| Atomic Mass | Mass Excess |
| 142.910928022802 amu | -82.970 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 5/2+ | 265 D 7 | EC | 100 | 1.041 |
| Decay mode | Half-life | Gamma-ray energy (keV) | Intensity (%) |
| EC | 265 D 7 | 741.98 | 38.5+- 2.4 |