Indium-114
Properties and data of the isotope 114In.
See also: List of individual Indium isotopes (and general data sources).
General data
Name of the isotope:Indium-114; In-114Symbol:114In or 11449InMass number A:114 (= number of nucleons)Atomic number Z:49 (= number of protons)Neutrons N:65Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.3265306122449 (= neutron-proton ratio)Neutron excess (N-Z):16Isotopic mass:113.9049164(3) u (atomic weight of Indium-114)Nuclide mass:113.8780375 u (calculated nuclear mass without electrons)Mass excess:-88.5698 MeVMass defect:1.041729708 u (per nucleus)Nuclear binding energy:970.36497262 MeV (per nucleus)
8.51197344 MeV (average binding energy per nucleon)Separation energy:SN = 7.27400(25) MeV (first neutron)
SP = 6.8155(4) MeV (first proton)Half-life:71.9(1) sDecay constant λ:0.009640433665646 s-1Specific activity α:5.137703494282 × 10+19 Bq g-1
1388568511.9684 Ci g-1Spin and parity:
(nuclear angular momentum)1+Magnetic dipole moment:μ(μN) = + 2.813(14)Nuclear g-factor:gl = 2.813Charge radius:4.6056(28) femtometer fmYear of discovery:1937
Radioactive Decay
Half-life T½ = 71.9(1) s respectively 7.19 × 101 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EC/β+ | 114Cd | 0.50(15) % | 1.4451(4) MeV | |
| β- | 114Sn | 99.50(15) % | 1.9899(3) MeV | |
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 |
|---|
| 114m1In | 190.2682(8) keV | 49.51(1) d | 5+ |
| 114m2In | 501.948(3) keV | 43.1(5) ms | 8- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 114) with Indium-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 65 | Isobar A = 114 |
|---|
| 36 | 101Kr | |
| 37 | 102Rb | |
| 38 | 103Sr | |
| 39 | 104Y | |
| 40 | 105Zr | |
| 41 | 106Nb | 114Nb |
| 42 | 107Mo | 114Mo |
| 43 | 108Tc | 114Tc |
| 44 | 109Ru | 114Ru |
| 45 | 110Rh | 114Rh |
| 46 | 111Pd | 114Pd |
| 47 | 112Ag | 114Ag |
| 48 | 113Cd | 114Cd |
| 49 | 114In | 114In |
| 50 | 115Sn | 114Sn |
| 51 | 116Sb | 114Sb |
| 52 | 117Te | 114Te |
| 53 | 118I | 114I |
| 54 | 119Xe | 114Xe |
| 55 | 120Cs | 114Cs |
| 56 | 121Ba | 114Ba |
| 57 | 122La | |
| 58 | 123Ce | |
| 59 | 124Pr | |
| 60 | 125Nd | |
| 61 | 126Pm | |
External data and identifiers
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/indium-114
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