C₈

cyc-C8
Flags: RATE12
Empirical: C₈
Mass: 96 amu
Heat of formation: 1487.0 kJ mol^-1
Added to system: 2003-05-06 06:43:21

Reactions: Formation | Destruction

63 C₈ formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	C₂^- + C₆ → C₈ + e^-	1.00e-9	0.00	0.00	10 - 300
2	C₃^- + C₅ → C₈ + e^-	1.00e-9	0.00	0.00	10 - 300
3	C₄^- + C₄ → C₈ + e^-	1.00e-9	0.00	0.00	10 - 300
4	C₅^- + C₃ → C₈ + e^-	1.00e-9	0.00	0.00	10 - 300
5	C₆^- + C₂ → C₈ + e^-	1.00e-9	0.00	0.00	10 - 300
6	C + C₇^- → C₈ + e^-	1.00e-9	0.00	0.00	10 - 300
7	C₈^- + CRPHOT → C₈ + e^-	1.30e-17	0.00	250.00	10 - 41000
8	C₈H + CRPHOT → C₈ + H	1.30e-17	0.00	2500.00	10 - 41000
9	C₉ + CRPHOT → C₈ + C	1.30e-17	0.00	500.00	10 - 41000
10	C₉N + CRPHOT → C₈ + CN	1.30e-17	0.00	875.00	10 - 41000
11	C₁₀⁺ + e^- → C₈ + C₂	1.00e-6	-0.30	0.00	10 - 300
12	C₁₁⁺ + e^- → C₈ + C₃	1.20e-6	-0.30	0.00	10 - 41000
13	C₈H⁺ + e^- → C₈ + H	1.00e-6	-0.30	0.00	10 - 300
14	C₈H₂⁺ + e^- → C₈ + H₂	1.00e-6	-0.30	0.00	10 - 300
15	C₉⁺ + e^- → C₈ + C	1.00e-6	-0.30	0.00	10 - 300
16	N + C₉^- → CN^- + C₈	1.50e-11	0.00	0.00	10 - 41000
17	O + C₉H⁺ → C₈ + HCO⁺	2.00e-10	0.00	0.00	10 - 41000
18	C₈^- + C⁺ → C + C₈	7.51e-8	-0.50	0.00	10 - 41000
19	C₈^- + C₂H₂⁺ → C₈ + C₂H₂	7.51e-8	-0.50	0.00	10 - 41000
20	C₈^- + C₂H₃⁺ → C₈ + C₂H₃	7.51e-8	-0.50	0.00	10 - 41000
21	C₈^- + C₄H₂⁺ → C₈ + HC₄H	7.51e-8	-0.50	0.00	10 - 41000
22	C₈^- + C₄H₃⁺ → C₈ + C₄H₃	7.51e-8	-0.50	0.00	10 - 41000
23	C₈^- + C₄S⁺ → C₈ + C₄S	7.51e-8	-0.50	0.00	10 - 41000
24	C₈^- + CH₂CCH⁺ → C₈ + CH₂CCH	7.51e-8	-0.50	0.00	10 - 41000
25	C₈^- + CH₃⁺ → C₈ + CH₃	7.51e-8	-0.50	0.00	10 - 41000
26	C₈^- + CNC⁺ → C₈ + C₂N	7.51e-8	-0.50	0.00	10 - 41000
27	C₈^- + Fe⁺ → C₈ + Fe	7.51e-8	-0.50	0.00	10 - 41000
28	C₈^- + H⁺ → C₈ + H	7.51e-8	-0.50	0.00	10 - 41000
29	C₈^- + H₂CO⁺ → C₈ + H₂CO	7.51e-8	-0.50	0.00	10 - 41000
30	C₈^- + H₂S⁺ → C₈ + H₂S	7.51e-8	-0.50	0.00	10 - 41000
31	C₈^- + H₃⁺ → C₈ + H₂ + H	7.51e-8	-0.50	0.00	10 - 41000
32	C₈^- + H₃O⁺ → C₈ + H + H₂O	7.51e-8	-0.50	0.00	10 - 41000
33	C₈^- + HC₂S⁺ → C₈ + C₂S + H	7.51e-8	-0.50	0.00	10 - 41000
34	C₈^- + HCNH⁺ → C₈ + HCN + H	3.76e-8	-0.50	0.00	10 - 41000
35	C₈^- + HCNH⁺ → C₈ + HNC + H	3.76e-8	-0.50	0.00	10 - 41000
36	C₈^- + HCO⁺ → C₈ + H + CO	3.76e-8	-0.50	0.00	10 - 41000
37	C₈^- + HCO⁺ → C₈ + HCO	3.76e-8	-0.50	0.00	10 - 41000
38	C₈^- + He⁺ → C₈ + He	7.51e-8	-0.50	0.00	10 - 41000
39	C₈^- + Mg⁺ → C₈ + Mg	7.51e-8	-0.50	0.00	10 - 41000
40	C₈^- + N⁺ → C₈ + N	7.51e-8	-0.50	0.00	10 - 41000
41	C₈^- + N₂H⁺ → C₈ + N₂ + H	7.51e-8	-0.50	0.00	10 - 41000
42	C₈^- + NH₃⁺ → C₈ + NH₃	7.51e-8	-0.50	0.00	10 - 41000
43	C₈^- + NH₄⁺ → C₈ + NH₃ + H	7.51e-8	-0.50	0.00	10 - 41000
44	C₈^- + NO⁺ → C₈ + NO	7.51e-8	-0.50	0.00	10 - 41000
45	C₈^- + Na⁺ → C₈ + Na	7.51e-8	-0.50	0.00	10 - 41000
46	C₈^- + O⁺ → C₈ + O	7.51e-8	-0.50	0.00	10 - 41000
47	C₈^- + S⁺ → C₈ + S	7.51e-8	-0.50	0.00	10 - 41000
48	C₈^- + SO⁺ → C₈ + SO	7.51e-8	-0.50	0.00	10 - 41000
49	C₈^- + Si⁺ → C₈ + Si	7.51e-8	-0.50	0.00	10 - 41000
50	C₈^- + SiO⁺ → C₈ + SiO	7.51e-8	-0.50	0.00	10 - 41000
51	C₈^- + SiOH⁺ → C₈ + SiO + H	7.51e-8	-0.50	0.00	10 - 41000
52	C₈^- + SiS⁺ → C₈ + SiS	7.51e-8	-0.50	0.00	10 - 41000
53	C + C₇H → C₈ + H	2.00e-10	0.00	0.00	10 - 300
54	N + C₉ → CN + C₈	1.00e-13	0.00	0.00	10 - 300
55	O + C₉ → C₈ + CO	5.00e-12	0.00	900.00	10 - 300
56	O + C₉N → C₈ + OCN	4.00e-11	0.00	0.00	10 - 300
57	C₁₀ + PHOTON → C₈ + C₂	1.96e-10	0.00	3.00	10 - 41000
58	C₁₀H + PHOTON → C₈ + C₂ + H	1.42e-12	0.00	5.00	10 - 41000
59	C₁₁ + PHOTON → C₈ + C₃	4.41e-10	0.00	2.70	10 - 41000
60	C₈^- + PHOTON → C₈ + e^-	1.77e-9	0.00	2.00	10 - 41000
61	C₈H + PHOTON → C₈ + H	1.00e-9	0.00	1.70	10 - 41000
62	C₉ + PHOTON → C₈ + C	1.00e-9	0.00	1.70	10 - 41000
63	C₉N + PHOTON → C₈ + CN	1.00e-9	0.00	1.70	10 - 41000

