HCN
Hydrogen cyanide
Flags: Detected, RATE12
Empirical: CHN
Mass: 27 amu
Dipole moment: 2.980 D
Heat of formation: 135.5 kJ mol-1
Added to system: 2003-04-28 18:00:51
Reactions: Formation | Destruction
121 HCN formation reactions
Reaction | α | β | γ | Tl - Tu (K) | |
---|---|---|---|---|---|
1 | C- + NH → HCN + e- | 5.00e-10 | 0.00 | 0.00 | 10 - 41000 |
2 | H- + CN → HCN + e- | 1.00e-10 | 0.00 | 0.00 | 10 - 41000 |
3 | H + CN- → HCN + e- | 6.30e-10 | 0.00 | 0.00 | 10 - 41000 |
4 | H+ + HNC → HCN + H+ | 1.00e-9 | 0.00 | 0.00 | 10 - 41000 |
5 | C2H2 + HCN+ → C2H2+ + HCN | 1.50e-9 | 0.00 | 0.00 | 10 - 41000 |
6 | H2O + HCN+ → HCN + H2O+ | 1.80e-9 | -0.50 | 0.00 | 10 - 41000 |
7 | H + HCN+ → HCN + H+ | 3.70e-11 | 0.00 | 0.00 | 10 - 41000 |
8 | HCN+ + NO → NO+ + HCN | 8.10e-10 | 0.00 | 0.00 | 10 - 41000 |
9 | HCN+ + O2 → O2+ + HCN | 3.20e-10 | 0.00 | 0.00 | 10 - 41000 |
10 | HCN+ + S → S+ + HCN | 5.70e-10 | 0.00 | 0.00 | 10 - 41000 |
11 | NH3 + HCN+ → HCN + NH3+ | 1.68e-9 | -0.50 | 0.00 | 10 - 41000 |
12 | H2CN + CRPHOT → HCN + H | 1.30e-17 | 0.00 | 750.00 | 10 - 41000 |
13 | CH2CHCNH+ + e- → C2H2 + HCN + H | 4.45e-7 | -0.80 | 0.00 | 10 - 1000 |
14 | CH2CN+ + e- → HCN + CH | 1.50e-7 | -0.50 | 0.00 | 10 - 300 |
15 | CH3CN+ + e- → HCN + CH2 | 1.50e-7 | -0.50 | 0.00 | 10 - 300 |
16 | CH4N+ + e- → HCN + H2 + H | 3.00e-7 | -0.50 | 0.00 | 10 - 300 |
17 | HC3N+ + e- → HCN + C2 | 3.60e-7 | -0.60 | 0.00 | 10 - 300 |
18 | HC5NH+ + e- → HCN + C4H | 4.40e-7 | -0.70 | 0.00 | 10 - 1000 |
19 | HCNH+ + e- → HCN + H | 9.50e-8 | -0.65 | 0.00 | 10 - 300 |
20 | HCNOH+ + e- → HCN + OH | 1.00e-7 | -0.50 | 0.00 | 10 - 300 |
21 | NH2CNH+ + e- → NH2 + HCN | 1.00e-7 | -0.50 | 0.00 | 10 - 41000 |
22 | C+ + CH2CHCN → C3H2+ + HCN | 9.84e-10 | -0.50 | 0.00 | 10 - 41000 |
23 | C+ + HC3N → C3+ + HCN | 2.50e-10 | -0.50 | 0.00 | 10 - 41000 |
24 | C2H+ + HC3N → C4H+ + HCN | 7.60e-10 | -0.50 | 0.00 | 10 - 41000 |
25 | C2H2+ + CH3CN → C3H4+ + HCN | 1.06e-9 | -0.50 | 0.00 | 10 - 41000 |
26 | C2H2 + C2N+ → C3H+ + HCN | 8.00e-10 | 0.00 | 0.00 | 10 - 41000 |
27 | C2H2 + C4N+ → C5H+ + HCN | 8.00e-10 | 0.00 | 0.00 | 10 - 41000 |
28 | C2H2 + HC3N+ → C4H2+ + HCN | 5.12e-10 | 0.00 | 0.00 | 10 - 41000 |
29 | CH2 + HCNH+ → HCN + CH3+ | 4.35e-10 | 0.00 | 0.00 | 10 - 41000 |
30 | CH3+ + CH3CN → C2H5+ + HCN | 6.66e-10 | -0.50 | 0.00 | 10 - 41000 |
31 | CH3+ + HC3N → C3H3+ + HCN | 1.00e-9 | -0.50 | 0.00 | 10 - 41000 |
32 | CH4 + C4N+ → C4H3+ + HCN | 1.71e-10 | 0.00 | 0.00 | 10 - 41000 |
33 | CH4 + HC3N+ → C3H4+ + HCN | 8.30e-11 | 0.00 | 0.00 | 10 - 41000 |
34 | CH + HCNH+ → HCN + CH2+ | 3.15e-10 | -0.50 | 0.00 | 10 - 41000 |
35 | CN+ + H2CO → HCO+ + HCN | 5.20e-10 | -0.50 | 0.00 | 10 - 41000 |
36 | H+ + CH3CN → CH3+ + HCN | 3.00e-9 | -0.50 | 0.00 | 10 - 41000 |
37 | H2 + C4N+ → C3H+ + HCN | 2.20e-11 | 0.00 | 0.00 | 10 - 41000 |
38 | H2 + HC3N+ → HCN + C2H2+ | 2.00e-12 | 0.00 | 0.00 | 10 - 41000 |
39 | H2O + C2N+ → HCO+ + HCN | 2.30e-10 | -0.50 | 0.00 | 10 - 41000 |
