Indium-106
Properties and data of the isotope 106In.
See also: List of individual Indium isotopes (and general data sources).
General data
Name of the isotope:Indium-106; In-106Symbol:106In or 10649InMass number A:106 (= number of nucleons)Atomic number Z:49 (= number of protons)Neutrons N:57Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.1632653061224 (= neutron-proton ratio)Neutron excess (N-Z):8Isotopic mass:105.913464(13) u (atomic weight of Indium-106)Nuclide mass:105.8865851 u (calculated nuclear mass without electrons)Mass excess:-80.60776 MeVMass defect:0.96386278 u (per nucleus)Nuclear binding energy:897.83239639 MeV (per nucleus)
8.47011695 MeV (average binding energy per nucleon)Separation energy:SN = 9.039(16) MeV (first neutron)
SP = 3.563(12) MeV (first proton)Half-life:6.2(1) minDecay constant λ:0.001863298872473 s-1Specific activity α:1.068671264208 × 10+19 Bq g-1
288830071.40781 Ci g-1Spin and parity:
(nuclear angular momentum)7+Magnetic dipole moment:μ(μN) = 4.908(7)Quadrupole moment Q:+ 0.97(6) barn (100 fm2)Nuclear g-factor:gl = 0.70114285714286Charge radius:4.5375(95) femtometer fmYear of discovery:1962
Radioactive Decay
Half-life T½ = 6.2(1) min (minutes) respectively 3.72 × 102 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EC/β+ | 106Cd | 100 % | 6.524(12) MeV | |
Parent Nuclides
Direct parent isotope is: 106Sn.
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
| Nuclear Isomer | Excitation Energy | Half-life | Spin |
|---|
| 106mIn | 28.6(3) keV | 5.2(1) min | (2)+ |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 57) and isobaric (same nucleon number A = 106) with Indium-106. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 57 | Isobar A = 106 |
|---|
| 32 | 89Ge | |
| 33 | 90As | |
| 34 | 91Se | |
| 35 | 92Br | |
| 36 | 93Kr | |
| 37 | 94Rb | |
| 38 | 95Sr | 106Sr |
| 39 | 96Y | 106Y |
| 40 | 97Zr | 106Zr |
| 41 | 98Nb | 106Nb |
| 42 | 99Mo | 106Mo |
| 43 | 100Tc | 106Tc |
| 44 | 101Ru | 106Ru |
| 45 | 102Rh | 106Rh |
| 46 | 103Pd | 106Pd |
| 47 | 104Ag | 106Ag |
| 48 | 105Cd | 106Cd |
| 49 | 106In | 106In |
| 50 | 107Sn | 106Sn |
| 51 | 108Sb | 106Sb |
| 52 | 109Te | 106Te |
| 53 | 110I | |
| 54 | 111Xe | |
| 55 | 112Cs | |
External data and identifiers
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/indium-106
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