| Atomic Mass | Mass Excess |
| 148.928287235425 amu | -66.80 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | (3/2-) | 5.3 S 0.2 | B- | 100 | 4.19 |
There is no gamma-rays or the intensities are so weak!