SiO

Silicon monoxide
Flags: Detected, RATE12
Empirical: OSi
Mass: 44 amu
Dipole moment: 3.100 D
Heat of formation: -101.6 kJ mol^-1
Added to system: 2003-04-28 18:00:49

Reactions: Formation | Destruction

83 SiO formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	HCO + SiO⁺ → SiO + HCO⁺	6.60e-10	-0.50	0.00	10 - 300
2	Mg + SiO⁺ → SiO + Mg⁺	1.00e-9	0.00	0.00	10 - 300
3	NO + SiO⁺ → SiO + NO⁺	7.20e-10	0.00	0.00	10 - 300
4	SiO⁺ + Fe → Fe⁺ + SiO	1.00e-9	0.00	0.00	10 - 41000
5	H₂SiO + CRPHOT → SiO + H₂	1.30e-17	0.00	750.00	10 - 41000
6	SiO₂ + CRPHOT → SiO + O	1.30e-17	0.00	750.00	10 - 41000
7	H₂SiO⁺ + e^- → SiO + H₂	1.50e-7	-0.50	0.00	10 - 300
8	H₃SiO⁺ + e^- → SiO + H₂ + H	1.50e-7	-0.50	0.00	10 - 300
9	HSiO₂⁺ + e^- → SiO + OH	1.50e-7	-0.50	0.00	10 - 300
10	SiOH⁺ + e^- → SiO + H	1.50e-7	-0.50	0.00	10 - 300
11	NH₃ + SiOH⁺ → NH₄⁺ + SiO	2.50e-9	-0.50	0.00	10 - 41000
12	O₂ + SiS⁺ → SO⁺ + SiO	6.23e-11	0.00	0.00	10 - 41000
13	C^- + SiO⁺ → C + SiO	7.51e-8	-0.50	0.00	10 - 41000
14	C^- + SiOH⁺ → C + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
15	C₁₀^- + SiO⁺ → C₁₀ + SiO	7.51e-8	-0.50	0.00	10 - 41000
16	C₁₀^- + SiOH⁺ → C₁₀ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
17	C₁₀H^- + SiO⁺ → C₁₀H + SiO	7.51e-8	-0.50	0.00	10 - 41000
18	C₁₀H^- + SiOH⁺ → C₁₀H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
19	C₂^- + SiO⁺ → C₂ + SiO	7.51e-8	-0.50	0.00	10 - 41000
20	C₂^- + SiOH⁺ → C₂ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
21	C₂H^- + SiO⁺ → C₂H + SiO	7.51e-8	-0.50	0.00	10 - 41000
22	C₂H^- + SiOH⁺ → C₂H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
23	C₃^- + SiO⁺ → C₃ + SiO	7.51e-8	-0.50	0.00	10 - 41000
24	C₃^- + SiOH⁺ → C₃ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
25	C₃H^- + SiO⁺ → C₃H + SiO	7.51e-8	-0.50	0.00	10 - 41000
26	C₃H^- + SiOH⁺ → C₃H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
27	C₃N^- + SiO⁺ → C₃N + SiO	7.51e-8	-0.50	0.00	10 - 41000
28	C₃N^- + SiOH⁺ → C₃N + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
29	C₄^- + SiO⁺ → C₄ + SiO	7.51e-8	-0.50	0.00	10 - 41000
30	C₄^- + SiOH⁺ → C₄ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
31	C₄H^- + SiO⁺ → C₄H + SiO	7.51e-8	-0.50	0.00	10 - 41000
32	C₄H^- + SiOH⁺ → C₄H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
33	C₅^- + SiO⁺ → C₅ + SiO	7.51e-8	-0.50	0.00	10 - 41000
34	C₅^- + SiOH⁺ → C₅ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
35	C₅H^- + SiO⁺ → C₅H + SiO	7.51e-8	-0.50	0.00	10 - 41000
36	C₅H^- + SiOH⁺ → C₅H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
37	C₅N^- + SiO⁺ → C₅N + SiO	7.51e-8	-0.50	0.00	10 - 41000
38	C₅N^- + SiOH⁺ → C₅N + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
39	C₆^- + SiO⁺ → C₆ + SiO	7.51e-8	-0.50	0.00	10 - 41000
40	C₆^- + SiOH⁺ → C₆ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
41	C₆H^- + SiO⁺ → C₆H + SiO	7.51e-8	-0.50	0.00	10 - 41000
42	C₆H^- + SiOH⁺ → C₆H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
43	C₇^- + SiO⁺ → C₇ + SiO	7.51e-8	-0.50	0.00	10 - 41000
44	C₇^- + SiOH⁺ → C₇ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
45	C₇H^- + SiO⁺ → C₇H + SiO	7.51e-8	-0.50	0.00	10 - 41000
46	C₇H^- + SiOH⁺ → C₇H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
47	C₈^- + SiO⁺ → C₈ + SiO	7.51e-8	-0.50	0.00	10 - 41000
48	C₈^- + SiOH⁺ → C₈ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
49	C₈H^- + SiO⁺ → C₈H + SiO	7.51e-8	-0.50	0.00	10 - 41000
50	C₈H^- + SiOH⁺ → C₈H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
51	C₉^- + SiO⁺ → C₉ + SiO	7.51e-8	-0.50	0.00	10 - 41000
52	C₉^- + SiOH⁺ → C₉ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
53	C₉H^- + SiO⁺ → C₉H + SiO	7.51e-8	-0.50	0.00	10 - 41000
54	C₉H^- + SiOH⁺ → C₉H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
55	CH^- + SiO⁺ → CH + SiO	7.51e-8	-0.50	0.00	10 - 41000
56	CH^- + SiOH⁺ → CH + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
57	CN^- + SiO⁺ → CN + SiO	7.51e-8	-0.50	0.00	10 - 41000
58	CN^- + SiOH⁺ → CN + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
59	H^- + SiO⁺ → H + SiO	7.51e-8	-0.50	0.00	10 - 41000
60	H^- + SiOH⁺ → H + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
61	O^- + SiO⁺ → O + SiO	7.51e-8	-0.50	0.00	10 - 41000
62	O^- + SiOH⁺ → O + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
63	O₂^- + SiO⁺ → O₂ + SiO	7.51e-8	-0.50	0.00	10 - 41000
64	O₂^- + SiOH⁺ → O₂ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
65	OH^- + SiO⁺ → OH + SiO	7.51e-8	-0.50	0.00	10 - 41000
66	OH^- + SiOH⁺ → OH + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
67	S^- + SiO⁺ → S + SiO	7.51e-8	-0.50	0.00	10 - 41000
68	S^- + SiOH⁺ → S + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
69	O + HCSi → SiO + CH	2.00e-11	0.00	0.00	10 - 300
70	O + SiC → SiO + C	5.00e-11	0.00	0.00	10 - 300
71	O + SiH₂ → SiO + H₂	8.00e-11	0.00	0.00	10 - 300
72	O + SiH₂ → SiO + H + H	1.20e-10	0.00	0.00	10 - 300
73	O + SiH → SiO + H	1.00e-10	0.00	0.00	10 - 300
74	O + SiN → SiO + N	5.75e-11	0.10	200.00	10 - 3560
75	OH + Si → SiO + H	1.00e-10	0.00	0.00	10 - 3560
76	Si + CO₂ → SiO + CO	2.72e-11	0.00	282.00	300 - 3160
77	Si + CO → SiO + C	1.30e-9	0.00	34513.00	2720 - 5190
78	Si + NO → SiO + N	9.00e-11	-0.96	28.00	10 - 300
79	Si + O₂ → SiO + O	1.72e-10	-0.53	17.00	10 - 300
80	H₂SiO + PHOTON → SiO + H₂	4.40e-10	0.00	1.60	10 - 41000
81	H₂SiO + PHOTON → SiO + H + H	4.40e-10	0.00	1.60	10 - 41000
82	SiO₂ + PHOTON → SiO + O	3.13e-10	0.00	2.00	10 - 41000
83	O + Si → SiO + PHOTON	5.52e-18	0.31	0.00	300 - 14700

