C₂O

Dicarbon monoxide, CCO
Flags: Detected, RATE12
Empirical: C₂O
Mass: 40 amu
Dipole moment: 1.300 D
Heat of formation: 282.6 kJ mol^-1
Added to system: 2003-04-28 18:00:51

Reactions: Formation | Destruction

6 C₂O formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	O + C₂^- → C₂O + e^-	2.90e-10	0.00	0.00	10 - 300
2	O + C₂H^- → C₂O + H + e^-	3.10e-10	0.00	0.00	10 - 300
3	HC₂O⁺ + e^- → C₂O + H	1.00e-7	-0.50	0.00	10 - 300
4	O₂ + C₃H⁺ → C₂O + HCO⁺	1.50e-11	0.00	0.00	10 - 41000
5	C + HCO → C₂O + H	1.00e-10	0.00	0.00	10 - 300
6	O + C₃O → C₂O + CO	5.00e-12	0.00	900.00	10 - 300

	Reaction	α	β	γ	T_l - T_u (K)
1	C⁺ + C₂O → C₂O⁺ + C	1.00e-9	-0.50	0.00	10 - 41000
2	H⁺ + C₂O → C₂O⁺ + H	1.00e-9	-0.50	0.00	10 - 41000
3	C₂O + CRPHOT → C₂ + O	1.30e-17	0.00	375.00	10 - 41000
4	C₂O + CRPHOT → CO + C	1.30e-17	0.00	375.00	10 - 41000
5	H₃⁺ + C₂O → HC₂O⁺ + H₂	1.00e-9	-0.50	0.00	10 - 41000
6	H₃O⁺ + C₂O → HC₂O⁺ + H₂O	1.00e-9	-0.50	0.00	10 - 41000
7	HCO⁺ + C₂O → HC₂O⁺ + CO	1.00e-9	-0.50	0.00	10 - 41000
8	He⁺ + C₂O → CO + C⁺ + He	1.00e-9	-0.50	0.00	10 - 41000
9	C + C₂O → C₂ + CO	2.00e-10	0.00	0.00	10 - 300
10	N + C₂O → CN + CO	5.50e-10	0.00	0.00	10 - 300
11	O + C₂O → CO + CO	8.59e-11	0.00	0.00	295 - 295
12	S + C₂O → CO + CS	1.00e-10	0.00	0.00	10 - 300
13	C₂O + PHOTON → C₂ + O	5.00e-10	0.00	1.70	10 - 41000
14	C₂O + PHOTON → CO + C	5.00e-10	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.

C2O

C₂O