Nucleus[1] Binding energy (MeV) g.s. Radius[3] & Deformation[4]
19177Ir114   Iridium
J(π)=3/2+
T1/2=stable
Abundance: 37.3% 2
  Experiment
[2]
Theory
[4]
Sh.corr.
[4]
Mass Excess -36.710837
(0.001922)
-36.440 -2.520
BE 1518.092 1517.821
BE/A 7.948 7.947
<R2ch>1/2 = 5.3968 ± 0.1061 fm [3]
Charge-density Distribution [6]

β2= 0.164
β3= 0.000
β4= -0.077
β6= 0.018
Excited States[1]
click on a plot to process it
Known and possible Decays[1] Q-values (keV)
roman [2], italic [4]
α - decay2082.81
β- - decay-1009.35
β+ - decay-1336.01
e-capture-314.01
1p - decay-5290.39
2p - decay-13308.12
1n - decay-8026.52
2n - decay-14396.73
- - decay-2899.63
β-,n-7456.86
β-,2n-16367.98
β-,d-11389.80
β-,t-13309.22
β-2085.31
β-,n,α-4204.62
EC,p-8364.88
EC,2p-15671.34
EC,α770.51
Metastable states and Resonances[1] Radiation energies (keV)[1] Thermal neutrons[1] El.-Magn. properties[5,7,8]
 
E = 171.29 keV
T1/2 = 4.90 s
IT
100%
E = 2046.7 keV
T1/2 = 5.50 s
IT
100%
γ-energies
σ (b)
Capture 954.00
Scattering 15.00
 
μ (nm) Q (b) E* (keV)
+0.816(9)0
+0.1507(6)0
+0.1461(6)0
+0.152(4)0
+0.600(6)82
+0.81(6)129
+0.86(6)129
+0.45(2)129
+0.48(4)129
6.03(4)171
signpositive171
signpositive171
+1.4(4)179
+1.40(6)343
+1.35(11)343
+1.7(3)343
+2.4(2)503
+3.1(11)503
+0.8(3)686
+0.5(7)686
+3.4(9)832
  
[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[3] I. Angeli, K.P. Marinova, Atomic Data and Nuclear Data Tables, 2013, vol. 99, pp. 69-95; unpublished update, 2016.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.