	Reaction	α	β	γ	T_l - T_u (K)
1	C₂^- + C₈ → C₁₀ + e^-	1.00e-9	0.00	0.00	10 - 300
2	H⁺ + C₈ → C₈⁺ + H	4.00e-9	0.00	0.00	10 - 300
3	C₈ + CRPHOT → C₇ + C	1.30e-17	0.00	500.00	10 - 41000
4	H₃⁺ + C₈ → C₈H⁺ + H₂	2.00e-9	0.00	0.00	10 - 41000
5	HCO⁺ + C₈ → C₈H⁺ + CO	1.40e-9	0.00	0.00	10 - 41000
6	He⁺ + C₈ → C₆⁺ + C₂ + He	1.50e-9	0.00	0.00	10 - 41000
7	He⁺ + C₈ → C₇⁺ + C + He	1.50e-9	0.00	0.00	10 - 41000
8	C + C₈ → C₂ + C₇	1.00e-13	0.00	0.00	10 - 300
9	N + C₈ → CN + C₇	1.00e-10	0.00	0.00	10 - 300
10	O + C₈ → C₇ + CO	1.00e-10	0.00	0.00	10 - 300
11	C₈ + PHOTON → C₇ + C	1.00e-9	0.00	1.70	10 - 41000
12	C₈ + PHOTON → C₈⁺ + e^-	2.00e-10	0.00	2.50	10 - 41000
13	C⁺ + C₈ → C₉⁺ + PHOTON	1.00e-9	0.00	0.00	10 - 300
14	C₈ + e^- → C₈^- + PHOTON	1.70e-7	-0.50	0.00	10 - 300

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