HC₇N

Cyanohexatriyne
Flags: Detected, RATE12
Empirical: C₇HN
Mass: 99 amu
Dipole moment: 4.620 D
Added to system: 2003-04-28 18:00:51

7 HC₇N formation reactions

	Reaction	α	β	γ	T_l - T_u (K)
1	N + C₇H^- → HC₇N + e^-	5.00e-12	0.00	0.00	10 - 300
2	CH₃C₇NH⁺ + e^- → HC₇N + CH₃	1.00e-6	-0.30	0.00	10 - 300
3	H₂C₇N⁺ + e^- → HC₇N + H	1.00e-6	-0.30	0.00	10 - 300
4	H₃C₇N⁺ + e^- → HC₇N + H₂	1.00e-6	-0.30	0.00	10 - 300
5	H⁺ + CH₃C₇N → HC₇N + CH₃⁺	1.00e-8	-0.50	0.00	10 - 41000
6	CN + C₆H₂ → HC₇N + H	2.72e-10	-0.52	19.00	10 - 300
7	N + C₇H₂ → HC₇N + H	1.00e-13	0.00	0.00	10 - 300

	Reaction	α	β	γ	T_l - T_u (K)
1	H⁺ + HC₇N → HC₇N⁺ + H	1.00e-8	-0.50	0.00	10 - 300
2	HC₇N + CRPHOT → C₆H + CN	1.30e-17	0.00	875.00	10 - 41000
3	C⁺ + HC₇N → C₇H⁺ + CN	6.00e-9	-0.50	0.00	10 - 41000
4	H₃⁺ + HC₇N → H₂C₇N⁺ + H₂	9.00e-9	-0.50	0.00	10 - 41000
5	HCO⁺ + HC₇N → H₂C₇N⁺ + CO	4.00e-9	-0.50	0.00	10 - 41000
6	He⁺ + HC₇N → C₆H⁺ + CN + He	7.00e-9	-0.50	0.00	10 - 41000
7	HC₇N + PHOTON → C₆H + CN	1.00e-9	0.00	1.70	10 - 41000
8	HC₇N + PHOTON → HC₇N⁺ + e^-	2.00e-10	0.00	2.50	10 - 41000
9	C₂H₂⁺ + HC₇N → H₃C₉N⁺ + PHOTON	2.00e-12	-2.50	0.00	10 - 300
10	CH₃⁺ + HC₇N → CH₃C₇NH⁺ + 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.

HC7N