	Reaction	α	β	γ	T_l - T_u (K)
1	H⁺ + SiO → SiO⁺ + H	3.30e-9	-0.50	0.00	10 - 41000
2	SiO + CRPHOT → Si + O	1.30e-17	0.00	250.00	10 - 41000
3	C⁺ + SiO → Si⁺ + CO	5.40e-10	-0.50	0.00	10 - 41000
4	H₃⁺ + SiO → SiOH⁺ + H₂	2.00e-9	-0.50	0.00	10 - 41000
5	H₃O⁺ + SiO → SiOH⁺ + H₂O	2.00e-9	-0.50	0.00	10 - 41000
6	HCO⁺ + SiO → SiOH⁺ + CO	7.90e-10	-0.50	0.00	10 - 41000
7	He⁺ + SiO → Si⁺ + O + He	8.60e-10	-0.50	0.00	10 - 41000
8	He⁺ + SiO → Si + O⁺ + He	8.60e-10	-0.50	0.00	10 - 41000
9	OH⁺ + SiO → SiOH⁺ + O	9.40e-10	-0.50	0.00	10 - 41000
10	OH + SiO → SiO₂ + H	2.00e-12	0.00	0.00	10 - 2500
11	SiO + PHOTON → Si + O	1.60e-9	0.00	2.30	10 - 41000
12	SiO + PHOTON → SiO⁺ + e^-	2.40e-10	0.00	2.00	10 - 41000

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