Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
19377Ir116   Iridium
J(π)=3/2+
T1/2=stable
Abundance: 62.7% 2
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -34.538319
(0.001932)
-34.340 -3.600
BE 1532.062 1531.864
BE/A 7.938 7.937
<R2ch>1/2 = 5.4032 ± 0.1061 fm [3]
Charge-density Distribution [6]

β2= 0.141
β3= 0.000
β4= -0.066
β6= 0.011
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay1017.50
β- - decay-56.59
β+ - decay-2164.31
e-capture-1142.31
1p - decay-5943.37
2p - decay-14764.27
1n - decay-7771.97
2n - decay-13970.08
- - decay-1132.32
β-,n-6317.41
β-,2n-14979.43
β-,d-10963.15
β-,t-12732.46
β-2025.28
β-,n,α-3895.21
EC,p-10238.53
EC,2p-17940.18
EC,α-1345.72
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 80.239 keV
T1/2 = 10.53 d
IT
100%
γ-energies
σ (b)
Capture 111.00
 
μ (nm) Q (b) E* (keV)
+0.751(9)0
+0.1637(6)0
+0.1591(6)0
+0.168(8)0
+0.519(2)73
+0.89(4)139
+0.93(5)139
+0.53(3)139
+1.1(4)180
+1.54(6)358
+1.55(6)358
+1.7(3)358
+2.2((2)522
+3.8(11)522
+1.16(14)621
+0.5(4)621
+2.7(7)857
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.