Si

Silicon
Flags: RATE12
Empirical: Si
Mass: 28 amu
Heat of formation: 446.0 kJ mol^-1
Added to system: 2003-05-06 06:43:21

Reactions: Formation | Destruction

76 Si formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	Mg + Si⁺ → Si + Mg⁺	2.90e-9	0.00	0.00	10 - 41000
2	Na + Si⁺ → Si + Na⁺	2.70e-9	0.00	0.00	10 - 41000
3	Si⁺ + Fe → Fe⁺ + Si	1.90e-9	0.00	0.00	10 - 41000
4	HCSi + CRPHOT → CH + Si	1.30e-17	0.00	750.00	10 - 41000
5	SiC + CRPHOT → Si + C	1.30e-17	0.00	250.00	10 - 41000
6	SiH + CRPHOT → Si + H	1.30e-17	0.00	250.00	10 - 41000
7	SiN + CRPHOT → Si + N	1.30e-17	0.00	250.00	10 - 41000
8	SiNC + CRPHOT → Si + CN	1.30e-17	0.00	750.00	10 - 41000
9	SiO + CRPHOT → Si + O	1.30e-17	0.00	250.00	10 - 41000
10	SiS + CRPHOT → S + Si	1.30e-17	0.00	250.00	10 - 41000
11	HCSi⁺ + e^- → Si + CH	1.50e-7	-0.50	0.00	10 - 300
12	HNSi⁺ + e^- → Si + NH	1.50e-7	-0.50	0.00	10 - 300
13	HSiS⁺ + e^- → HS + Si	1.50e-7	-0.50	0.00	10 - 300
14	SiC⁺ + e^- → Si + C	2.00e-7	-0.50	0.00	10 - 300
15	SiC₂⁺ + e^- → Si + C₂	1.50e-7	-0.50	0.00	10 - 300
16	SiC₂H⁺ + e^- → Si + C₂H	1.50e-7	-0.50	0.00	10 - 300
17	SiC₃H⁺ + e^- → C₃H + Si	1.50e-7	-0.50	0.00	10 - 300
18	SiCH₂⁺ + e^- → Si + CH₂	2.00e-7	-0.50	0.00	10 - 300
19	SiF⁺ + e^- → Si + F	2.00e-7	-0.50	0.00	10 - 300
20	SiH⁺ + e^- → Si + H	2.00e-7	-0.50	0.00	10 - 300
21	SiH₂⁺ + e^- → Si + H₂	1.50e-7	-0.50	0.00	10 - 300
22	SiH₂⁺ + e^- → Si + H + H	2.00e-7	-0.50	0.00	10 - 300
23	SiN⁺ + e^- → Si + N	2.00e-7	-0.50	0.00	10 - 300
24	SiNC⁺ + e^- → Si + CN	3.00e-7	-0.50	0.00	10 - 300
25	SiO⁺ + e^- → Si + O	2.00e-7	-0.50	0.00	10 - 300
26	SiOH⁺ + e^- → Si + OH	1.50e-7	-0.50	0.00	10 - 300
27	SiS⁺ + e^- → S + Si	2.00e-7	-0.50	0.00	10 - 300
28	CH + SiH⁺ → Si + CH₂⁺	6.00e-10	-0.50	0.00	10 - 41000
29	CH + SiO⁺ → HCO⁺ + Si	5.90e-10	-0.50	0.00	10 - 41000
30	H₂O + SiH⁺ → Si + H₃O⁺	8.00e-10	-0.50	0.00	10 - 41000
31	He⁺ + SiC → Si + C⁺ + He	2.00e-9	-0.50	0.00	10 - 41000
32	He⁺ + SiNC → Si + CN⁺ + He	2.00e-9	-0.50	0.00	10 - 41000
33	He⁺ + SiO → Si + O⁺ + He	8.60e-10	-0.50	0.00	10 - 41000
34	He⁺ + SiS → S⁺ + Si + He	3.80e-9	-0.50	0.00	10 - 41000
35	N + SiO⁺ → NO⁺ + Si	9.00e-11	0.00	0.00	10 - 41000
36	NH₃ + SiH⁺ → Si + NH₄⁺	1.00e-9	-0.50	0.00	10 - 41000
