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Indium-114

Properties and data of the isotope 114In.


Contents

See also: list of Indium isotopes.

 

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:65Isotopic 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-1
Spin 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
DaughterProbabilityDecay energyγ energy
(intensity)
EC/β+114Cd0.50(15) %1.4451(4) MeV
β-114Sn99.50(15) %1.9899(3) MeV

 

Nuclear Isomers

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

Nuclear IsomerExcitation EnergyHalf-lifeSpin
114m1In190.2682(8) keV49.51(1) d5+
114m2In501.948(3) keV43.1(5) ms8-

 

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.

 

ZIsotone N = 65Isobar A = 114
36101Kr
37102Rb
38103Sr
39104Y
40105Zr
41106Nb114Nb
42107Mo114Mo
43108Tc114Tc
44109Ru114Ru
45110Rh114Rh
46111Pd114Pd
47112Ag114Ag
48113Cd114Cd
49114In114In
50115Sn114Sn
51116Sb114Sb
52117Te114Te
53118I114I
54119Xe114Xe
55120Cs114Cs
56121Ba114Ba
57122La
58123Ce
59124Pr
60125Nd
61126Pm

 

External data and identifiers

Adopted Levels, Gammas:NuDat 114In

 


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Last update: 2020-10-16


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