77-Ir-181
 basic

 element
77-iridium-181

  • Atomic Mass: 180.9576422 +- 0.0002260 amu
  • Excess Mass: -39456.072 +- 210.530 keV
  • Binding Energy: 1440124.288 +- 210.530 keV
  • Beta Decay Energy: B- -5156.000 +- 348.000 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: (5/2)-
  • Half life: 4.90 min
  • Mode of decay: Electron capture to Os-181
    • Decay energy: 4.070 MeV

  • Possible parent nuclides:
    Alpha from Au-185
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)