87-Fr-215

Atomic Mass: 215.0003260 ± 0.0000081 amu
Excess Mass: 303.694 ± 7.550 keV
Binding Energy: 1666965.964 ± 7.556 keV
Beta Decay Energy: B- -2215.247 ± 10.037 keV

Spin: 9/2-
Half life: 86 NS ( 5.8140 % )
Mode of decay: Alpha to At-211
- Decay energy: 9.540 MeV
Possible parent nuclides:

Alpha from Ac-219