| Atomic Mass | Mass Excess |
| 156.950101657224 amu | -46.480 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | (1/2+,3/2+) | 6.8 S 1.8 | A | >0.00 | 5.096 |
| .026 | (11/2-) | 4.79 S 0.12 | EC | 94 | 6.956 |
| .026 | (11/2-) | 4.79 S 0.12 | A | 6 | 5.122 |
There is no gamma-rays or the intensities are so weak!