Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
16877Ir91   Iridium
J(π)=
T1/2=222.00 ms
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -18.716842
(0.074466)
-18.760 -0.220
BE 1314.458 1314.501
BE/A 7.824 7.824
<R2ch>1/2 = 
Charge-density Distribution [6]

β2= 0.140
β3= 0.000
β4= -0.005
β6= -0.001
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay6381.23
β- - decay-7658.73
β+ - decay10248.01
e-capture11270.01
1p - decay496.31
2p - decay-1401.25
1n - decay-9710.43
2n - decay-21505.44
- - decay-20719.93
β-,n-19983.11
β-,2n-30067.41
β-,d-18498.51
β-,t-22023.61
β--669.06
β-,n,α-12828.01
EC,p8837.12
EC,2p8593.28
EC,α17086.10
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 0+x keV
T1/2 = 159.00 ms
α
77%
β+, EC
23%
      
[1] National Nuclear Data Center, Evaluated Nuclear Structure Data File, https://www.nndc.bnl.gov/ensdf/.
[2] M. Wang, G. Audi, A.H. Wapstra, F.G. Kondev, M. MacCormick, X. Xu, and B. Pfeiffer, Chinese Physics C, 2012, vol. 36, pp. 1603-2014.
[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.
[4] P. Möller, A.J. Sierk, T. Ichikawa, H. Sagawa, Atomic Data and Nuclear Data Tables, 2016, vol. 109-110, pp. 1-204.
[5] N.J. Stone, https://www-nds.iaea.org/publications/indc/indc-nds-0658/; Atomic Data and Nuclear Data Tables, 2016, vol. 111-112, pp. 1–28.
[6] H. de Vries, C.W. de Jager, C. de Vries, Atomic Data and Nuclear Data Tables, 1987, vol. 36, pp. 495-536.
[7] B. Pritychenko, M. Birch, B. Singh, M. Horoi, Atomic Data and Nuclear Data Tables, 2016, vol. 107, pp. 1–139; 2017, vol. 114, pp. 371–374.
[8] T. Kibedi and R.H. Spear, Atomic Data and Nuclear Data Tables, 2002, vol. 80, pp. 35-82.