HC₃N

Cyanoacetylene, Propynenitrile
Flags: Detected, RATE12
Empirical: C₃HN
Mass: 51 amu
Dipole moment: 3.600 D
Heat of formation: 351.0 kJ mol^-1
Added to system: 2003-04-28 18:00:51

Reactions: Formation | Destruction

28 HC₃N formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	H + C₃N^- → HC₃N + e^-	5.40e-10	0.00	0.00	10 - 41000
2	N + C₃H^- → HC₃N + e^-	5.00e-12	0.00	0.00	10 - 300
3	C₂H₂ + HC₃N⁺ → C₂H₂⁺ + HC₃N	1.28e-10	0.00	0.00	10 - 41000
4	C₂H₄ + HC₃N⁺ → C₂H₄⁺ + HC₃N	5.36e-10	0.00	0.00	10 - 41000
5	HC₄H + HC₃N⁺ → C₄H₂⁺ + HC₃N	8.90e-10	0.00	0.00	10 - 41000
6	NH₃ + HC₃N⁺ → HC₃N + NH₃⁺	1.70e-9	-0.50	0.00	10 - 41000
7	CH₂CHCN⁺ + e^- → HC₃N + H₂	1.50e-7	-0.50	0.00	10 - 41000
8	CH₃C₃N⁺ + e^- → HC₃N + CH₂	3.00e-7	-0.50	0.00	10 - 300
9	CH₃C₃NH⁺ + e^- → HC₃N + CH₃	1.00e-6	-0.30	0.00	10 - 300
10	H₂C₄N⁺ + e^- → HC₃N + CH	3.00e-7	-0.50	0.00	10 - 300
11	HC₃NH⁺ + e^- → HC₃N + H	7.31e-7	-0.58	0.00	10 - 300
12	HC₅NH⁺ + e^- → HC₃N + C₂H	1.20e-7	-0.70	0.00	10 - 1000
13	CH₃CN + HC₃NH⁺ → CH₃CNH⁺ + HC₃N	3.60e-9	-0.50	0.00	10 - 41000
14	CH₃OH + HC₃NH⁺ → CH₃OH₂⁺ + HC₃N	1.90e-9	-0.50	0.00	10 - 41000
15	CH₄ + C₄N⁺ → C₂H₃⁺ + HC₃N	1.43e-10	0.00	0.00	10 - 41000
16	H⁺ + CH₃C₃N → HC₃N + CH₃⁺	8.00e-9	0.00	0.00	10 - 41000
17	H₂O + C₄N⁺ → HC₃N + HCO⁺	7.50e-10	-0.50	0.00	10 - 41000
18	HNC₃ + H⁺ → HC₃N + H⁺	3.23e-9	-0.50	0.00	10 - 41000
19	NH₃ + HC₃NH⁺ → NH₄⁺ + HC₃N	2.00e-9	-0.50	0.00	10 - 41000
20	C₂H + HCN → HC₃N + H	5.30e-12	0.00	770.00	297 - 360
21	C₂H + HNC → HC₃N + H	2.50e-10	-0.20	0.00	10 - 300
22	C₂H + NCCN → HC₃N + CN	2.00e-13	0.00	0.00	10 - 300
23	C + CH₂CN → HC₃N + H	1.00e-10	0.00	0.00	10 - 300
24	CN + C₂H₂ → HC₃N + H	2.72e-10	-0.52	19.00	10 - 300
25	HNC₃ + H → HC₃N + H	1.00e-11	0.00	0.00	10 - 41000
26	N + C₃H₂ → HC₃N + H	1.00e-13	0.00	0.00	10 - 300
27	N + CH₂CCH → HC₃N + H₂	8.00e-11	0.00	0.00	10 - 300
28	C₂H + CN → HC₃N + PHOTON	1.00e-16	0.00	0.00	10 - 300

