77-Ir-188
 basic
 XS graphs

 element
77-iridium-188

  • Atomic Mass: 187.9588520 +- 0.0000079 amu
  • Excess Mass: -38329.144 +- 7.388 keV
  • Binding Energy: 1495496.620 +- 7.392 keV
  • Beta Decay Energy: B- -506.486 +- 7.209 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: 41.5 h
  • Mode of decay: Electron capture to Os-188
    • Decay energy: 2.809 MeV

    Meta state at 0.000 Mev
  • Half life: 4.2 ms
  • Mode of decay: IT to Ir-188

  • Possible parent nuclides:
    Electron capture from Pt-188
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)T1/2Spin    m(nm)    Q(b)    Ref. Std.MethodReference
040.5 h1(-) 0.302(10) [193Ir]"NMR/ON, NO/S"PR C32 582 (85)
+0.484(6) [Ir189]NMR/ONPRL 77 5016 (96)
+0.54(2) [193Ir]NMR/ONPR C32 582 (85)
+0.49(3) [193Ir]NMR/ONHFI 39 193 (88)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.