37	C^- + Si⁺ → Si + C	7.51e-8	-0.50	0.00	10 - 41000
38	C₁₀^- + Si⁺ → C₁₀ + Si	7.51e-8	-0.50	0.00	10 - 41000
39	C₁₀H^- + Si⁺ → C₁₀H + Si	7.51e-8	-0.50	0.00	10 - 41000
40	C₂^- + Si⁺ → C₂ + Si	7.51e-8	-0.50	0.00	10 - 41000
41	C₂H^- + Si⁺ → C₂H + Si	7.51e-8	-0.50	0.00	10 - 41000
42	C₃^- + Si⁺ → C₃ + Si	7.51e-8	-0.50	0.00	10 - 41000
43	C₃H^- + Si⁺ → C₃H + Si	7.51e-8	-0.50	0.00	10 - 41000
44	C₃N^- + Si⁺ → C₃N + Si	7.51e-8	-0.50	0.00	10 - 41000
45	C₄^- + Si⁺ → C₄ + Si	7.51e-8	-0.50	0.00	10 - 41000
46	C₄H^- + Si⁺ → C₄H + Si	7.51e-8	-0.50	0.00	10 - 41000
47	C₅^- + Si⁺ → C₅ + Si	7.51e-8	-0.50	0.00	10 - 41000
48	C₅H^- + Si⁺ → C₅H + Si	7.51e-8	-0.50	0.00	10 - 41000
49	C₅N^- + Si⁺ → C₅N + Si	7.51e-8	-0.50	0.00	10 - 41000
50	C₆^- + Si⁺ → C₆ + Si	7.51e-8	-0.50	0.00	10 - 41000
51	C₆H^- + Si⁺ → C₆H + Si	7.51e-8	-0.50	0.00	10 - 41000
52	C₇^- + Si⁺ → C₇ + Si	7.51e-8	-0.50	0.00	10 - 41000
53	C₇H^- + Si⁺ → C₇H + Si	7.51e-8	-0.50	0.00	10 - 41000
54	C₈^- + Si⁺ → C₈ + Si	7.51e-8	-0.50	0.00	10 - 41000
55	C₈H^- + Si⁺ → C₈H + Si	7.51e-8	-0.50	0.00	10 - 41000
56	C₉^- + Si⁺ → C₉ + Si	7.51e-8	-0.50	0.00	10 - 41000
57	C₉H^- + Si⁺ → C₉H + Si	7.51e-8	-0.50	0.00	10 - 41000
58	CH^- + Si⁺ → CH + Si	7.51e-8	-0.50	0.00	10 - 41000
59	CN^- + Si⁺ → CN + Si	7.51e-8	-0.50	0.00	10 - 41000
60	H^- + Si⁺ → Si + H	7.51e-8	-0.50	0.00	10 - 41000
61	O^- + Si⁺ → O + Si	7.51e-8	-0.50	0.00	10 - 41000
62	O₂^- + Si⁺ → O₂ + Si	7.51e-8	-0.50	0.00	10 - 41000
63	OH^- + Si⁺ → OH + Si	7.51e-8	-0.50	0.00	10 - 41000
64	Si⁺ + S^- → S + Si	7.51e-8	-0.50	0.00	10 - 41000
65	N + SiC → Si + CN	5.00e-11	0.00	0.00	10 - 300
66	O + SiC → Si + CO	5.00e-11	0.00	0.00	10 - 300
67	O + SiN → NO + Si	5.00e-11	0.00	0.00	10 - 300
68	SiC₂ + PHOTON → C₂ + Si	2.60e-10	0.00	2.30	10 - 41000
69	SiC₄ + PHOTON → Si + C₄	1.00e-10	0.00	2.30	10 - 41000
70	SiC + PHOTON → Si + C	1.00e-10	0.00	2.30	10 - 41000
71	SiH + PHOTON → Si + H	2.80e-9	0.00	1.60	10 - 41000
72	SiN + PHOTON → Si + N	1.00e-9	0.00	2.80	10 - 41000
73	SiNC + PHOTON → CN + Si	1.00e-9	0.00	1.70	10 - 41000
74	SiO + PHOTON → Si + O	1.60e-9	0.00	2.30	10 - 41000
75	SiS + PHOTON → S + Si	1.00e-10	0.00	2.30	10 - 41000
76	Si⁺ + e^- → Si + PHOTON	4.26e-12	-0.62	0.00	10 - 1000

