-0.50	0.00	10 - 41000
52	H₂S + HSiS⁺ → H₃S⁺ + SiS	2.90e-10	-0.50	0.00	10 - 41000
53	H₂S + N₂O⁺ → HN₂O⁺ + HS	4.55e-10	-0.50	0.00	10 - 41000
54	H₂S + SO⁺ → S₂⁺ + H₂O	1.30e-9	-0.50	0.00	10 - 41000
55	H₃⁺ + H₂S → H₃S⁺ + H₂	3.70e-9	-0.50	0.00	10 - 41000
56	H₃CO⁺ + H₂S → H₃S⁺ + H₂CO	5.00e-10	-0.50	0.00	10 - 41000
57	H₃O⁺ + H₂S → H₃S⁺ + H₂O	1.90e-9	-0.50	0.00	10 - 41000
58	HCNH⁺ + H₂S → H₃S⁺ + HCN	1.70e-10	-0.50	0.00	10 - 41000
59	HCNH⁺ + H₂S → H₃S⁺ + HNC	1.70e-10	-0.50	0.00	10 - 41000
60	HCO⁺ + H₂S → H₃S⁺ + CO	1.60e-9	-0.50	0.00	10 - 41000
61	HS⁺ + H₂S → H₃S⁺ + S	4.70e-10	-0.50	0.00	10 - 41000
62	HS⁺ + H₂S → HS₂⁺ + H₂	2.80e-10	-0.50	0.00	10 - 41000
63	He⁺ + H₂S → HS⁺ + He + H	4.84e-10	-0.50	0.00	10 - 41000
64	He⁺ + H₂S → S⁺ + He + H₂	3.61e-9	-0.50	0.00	10 - 41000
65	N⁺ + H₂S → HS⁺ + NH	5.51e-10	-0.50	0.00	10 - 41000
66	N⁺ + H₂S → HS + NH⁺	5.70e-11	-0.50	0.00	10 - 41000
67	N⁺ + H₂S → S⁺ + NH + H	2.28e-10	-0.50	0.00	10 - 41000
68	N₂⁺ + H₂S → HS⁺ + N₂ + H	1.13e-9	-0.50	0.00	10 - 41000
69	N₂⁺ + H₂S → S⁺ + N₂ + H₂	2.25e-10	-0.50	0.00	10 - 41000
70	NH₂⁺ + H₂S → H₃S⁺ + NH	2.70e-10	-0.50	0.00	10 - 41000
71	NH₂⁺ + H₂S → HS⁺ + NH₃	1.80e-10	-0.50	0.00	10 - 41000
72	NH₂⁺ + H₂S → HS + NH₃⁺	4.50e-10	-0.50	0.00	10 - 41000
73	NH₂⁺ + H₂S → S + NH₄⁺	1.80e-10	-0.50	0.00	10 - 41000
74	NH₃⁺ + H₂S → HS + NH₄⁺	1.30e-9	-0.50	0.00	10 - 41000
75	O⁺ + H₂S → HS⁺ + OH	4.20e-10	-0.50	0.00	10 - 41000
76	O⁺ + H₂S → S⁺ + H₂O	2.20e-10	-0.50	0.00	10 - 41000
77	OH⁺ + H₂S → H₃S⁺ + O	8.20e-10	-0.50	0.00	10 - 41000
78	PH⁺ + H₂S → H₃S⁺ + P	1.35e-10	-0.50	0.00	10 - 41000
79	PH₃⁺ + H₂S → H₃S⁺ + PH₂	1.00e-9	-0.50	0.00	10 - 41000
80	S⁺ + H₂S → HS₂⁺ + H	1.89e-10	-0.50	0.00	10 - 41000
81	S⁺ + H₂S → S₂⁺ + H₂	5.90e-10	-0.50	0.00	10 - 41000
82	CH₃ + H₂S → HS + CH₄	3.30e-13	0.00	1105.00	300 - 2500
83	H + H₂S → HS + H₂	3.71e-12	1.94	455.00	190 - 2560
84	O + H₂S → HS + OH	2.98e-12	1.62	1462.00	200 - 2000
85	OH + H₂S → HS + H₂O	6.30e-12	0.00	80.00	200 - 2500
86	H₂S + PHOTON → H₂S⁺ + e^-	7.30e-10	0.00	3.10	10 - 41000
87	H₂S + PHOTON → HS + H	1.55e-9	0.00	2.30	10 - 41000
88	H₂S + PHOTON → S + H₂	1.55e-9	0.00	2.30	10 - 41000

Variation of log fractional abundance (relative to H₂) with log time (years) in a dark cloud model. Ref. RATE12 paper.

H2S

H₂S