| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.53053 | |||
| Density | 1.14 | g cm-3 | ||
| Mean excitation energy | 68.4 | eV | ||
| Minimum ionization | 1.906 | MeV g-1cm2 | 2.183 | MeV cm-1 |
| Nuclear collision length | 57.8 | g cm-2 | 50.49 | cm |
| Nuclear interaction length | 82.4 | g cm-2 | 72.00 | cm |
| Pion collision length | 85.2 | g cm-2 | 74.45 | cm |
| Pion interaction length | 114.4 | g cm-2 | 99.93 | cm |
| Radiation length | 43.58 | g cm-2 | 38.06 | cm |
| Critical energy | 91.13 | MeV (for e-) | 88.71 | MeV (for e+) |
| Molière radius | 10.14 | g cm-2 | 8.857 | cm |
Plasma energy ![]() |
22.46 | eV | ||
| Muon critical energy | 1161. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 1 | |||
| 6 | |||
| * calculated from mass fraction data. | |||