77-Ir-186
 basic
 XS graphs

 element
77-iridium-186

  • Atomic Mass: 185.9579511 +- 0.0000217 amu
  • Excess Mass: -39168.289 +- 20.206 keV
  • Binding Energy: 1480193.119 +- 20.207 keV
  • Beta Decay Energy: B- -1379.768 +- 37.992 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+
  • Half life: 16.64 h
  • Mode of decay: Electron capture to Os-186
    • Decay energy: 3.831 MeV

    Meta state at 0.000 Mev
  • Spin: 2-
  • Half life: 1.90 h
  • Mode of decay: Electron capture to Os-186
    • Branch ratio: ~75.00 %
    • Decay energy: 3.831 MeV
  • Mode of decay: IT
    • Branch ratio: ~25.00 %

  • Possible parent nuclides:
    Electron capture from Pt-186
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
016.64 h5+ 3.88(5) NO/SJP G8 857 (82)
"3.80(+12,-2)" NMR/ONZP A297 329 (80)
3.78(5) NMR/ONHFI 9 99 (81)
2.8(3) NO/SPR C18 493 (78)
-2.55(3) [Ir189]NMR/ONPRL 77 5016 (96)
-2.5(2) [189Ir]NO/SHFI 7 481 (80)
-2.3(2) [189Ir]"NO/S, ME"PL 86B 154 (79)/ZP 233 1 (70)
-2.89(10) [189Ir]NMR/ONZP A297 329 (80)
x2(-) 0.638(8) NMR/ONHFI 59 83 (90)
+1.46(2) [Ir189]NMR/ONPRL 77 5016 (96)
N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published.  2000 Courtesy of T. Burrows at BNL/NNDC.