85-At-216  basic  element

85-astatine-216 Atomic Mass: 216.0024088 +- 0.0000045 amu Excess Mass: 2243.818 +- 4.234 keV Binding Energy: 1674661.869 +- 4.244 keV Beta Decay Energy: B- 2003.351 +- 8.009 keV "The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995. Spin: 1- Half life: 0.30 ms Mode of decay: Alpha to Bi-212 Decay energy: 7.949 MeV Mode of decay: Beta to Rn-216 Branch ratio: <0.0060 % Decay energy: 2.003 MeV Mode of decay: EC to Po-216 Branch ratio: <3.0E-7 % Decay energy: 0.469 MeV Meta state at 0.413 Mev Spin: (9-) Half life: 0.1 ms Mode of decay: Alpha to Bi-212 Decay energy: 8.362 MeV Possible parent nuclides: Alpha from Fr-220 R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)