| Atomic Mass | Mass Excess |
| 151.924713406184 amu | -70.129 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 0+ | 2.38 H 0.02 | EC | 99.9 | .6 |
| Ground state | 0+ | 2.38 H 0.02 | A | .1 | 3.727 |
| Decay mode | Half-life | Gamma-ray energy (keV) | Intensity (%) |
| EC | 2.38 H 0.02 | 256.93 | 97.50+- 0.07 |