85-At-212  basic  element

85-astatine-212 Atomic Mass: 211.9907347 +- 0.0000044 amu Excess Mass: -8630.610 +- 4.069 keV Binding Energy: 1653251.006 +- 4.079 keV Beta Decay Energy: B- 42.624 +- 4.109 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: 0.314 s Mode of decay: Alpha to Bi-208 Decay energy: 7.829 MeV Mode of decay: EC to Po-212 Branch ratio: <0.03 % Decay energy: 1.754 MeV Mode of decay: Beta to Rn-212 Branch ratio: <2.0E-6 % Decay energy: 0.043 MeV Meta state at 0.222 Mev Spin: (9-) Half life: 0.119 s Mode of decay: Alpha to Bi-208 Branch ratio: >99.00 % Decay energy: 8.051 MeV Mode of decay: IT to At-212 Branch ratio: <1.00 % Decay energy: 0.222 MeV Possible parent nuclides: Alpha from Fr-216 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) Magnetic Dipole Moments and Electric Quadrupole Moments Ex(kev) T1/2 Spin      m(nm)      Q(b)      Ref. Std. Method Reference 888 19.4 ns 11+ 5.94(11) TDPAD NP A567 445 (94) 5.95(12) 1616 37 ns 15- 9.46(8) TDPAD NP A567 445 (94) 9.33(15) TDPAD PR C20 960 (79) N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.