40 | CNC+ + H2O → HCO+ + HCN | 1.63e-9 | -0.50 | 0.00 | 10 - 41000 |
41 | H2S + C2N+ → HCS+ + HCN | 1.20e-9 | -0.50 | 0.00 | 10 - 41000 |
42 | HCNH+ + CH2CHCN → CH2CHCNH+ + HCN | 2.25e-9 | -0.50 | 0.00 | 10 - 41000 |
43 | HCNH+ + CH3CN → CH3CNH+ + HCN | 1.90e-9 | -0.50 | 0.00 | 10 - 41000 |
44 | HCNH+ + H2CO → H3CO+ + HCN | 1.05e-9 | -0.50 | 0.00 | 10 - 41000 |
45 | HCNH+ + H2S → H3S+ + HCN | 1.70e-10 | -0.50 | 0.00 | 10 - 41000 |
46 | HCNH+ + HC3N → HC3NH+ + HCN | 1.70e-9 | -0.50 | 0.00 | 10 - 41000 |
47 | He+ + CH2CHCN → HCN + C2H2+ + He | 3.50e-9 | -0.50 | 0.00 | 10 - 41000 |
48 | N + C2H2+ → HCN + CH+ | 2.50e-11 | 0.00 | 0.00 | 10 - 41000 |
49 | N + C3H5+ → C2H4+ + HCN | 1.10e-10 | 0.00 | 0.00 | 10 - 41000 |
50 | N + C4H2+ → C3H+ + HCN | 1.71e-10 | 0.00 | 0.00 | 10 - 41000 |
51 | N + C6H2+ → C5H+ + HCN | 1.90e-10 | 0.00 | 0.00 | 10 - 41000 |
52 | N + C6H5+ → CH3C4H+ + HCN | 3.70e-11 | 0.00 | 0.00 | 10 - 41000 |
53 | N + HC3N+ → C2N+ + HCN | 1.44e-10 | 0.00 | 0.00 | 10 - 41000 |
54 | N + SiCH2+ → Si+ + HCN + H | 7.60e-10 | 0.00 | 0.00 | 10 - 41000 |
55 | NH2 + HCNH+ → HCN + NH3+ | 4.45e-10 | -0.50 | 0.00 | 10 - 41000 |
56 | NH3 + C2N+ → HCNH+ + HCN | 1.80e-9 | -0.50 | 0.00 | 10 - 41000 |
57 | CNC+ + NH3 → HCNH+ + HCN | 1.90e-9 | -0.50 | 0.00 | 10 - 41000 |
58 | NH3 + HCNH+ → HCN + NH4+ | 1.10e-9 | -0.50 | 0.00 | 10 - 41000 |
59 | Na + HCNH+ → HCN + Na+ + H | 1.35e-9 | 0.00 | 0.00 | 10 - 41000 |
60 | C- + HCNH+ → C + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
61 | C10- + HCNH+ → C10 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
62 | C10H- + HCNH+ → C10H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
63 | C2- + HCNH+ → C2 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
64 | C2H- + HCNH+ → C2H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
65 | C3- + HCNH+ → C3 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
66 | C3H- + HCNH+ → C3H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
67 | C3N- + HCNH+ → C3N + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
68 | C4- + HCNH+ → C4 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
69 | C4H- + HCNH+ → C4H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
70 | C5- + HCNH+ → C5 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
71 | C5H- + HCNH+ → C5H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
72 | C5N- + HCNH+ → C5N + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
73 | C6- + HCNH+ → C6 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
74 | C6H- + HCNH+ → C6H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
75 | C7- + HCNH+ → C7 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
76 | C7H- + HCNH+ → C7H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
77 | C8- + HCNH+ → C8 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
78 | C8H- + HCNH+ → C8H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
79 | C9- + HCNH+ → C9 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
