Table 2. Activation Enthalpies, Ea, and Pre-exponential Factors, A, Obtained From the Temperature Dependences of the Rates, Critical Temperatures for Explosion, Tc, and the Specific and Molar Heats of Explosion, Q and Qm, Respectively, for 25 Gas-phase Explosive Molecules.
| A (ps–1) | Ea (eV) | Tc (t* = 1 ns) (K) | Q (kJ/g) | Qm (kJ/mol) | |
|---|---|---|---|---|---|
| DAAF | 36000 | 1.96 | 1303 | 5.25 | 1113 |
| ETN | 7100 | 1.26 | 925 | 6.03 | 1822 |
| L-ETN | 9600 | 1.31 | 947 | 6.05 | 1827 |
| PETN | 18000 | 1.48 | 1028 | 5.91 | 1869 |
| PETN-CH | 870 | 1.22 | 1035 | 5.42 | 1308 |
| PETN-CMe | 1000 | 1.19 | 1000 | 4.56 | 1162 |
| PETN-CNH2 | 460 | 0.96 | 855 | 5.11 | 1309 |
| CL-20 | 1700 | 1.07 | 989 | 6.29 | 2754 |
| RDX | 410 | 1.14 | 1021 | 5.17 | 1149 |
| HMX | 520 | 1.08 | 953 | 5.30 | 1572 |
| ETNA | 26000 | 1.91 | 1300 | 4.80 | 1412 |
| DATB | 1200 | 1.92 | 1587 | 3.86 | 939 |
| TATB | 1100 | 1.81 | 1508 | 3.78 | 976 |
| DNAN | 240 | 1.67 | 1567 | 4.29 | 849 |
| HNS | 250 | 1.58 | 1475 | 4.32 | 1943 |
| 2,3,4-TNT | 100 | 1.43 | 1437 | 4.66 | 1058 |
| 3,4,5-TNT | 230 | 1.58 | 11487 | 4.65 | 1055 |
| 2,4,6-TNT | 6200 | 2.31 | 1717 | 4.44 | 1008 |
| TNA | 380 | 1.78 | 1597 | 4.09 | 933 |
| tetryl | 1200 | 1.06 | 877 | 4.57 | 1313 |
| picric acid | 160 | 1.36 | 1317 | 3.63 | 830 |
| TNBAL | 810 | 1.89 | 1609 | 3.88 | 934 |
| NQ | 390 | 1.62 | 1462 | 4.50 | 469 |
| ETA | 2500000 | 2.13 | 1145 | 6.00 | 1333 |