Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
18677Ir109   Iridium
J(π)=5+
T1/2=16.64 h
  Experiment
[2]		 Theory
[4]		 Sh.corr.
[4]
Mass Excess -39.174769
(0.016526)		 -39.700 -1.480
BE 1480.199 1480.725
BE/A 7.958 7.961
<R2ch>1/2 = 5.39 ± 0.1061 fm [3]
Charge-density Distribution [6]

β2= 0.209
β3= 0.000
β4= -0.071
β6= 0.005
Excited States[1]
click on a plot to process it 		Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay3848.04
β- - decay-1310.26
β+ - decay2805.58
e-capture3827.58
1p - decay-3653.93
2p - decay-9528.05
1n - decay-6910.52
2n - decay-15706.52
2β- - decay-7459.85
β-,n-10557.89
β-,2n-17978.50
β-,d-12699.58
β-,t-13921.22
β-,α3009.44
β-,n,α-6120.97
EC,p-2641.19
EC,2p-8045.25
EC,α6648.01
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 0+x keV
T1/2 = 1.90 h
β+, EC
75%		IT
25%
β+ endpoint energies
γ-energies
 
μ (nm) Q (b) E* (keV)
+1.456(17)x
-2.55(3)0
3.88(5)0
+3.8(2)0
3.80(+12,-2)0
3.78(5)0
0.638(8)x
-0.66(3)x
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.