Open Access
Table A.2
Chemical reaction rates, cm,T
| Atom | cm,T |
|---|---|
| H | 0.713 |
| He | 0.459 |
| C | 3.252 |
| N | 2.522 |
| O | 2.208 |
| P | 4.796 |
| S | 4.064 |
| Ar | 2.919 |
| Diatomic | cm,T |
| C2 | 4.061 |
| CF+ | 1.383 |
| CH | 3.190 |
| CH+ | 0.795 |
| CN | 3.881 |
| CN− | 28.653 |
| CO | 3.476 |
| CO+ | 1.401 |
| CP | 5.960 |
| CS | 5.432 |
| H2 | 1.000 |
| HF | 2.388 |
| HS | 4.271 |
| N2 | 3.319 |
| NH | 2.740 |
| NO | 3.779 |
| NO+ | 1.316 |
| NS | 5.474 |
| O2 | 3.699 |
| OH | 2.666 |
| OH+ | 0.809 |
| PH | 4.465 |
| PN | 5.570 |
| PO | 5.855 |
| Molecule | cm,T |
| S2 | 7.123 |
| SO | 5.300 |
| Triatomic | cm,T |
| C2H | 4.987 |
| C3 | 6.306 |
| CCN | 6.004 |
| CCO | 5.990 |
| CH2 | 3.473 |
| CNO | 5.790 |
| CO2 | 5.287 |
| H2O | 3.232 |
| H2O+ | 1.028 |
| H2S | 4.710 |
 |
0.306 |
| HCN | 4.357 |
| HCO | 4.662 |
| HCO+ | 1.643 |
| HNC | 4.574 |
| HNO | 4.783 |
| HO2 | 4.792 |
| HOC+ | 1.705 |
| HPO | 6.258 |
| N2H+ | 1.622 |
| N2O | 5.460 |
| NH2 | 3.366 |
| NO2 | 5.517 |
| O3 | 5.734 |
| OCN | 5.625 |
| OCS | 7.049 |
| PH2 | 4.887 |
| SO2 | 6.986 |
| 4-atomic | cm,T |
| C2H2 | 5.463 |
| C2N2 | 7.237 |
| C3N | 7.753 |
| C3N− | 35.329 |
| C3O | 8.028 |
| C4 | 8.618 |
| CH2O | 5.212 |
| CH3 | 3.906 |
| CHNO | 6.348 |
| CO2H+ | 2.713 |
| H2CN | 5.206 |
| H2CS | 7.162 |
| H2O2 | 5.657 |
| H3O+ | 1.281 |
| HC2O | 6.741 |
| HCCN | 6.777 |
| HCCO | 6.820 |
| HCNH+ | 1.924 |
| HCNO | 6.692 |
| HCNS | 9.062 |
| HNCO | 6.345 |
| HNCS | 8.507 |
| HOCO | 6.558 |
| HSCN | 7.877 |
| HSSH | 8.610 |
| NCSH | 7.878 |
| NH3 | 3.971 |
| NO3 | 7.138 |
| SO3 | 8.382 |
| c-C3H | 7.137 |
| l-C3H | 7.579 |
| l-C3H+ | 2.881 |
| 5-atomic | cm,T |
| C2H2O | 7.272 |
| C2H3 | 6.257 |
| C2HNO | 8.029 |
| C4H | 9.160 |
| C4H− | 47.898 |
| C5 | 10.496 |
| CH2NH | 6.580 |
| CH2OH | 6.342 |
| CH2PH | 7.740 |
| CH2SH | 7.959 |
| CH3O | 5.522 |
| CH3S | 7.711 |
| CH4 | 4.090 |
| H2CCN | 7.107 |
| H2CCS | 9.419 |
| H2NCO+ | 4.804 |
| HC2NC | 8.750 |
| HC3N | 8.461 |
| HC3O | 8.760 |
| HCCCO | 8.768 |
| HCNCC | 9.519 |
| HCOOH | 7.030 |
| HNC3 | 9.371 |
| N2H3 | 6.805 |
| NCCNH+ | 3.890 |
| NH2CN | 7.681 |
 |
1.469 |
| NHCNH | 7.828 |
| c-C3H2 | 7.969 |
| l-C3H2 | 8.009 |
| 6-atomic | cm,T |
| C2H4 | 6.552 |
| C3H3 | 8.596 |
| C4H2 | 10.103 |
| C5H | 11.728 |
| C5N | 11.910 |
| C5N− | 41.216 |
