About   |   More   |   Search
ChemLin Logo

Iridium-193

Properties and data of the isotope 193Ir.


Content

See also: list of Iridium isotopes.

 

General data

Name of the isotope:Iridium-193; Ir-193Symbol:193Ir or 19377IrMass number A:193 (= number of nucleons)Atomic number Z:77 (= number of protons)Neutrons N:116Isotopic mass:192.96292(2) u (atomic weight of Iridium-193)Nuclide mass:192.9206838 u (calculated nuclear mass without electrons)Mass excess:-34.5398 MeVMass defect:1.64473772 u (per nucleus)Nuclear binding energy:1532.06331775 MeV (per nucleus)
7.93815191 MeV (average binding energy per nucleon)
Separation energy:SN = 7.77199(20) MeV (first neutron)
SP = 5.9430(24) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
3/2+Magnetic dipole moment:μ(μN) = + 0.1637(6)Charge radius:5.4032(1061) femtometer fmYear of discovery:1935

 

Parent Nuclides

Direct parent isotopes are: 193Os, 193Pt.

 

Occurrence

Comparison of the natural Iridium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

 

Atomic Mass maQuantityHalf-lifeSpin
Iridium
Isotopic mixture
192.217 u100 %
Isotope 191Ir190.96059(2) u37.3(2) %stable3/2+
Isotope 193Ir192.96292(2) u62.7(2) %stable3/2+

 

NMR data

Nuclear magnetic properties of the NMR active Nuclide 193Ir

Isotope:193Ir-NMRQuantity:62.7(2) %Spin:3/2+Nuclearmagnetic moment
μ/μN:
+ 0.1637(6)Gyromagnetic ratio γ:0.508 · 107 rad T-1 s-1Nuclear g-factor:gl = 0.10913333333333Quadrupole moment Q:+ 0.751(9) barn (100 fm2)Resonance frequency:v0 = 0.8319 at 1 TRelative Sensitivity:0.00004 (H0 = const.)
0.0977 (v0 = const.)
[related to 1H = 1.000]

 

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear IsomerExcitation EnergyHalf-lifeSpin
193mIr80.239(6) keV10.53(4) d11/2-
193m2Ir2278.9(5) keV124.8(21) μs31/2+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 116) and isobaric (same nucleon number A = 193) with Iridium-193. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 116Isobar A = 193
71187Lu
72188Hf
73189Ta193Ta
74190W193W
75191Re193Re
76192Os193Os
77193Ir193Ir
78194Pt193Pt
79195Au193Au
80196Hg193Hg
81197Tl193Tl
82198Pb193Pb
83199Bi193Bi
84200Po193Po
85201At193At
86202Rn193Rn
87203Fr
88204Ra
89205Ac

 

External data and identifiers

Adopted Levels, Gammas:NuDat 193Ir

 


More Chemistry

isotopes

 

 

 

 

Social Media

Facebook

LinkedIn

Twitter

 

 


Last update: 2020-10-21


© 1996 - 2024 ChemLin