80-Hg-205

Atomic Mass: 204.9760561 ± 0.0000050 amu
Excess Mass: -22303.593 ± 4.675 keV
Binding Energy: 1614336.496 ± 4.683 keV
Beta Decay Energy: B- 1531.220 ± 3.789 keV

Spin: 1/2-
Half life: 5.2 M ( 1.9231 % )
Mode of decay: Beta to Tl-205
- Decay energy: 1.531 MeV
Possible parent nuclides:

Beta from Au-205