80 | C9H- + HCNH+ → C9H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
81 | CH- + HCNH+ → CH + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
82 | CN- + HCNH+ → CN + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
83 | H- + HCNH+ → H + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
84 | O- + HCNH+ → O + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
85 | O2- + HCNH+ → O2 + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
86 | OH- + HCNH+ → OH + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
87 | S- + HCNH+ → S + HCN + H | 3.76e-8 | -0.50 | 0.00 | 10 - 41000 |
88 | C2H2 + NO → HCN + CO + H | 8.97e-12 | 0.00 | 18973.00 | 1100 - 1500 |
89 | C + NH2 → HCN + H | 3.26e-11 | -0.10 | -9.00 | 10 - 300 |
90 | CH2 + CN → HCN + CH | 5.30e-12 | 0.00 | 2500.00 | 83 - 300 |
91 | CH2 + N2 → HCN + NH | 8.00e-12 | 0.00 | 18000.00 | 1500 - 2000 |
92 | CH2 + NO → HCN + OH | 3.65e-12 | 0.00 | 0.00 | 300 - 2000 |
93 | CH3 + CN → HCN + CH2 | 9.21e-12 | 0.70 | 1500.00 | 50 - 300 |
94 | CH3 + NO → HCN + H2O | 4.00e-12 | 0.00 | 7900.00 | 1100 - 2080 |
95 | CH4 + CN → HCN + CH3 | 3.14e-12 | 1.53 | 504.00 | 160 - 2500 |
96 | CH + N2 → HCN + N | 5.60e-13 | 0.88 | 10128.00 | 1000 - 4000 |
97 | CH + NO → HCN + O | 1.20e-10 | -0.13 | 0.00 | 13 - 708 |
98 | CN + C2H4 → C2H3 + HCN | 1.25e-10 | 0.70 | 30.00 | 25 - 2500 |
99 | CN + CH3CH3 → C2H5 + HCN | 2.34e-11 | 1.02 | -35.00 | 185 - 1140 |
100 | CN + H2CO → HCO + HCN | 2.60e-10 | -0.47 | 826.00 | 297 - 2500 |
101 | CN + HCO → CO + HCN | 1.00e-10 | 0.00 | 0.00 | 10 - 2500 |
102 | CN + HNO → NO + HCN | 3.00e-11 | 0.00 | 0.00 | 10 - 2500 |
103 | CN + SiH4 → HCN + SiH3 | 2.20e-10 | 0.00 | 0.00 | 296 - 296 |
104 | H2 + CN → HCN + H | 4.04e-13 | 2.87 | 820.00 | 200 - 3500 |
105 | H + H2CN → HCN + H2 | 1.00e-10 | 0.00 | 0.00 | 10 - 300 |
106 | H + HNC → HCN + H | 1.14e-13 | 4.23 | -114.60 | 10 - 1000 |
107 | H + NCCN → HCN + CN | 1.48e-10 | 0.00 | 3588.00 | 300 - 2900 |
108 | H + OCN → HCN + O | 1.87e-11 | 0.90 | 2924.00 | 500 - 2500 |
109 | HOCN + C → CO + HCN | 3.33e-11 | 0.00 | 0.00 | 10 - 300 |
110 | N + C2H4 → HCN + CH3 | 3.69e-14 | 0.00 | 161.00 | 291 - 701 |
111 | N + CH2 → HCN + H | 3.95e-11 | 0.17 | 0.00 | 10 - 300 |
112 | N + CH3 → HCN + H2 | 1.30e-11 | 0.50 | 0.00 | 10 - 300 |
113 | N + CH3 → HCN + H + H | 3.32e-13 | 0.00 | 0.00 | 253 - 352 |
114 | N + H2CN → HCN + NH | 1.00e-10 | 0.00 | 200.00 | 200 - 2500 |
115 | N + HCO → HCN + O | 1.70e-10 | 0.00 | 0.00 | 10 - 300 |
116 | N + HCS → S + HCN | 1.00e-10 | 0.00 | 0.00 | 10 - 300 |
117 | NH3 + CN → HCN + NH2 | 2.75e-11 | -1.14 | 0.00 | 10 - 300 |
118 | NH + CN → HCN + N | 2.94e-12 | 0.50 | 1000.00 | 33 - 300 |
119 | OH + CN → HCN + O | 1.00e-11 | 0.00 | 1000.00 | 500 - 2500 |
120 | OH + NCCN → HCN + OCN | 3.11e-13 | 0.00 | 1450.00 | 300 - 550 |
121 | H2CN + PHOTON → HCN + H | 5.48e-10 | 0.00 | 2.00 | 10 - 41000 |
Variation of log fractional abundance (relative to H2) with log time (years) in a dark cloud model. Ref. RATE12 paper.