| Name | Exergy / MeV/atom | Exergy / TJ/kg |
|---|---|---|
| Th209 | 8.1 | 3.7 |
| Th212 | 30.5 | 13.9 |
| Th214 | 26.9 | 12.1 |
| Th215 | 7.7 | 3.4 |
| Th216 | 26.1 | 11.7 |
| Th217 | 26.7 | 11.9 |
| Th218 | 27.0 | 11.9 |
| Th219 | 28.0 | 12.4 |
| Th220 | 30.1 | 13.2 |
| Th221 | 31.1 | 13.6 |
| Th222 | 31.3 | 13.6 |
| Th223 | 32.1 | 13.9 |
| Th224 | 32.0 | 13.8 |
| Th225 | 34.0 | 14.6 |
| Th226 | 34.9 | 14.9 |
| Th227 | 36.1 | 15.4 |
| Th228 | 36.4 | 15.4 |
| Th229 | 38.9 | 16.4 |
| Th230 | 40.1 | 16.8 |
| Th231 | 41.7 | 17.4 |
| Th232 | 42.7 | 17.7 |
| Th233 | 45.6 | 18.9 |
| Th234 | 47.4 | 19.6 |
| Th235 | 49.5 | 20.3 |
| Th236 | 51.0 | 20.9 |
| Th237 | 54.4 | 22.1 |
| Th238 | 56.9 | 23.1 |
| Pa212 | 40.2 | 18.3 |
| Pa213 | 16.1 | 7.3 |
| Pa215 | 33.6 | 15.1 |
| Pa216 | 32.6 | 14.6 |
| Pa217 | 8.5 | 3.8 |
| Pa218 | 9.8 | 4.3 |
| Pa219 | 17.8 | 7.9 |
| Pa220 | 34.6 | 15.2 |
| Pa221 | 33.5 | 14.6 |
| Pa222 | 35.2 | 15.3 |
| Pa223 | 34.7 | 15 |
| Pa224 | 34.9 | 15 |
| Pa225 | 36.0 | 15.5 |
| Pa226 | 37.4 | 16 |
| Pa227 | 37.0 | 15.7 |
| Pa228 | 37.5 | 15.9 |
| Pa229 | 39.2 | 16.5 |
| Pa230 | 40.5 | 17 |
| Pa231 | 41.3 | 17.3 |
| Pa232 | 43.2 | 17.9 |
| Pa233 | 44.3 | 18.4 |
| Pa234 | 47.2 | 19.4 |
| Pa235 | 47.8 | 19.6 |