| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.56577 | |||
| Density | 0.803 | g cm-3 | ||
| Mean excitation energy | 61.1 | eV | ||
| Minimum ionization | 2.062 | MeV g-1cm2 | 1.657 | MeV cm-1 |
| Nuclear collision length | 56.8 | g cm-2 | 70.71 | cm |
| Nuclear interaction length | 79.9 | g cm-2 | 99.41 | cm |
| Pion collision length | 84.4 | g cm-2 | 105.0 | cm |
| Pion interaction length | 111.8 | g cm-2 | 139.1 | cm |
| Radiation length | 41.76 | g cm-2 | 51.97 | cm |
| Critical energy | 94.29 | MeV (for e-) | 91.82 | MeV (for e+) |
| Molière radius | 9.39 | g cm-2 | 11.69 | cm |
Plasma energy ![]() |
19.43 | eV | ||
| Muon critical energy | 1202. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 1 | |||
| 6 | |||
| 8 | |||
| * calculated from mass fraction data. | |||