| Atomic Mass | Mass Excess |
| 159.94602218858 amu | -50.28 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | 36.1 S 0.3 | EC | 100 | 7.88 | |
| Ground state | 36.1 S 0.3 | A | <0.00=1 | 0 4.110 | |
| Ground state | 40 S 1 | EC | <=100.0 | 0 7.880 | |
| Ground state | 40 S 1 | A | 4.11 |
There is no gamma-rays or the intensities are so weak!