	Reaction	α	β	γ	T_l - T_u (K)
1	C⁺ + Si → Si⁺ + C	2.10e-9	0.00	0.00	10 - 41000
2	CH⁺ + Si → Si⁺ + CH	2.00e-10	0.00	0.00	10 - 41000
3	H⁺ + Si → Si⁺ + H	9.90e-10	0.00	0.00	10 - 41000
4	H₂O⁺ + Si → Si⁺ + H₂O	3.00e-9	0.00	0.00	10 - 41000
5	He⁺ + Si → Si⁺ + He	3.30e-9	0.00	0.00	10 - 41000
6	NH₃⁺ + Si → Si⁺ + NH₃	1.90e-9	0.00	0.00	10 - 41000
7	Si + CS⁺ → CS + Si⁺	1.50e-10	0.00	0.00	10 - 41000
8	Si + H₂CO⁺ → H₂CO + Si⁺	2.00e-9	0.00	0.00	10 - 41000
9	Si + H₂S⁺ → H₂S + Si⁺	1.60e-9	0.00	0.00	10 - 41000
10	Si + HS⁺ → HS + Si⁺	1.40e-9	0.00	0.00	10 - 41000
11	Si + NO⁺ → NO + Si⁺	1.60e-9	0.00	0.00	10 - 41000
12	Si + O₂⁺ → O₂ + Si⁺	1.60e-9	0.00	0.00	10 - 41000
13	Si + P⁺ → P + Si⁺	1.00e-9	0.00	0.00	10 - 41000
14	Si + S⁺ → S + Si⁺	1.60e-9	0.00	0.00	10 - 41000
15	Si + CRPHOT → Si⁺ + e^-	1.30e-17	0.00	2115.00	10 - 41000
16	C₂H₂⁺ + Si → SiC₂⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
17	C₂H₂⁺ + Si → SiC₂H⁺ + H	2.00e-10	0.00	0.00	10 - 41000
18	C₂H₃⁺ + Si → SiC₂H⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
19	C₂H₃⁺ + Si → SiC₂H₂⁺ + H	2.00e-10	0.00	0.00	10 - 41000
20	C₂H₄⁺ + Si → SiC₂H₂⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
21	C₂H₄⁺ + Si → SiC₂H₃⁺ + H	2.00e-10	0.00	0.00	10 - 41000
22	CH₃⁺ + Si → HCSi⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
23	CH₃⁺ + Si → SiCH₂⁺ + H	2.00e-10	0.00	0.00	10 - 41000
24	CH₅⁺ + Si → SiCH₃⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
25	CH₅⁺ + Si → SiCH₄⁺ + H	2.00e-10	0.00	0.00	10 - 41000
26	H₂NC⁺ + Si → SiNC⁺ + H₂	5.00e-10	0.00	0.00	10 - 41000
27	H₃⁺ + Si → SiH⁺ + H₂	3.70e-9	0.00	0.00	10 - 41000
28	H₃O⁺ + Si → SiH⁺ + H₂O	1.80e-9	0.00	0.00	10 - 41000
29	HCNH⁺ + Si → SiNC⁺ + H₂	5.00e-10	0.00	0.00	10 - 41000
30	OH⁺ + Si → SiH⁺ + O	1.90e-9	0.00	0.00	10 - 41000
31	Si + C₃H⁺ → SiC₃⁺ + H	2.00e-10	0.00	0.00	10 - 41000
32	Si + C₃H₂⁺ → SiC₃⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
33	Si + C₃H₂⁺ → SiC₃H⁺ + H	2.00e-10	0.00	0.00	10 - 41000
34	Si + C₃H₃⁺ → SiC₃H⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
35	Si + C₃H₃⁺ → SiC₃H₂⁺ + H	2.00e-10	0.00	0.00	10 - 41000
36	Si + C₄H₂⁺ → SiC₄⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
37	Si + C₄H₂⁺ → SiC₄H⁺ + H	2.00e-10	0.00	0.00	10 - 41000
38	Si + CH₂CCH⁺ → SiC₃H⁺ + H₂	2.00e-10	0.00	0.00	10 - 41000
39	Si + CH₂CCH⁺ → SiC₃H₂⁺ + H	2.00e-10	0.00	0.00	10 - 41000
40	Si + HCO⁺ → SiH⁺ + CO	1.60e-9	0.00	0.00	10 - 41000
41	C₂H₂ + Si → SiC₂ + H₂	1.30e-10	-0.71	29.00	15 - 300
42	C₂H₂ + Si → SiC₂H + H	2.60e-10	-0.71	29.00	10 - 1000
43	C₂H₄ + Si → SiC₂H₂ + H₂	1.85e-10	-0.34	16.00	15 - 300
44	CH₂ + Si → HCSi + H	1.00e-10	0.00	0.00	10 - 300
45	CH₃ + Si → SiCH₂ + H	1.00e-10	0.00	0.00	10 - 300
46	OH + Si → SiO + H	1.00e-10	0.00	0.00	10 - 3560
47	Si + CO₂ → SiO + CO	2.72e-11	0.00	282.00	300 - 3160
48	Si + CO → SiO + C	1.30e-9	0.00	34513.00	2720 - 5190
49	Si + NO → SiO + N	9.00e-11	-0.96	28.00	10 - 300
50	Si + O₂ → SiO + O	1.72e-10	-0.53	17.00	10 - 300
51	Si + PHOTON → Si⁺ + e^-	3.10e-9	0.00	2.30	10 - 41000
52	O + Si → SiO + PHOTON	5.52e-18	0.31	0.00	300 - 14700

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