| Atomic Mass | Mass Excess |
| 157.96639806091 amu | -31.3 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | (2-) | 72 MS 12 | A | 6.21 | |
| .141 | (9+) | 37.7 MS 1.5 | A | 93 | 6.21 |
| .141 | (9+) | 37.7 MS 1.5 | EC | 7 | 10.9 |
There is no gamma-rays or the intensities are so weak!