	Reaction	α	β	γ	T_l - T_u (K)
1	H⁺ + HC₃N → HC₃N⁺ + H	4.00e-9	-0.50	0.00	10 - 41000
2	HC₃N + CRPHOT → CN + C₂H	1.30e-17	0.00	863.50	10 - 41000
3	C⁺ + HC₃N → C₂N⁺ + C₂H	1.00e-10	-0.50	0.00	10 - 41000
4	C⁺ + HC₃N → C₃⁺ + HCN	2.50e-10	-0.50	0.00	10 - 41000
5	C⁺ + HC₃N → C₃H⁺ + CN	3.25e-9	-0.50	0.00	10 - 41000
6	C⁺ + HC₃N → C₄N⁺ + H	1.40e-9	-0.50	0.00	10 - 41000
7	C₂H⁺ + HC₃N → C₄H⁺ + HCN	7.60e-10	-0.50	0.00	10 - 41000
8	C₂H⁺ + HC₃N → C₄H₂⁺ + CN	4.56e-10	-0.50	0.00	10 - 41000
9	C₂H⁺ + HC₃N → HC₃NH⁺ + C₂	1.41e-9	-0.50	0.00	10 - 41000
10	C₂H⁺ + HC₃N → HC₅N⁺ + H	1.18e-9	-0.50	0.00	10 - 41000
11	C₂H₃⁺ + HC₃N → HC₃NH⁺ + C₂H₂	3.80e-9	-0.50	0.00	10 - 41000
12	C₂H₄⁺ + HC₃N → HC₃NH⁺ + C₂H₃	1.10e-9	-0.50	0.00	10 - 41000
13	C₂H₅⁺ + HC₃N → HC₃NH⁺ + C₂H₄	3.30e-9	-0.50	0.00	10 - 41000
14	C₃⁺ + HC₃N → C₅H⁺ + CN	3.20e-9	-0.50	0.00	10 - 41000
15	C₃H₅⁺ + HC₃N → HC₃NH⁺ + CH₃CCH	1.00e-10	-0.50	0.00	10 - 41000
16	CH₃⁺ + HC₃N → C₃H₃⁺ + HCN	1.00e-9	-0.50	0.00	10 - 41000
17	CH₅⁺ + HC₃N → HC₃NH⁺ + CH₄	4.50e-9	-0.50	0.00	10 - 41000
18	H₃⁺ + HC₃N → HC₃NH⁺ + H₂	9.10e-9	-0.50	0.00	10 - 41000
19	H₃O⁺ + HC₃N → HC₃NH⁺ + H₂O	4.00e-9	-0.50	0.00	10 - 41000
20	HCNH⁺ + HC₃N → HC₃NH⁺ + HCN	1.70e-9	-0.50	0.00	10 - 41000
21	HCNH⁺ + HC₃N → HC₃NH⁺ + HNC	1.70e-9	-0.50	0.00	10 - 41000
22	HCO⁺ + HC₃N → HC₃NH⁺ + CO	4.00e-9	-0.50	0.00	10 - 41000
23	He⁺ + HC₃N → C₂N⁺ + CH + He	2.84e-9	-0.50	0.00	10 - 41000
24	He⁺ + HC₃N → C₃H⁺ + N + He	4.00e-10	-0.50	0.00	10 - 41000
25	He⁺ + HC₃N → C₃N⁺ + He + H	2.45e-9	-0.50	0.00	10 - 41000
26	He⁺ + HC₃N → CN + C₂H⁺ + He	2.20e-9	-0.50	0.00	10 - 41000
27	HN₂⁺ + HC₃N → HC₃NH⁺ + N₂	4.20e-9	-0.50	0.00	10 - 41000
28	HC₃N + PHOTON → CN + C₂H	5.60e-9	0.00	2.20	10 - 41000
29	C₂H₂⁺ + HC₃N → H₃C₅N⁺ + PHOTON	2.00e-12	-2.50	0.00	10 - 300
30	C₄H₂⁺ + HC₃N → H₃C₇N⁺ + PHOTON	2.00e-12	-2.50	0.00	10 - 300
31	CH₃⁺ + HC₃N → CH₃C₃NH⁺ + PHOTON	8.60e-11	-1.40	0.00	10 - 300

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

HC3N

HC₃N