Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
18877Ir111   Iridium
J(π)=1-
T1/2=1.73 d
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -38.351382
(0.009561)		 -38.620 -1.940
BE 1495.519 1495.787
BE/A 7.955 7.956
<R2ch>1/2 = 5.3838 ± 0.1061 fm [3]
Charge-density Distribution [6]

β2= 0.198
β3= 0.000
β4= -0.072
β6= 0.006
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay3448.44
β- - decay-522.34
β+ - decay1765.85
e-capture2787.85
1p - decay-4419.37
2p - decay-10998.73
1n - decay-6873.31
2n - decay-15319.21
2β- - decay-6074.48
β-,n-9737.60
β-,2n-16629.47
β-,d-12312.28
β-,t-12965.59
β-,α3480.40
β-,n,α-5183.50
EC,p-4421.87
EC,2p-10418.61
EC,α4931.24
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+0.484(6)0
0.302(10)0
+0.33(1)0
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.