| Atomic Mass | Mass Excess |
| 148.942458021239 amu | -53.6 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 0.344 S 0.007 | B- | 100 | 7.5 | |
| Ground state | 0.344 S 0.007 | B-N | .43 | 1.5 |
There is no gamma-rays or the intensities are so weak!