C₉H₂

HC9H
Flags: RATE12
Empirical: C₉H₂
Mass: 110 amu
Dipole moment: 2.500 D
Heat of formation: 1142.0 kJ mol^-1
Added to system: 2003-05-06 06:43:21

7 C₉H₂ formation reactions

	Reaction	α	β	T_l - T_u (K)
1	H + C₉H^- → C₉H₂ + e^-	1.00e-9	0.00	10 - 300
2	C₁₀H₃⁺ + e^- → C₉H₂ + C + H	1.00e-6	-0.30	10 - 41000
3	C₉H₃⁺ + e^- → C₉H₂ + H	1.00e-6	-0.30	10 - 300
4	C₉H₄⁺ + e^- → C₉H₂ + H₂	1.00e-6	-0.30	10 - 300
5	C₉H₅⁺ + e^- → C₉H₂ + H₂ + H	1.50e-7	-0.50	10 - 300
6	O + C₁₀H₃⁺ → C₉H₂ + HCO⁺	3.00e-10	0.00	10 - 41000
7	C₂H + C₇H₂ → C₉H₂ + H	1.06e-10	-0.25	10 - 300

	Reaction	α	β	γ	T_l - T_u (K)
1	H⁺ + C₉H₂ → C₉H₂⁺ + H	2.50e-9	-0.50	0.00	10 - 300
2	C₉H₂ + CRPHOT → C₉H + H	1.30e-17	0.00	875.00	10 - 41000
3	C⁺ + C₉H₂ → C₁₀⁺ + H₂	2.40e-9	-0.50	0.00	10 - 41000
4	C⁺ + C₉H₂ → C₁₀H⁺ + H	4.98e-10	0.00	0.00	10 - 41000
5	H⁺ + C₉H₂ → C₉H⁺ + H₂	2.50e-9	-0.50	0.00	10 - 41000
6	H₃⁺ + C₉H₂ → C₉H₃⁺ + H₂	3.00e-9	-0.50	0.00	10 - 41000
7	HCO⁺ + C₉H₂ → C₉H₃⁺ + CO	2.50e-9	-0.50	0.00	10 - 41000
8	He⁺ + C₉H₂ → C₇H⁺ + C₂H + He	1.00e-9	-0.50	0.00	10 - 41000
9	He⁺ + C₉H₂ → C₉⁺ + He + H₂	1.00e-9	-0.50	0.00	10 - 41000
10	He⁺ + C₉H₂ → C₉H⁺ + He + H	1.00e-9	-0.50	0.00	10 - 41000
11	C + C₉H₂ → C₁₀H + H	2.90e-10	-0.08	0.00	10 - 41000
12	C₉H₂ + PHOTON → C₉H₂⁺ + e^-	2.00e-10	0.00	2.50	10 - 41000
13	C₉H₂ + PHOTON → C₉H + H	1.00e-9	0.00	1.70	10 - 41000

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

C9H2