| CH2CCO | 9.963 |
| CH2NH2 | 7.559 |
| CH3CN | 7.360 |
| CH3NC | 7.644 |
| CH3NCO | 10.829 |
| CH3NH | 6.685 |
| CH3OH | 6.502 |
| H2CCNH | 8.355 |
| HC2CHO | 9.454 |
| HC3NH+ | 4.418 |
| HCOCHO | 8.916 |
| HNCHCN | 8.976 |
| HNCHSH | 9.831 |
| N2H4 | 7.337 |
| NC4N | 11.206 |
| NH2CHO | 8.228 |
| NH2CHS | 10.516 |
| c-H2C3O | 9.600 |
| l-HC4H | 9.993 |
| l-HC4N | 11.367 |
| 7-atomic | cm,T |
| C2H5 | 7.383 |
| C6H | 13.576 |
| C6H− | 50.847 |
| CH2CCH2 | 9.199 |
| CH2CHCN | 9.646 |
| CH3C2H | 8.860 |
| CH3CHO | 8.352 |
| CH3CHS | 10.436 |
| CH3NH2 | 7.440 |
| H2CCHOH | 8.824 |
| HC5N | 12.515 |
| c-C2H4O | 10.563 |
| 8-atomic | cm,T |
| C2H3NH2 | 10.056 |
| C2H6 | 7.462 |
| C3H5 | 9.836 |
| C4H4 | 11.289 |
| C6H2 | 14.753 |
| C7H | 16.800 |
| CH2CCHCN | 11.912 |
| CH2CHCHO | 10.575 |
| CH2OHCHO | 10.422 |
| CH3C3N | 11.691 |
| CH3CHNH | 9.417 |
| CH3COCN | 11.037 |
| CH3COOH | 10.210 |
| CH3OCH2 | 9.636 |
| HCOOCH3 | 10.238 |
| NC6N | 15.387 |
| NH2CH2CN | 10.308 |
| l-HC6H | 14.597 |
| 9-atomic | cm,T |
| C2H5CN | 10.534 |
| C2H5OH | 9.813 |
| C4H5 | 12.083 |
| C5H4 | 13.373 |
| C8H | 17.401 |
| C8H− | 54.738 |
| CH2CCCH2 | 14.448 |
| CH3C4H | 13.542 |
| CH3CONH2 | 11.505 |
| CH3NHCHO | 11.590 |
| CH3OCH3 | 9.817 |
| HC7N | 16.778 |
| l-C3H6 | 10.079 |
| 10-atomic and more | cm,T |
| C10H2 | 22.934 |
| C2H5CHO | 11.476 |
| C2H5OCH3 | 13.377 |
| C3H5CN | 12.852 |
| C3H7 | 10.849 |
| C3H8 | 10.849 |
| C4H10 | 14.267 |
| C4H7 | 13.353 |
| C4H8 | 14.267 |
| C5H5 | 14.297 |
| C5H6 | 14.750 |
| C5H7 | 16.314 |
| C5H8 | 15.996 |
| C5H9 | 16.741 |
| C6H4 | 15.829 |
| C6H7 | 17.953 |
| C6H8 | 18.079 |
| C7H4 | 18.154 |
| C7H7 | 22.830 |
| C8H2 | 19.269 |
| C8H6 | 21.514 |
| CH2CHCHCH2 | 12.495 |
| CH2OHCH2OH | 12.313 |
| CH3C5N | 15.909 |
| CH3C6H | 18.239 |
| CH3COCH3 | 11.656 |
| CH3COOCH3 | 13.661 |
| CH3OCH2OH | 12.089 |
| HC11N | 25.198 |
| HC9N | 21.100 |
| HCOOC2H5 | 13.549 |
| R–CH3CHCH2O | 11.925 |
| S – CH3CHCH2O | 11.925 |
| c-C6H5CN | 18.613 |
| c-C6H6 | 17.007 |
| i-C3H7CN | 13.695 |
| n-C3H7CN | 13.813 |
| C14H10 | 41.065 |
| C5H10 | 16.887 |
| C5H11 | 17.624 |
| C5H12 | 17.702 |
| C6H10 | 19.434 |
| C6H11 | 20.318 |
| C6H12 | 21.104 |
| C6H13 | 22.204 |
| C6H14 | 21.143 |
| C6H9 | 19.272 |
| C7H10 | 22.314 |
| C7H8 | 20.136 |
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