Cadmium-113m
Properties and data of the isotope 113mCd.
See also: List of individual Cadmium isotopes (and general data sources).
General data
Name of the isotope:Cadmium-113m; Cd-113mSymbol:113mCd or 113m48CdMass number A:113 (= number of nucleons)Atomic number Z:48 (= number of protons)Neutrons N:65Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.3541666666667 (= neutron-proton ratio)Neutron excess (N-Z):17Excitation energy:263.54(3) keVIsotopic mass:112.904408(3) u (atomic weight of Cadmium-113m)Nuclide mass:112.8780776 u (calculated nuclear mass without electrons)Mass excess:-89.04337 MeVMass defect:1.034413076 u (per nucleus)Nuclear binding energy:963.54957382 MeV (per nucleus)
8.52698738 MeV (average binding energy per nucleon)Half-life:14.1(5) aDecay constant λ:1.558825126073 × 10-9 s-1Specific activity α:8381664718950.6 Bq g-1
226.53147889056 Ci g-1Spin and parity:
(nuclear angular momentum)11/2-Magnetic dipole moment:μ(μN) = -1.0883(3)Quadrupole moment Q:- 0.71(7) barn (100 fm2)Nuclear g-factor:gl = -0.19787272727273
Radioactive Decay
Half-life T½ = 14.1(5) a respectively 4.4466 × 108 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 113In | 99.86 % | | |
| Iso | 113Cd | 0.14 % | | |
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 |
|---|
| 113Cd | | 8.04(5) × 1015 a | 1/2+ |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 113) with Cadmium-113m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 65 | Isobar A = 113 |
|---|
| 36 | 101Kr | |
| 37 | 102Rb | |
| 38 | 103Sr | |
| 39 | 104Y | |
| 40 | 105Zr | |
| 41 | 106Nb | 113Nb |
| 42 | 107Mo | 113Mo |
| 43 | 108Tc | 113Tc |
| 44 | 109Ru | 113Ru |
| 45 | 110Rh | 113Rh |
| 46 | 111Pd | 113Pd |
| 47 | 112Ag | 113Ag |
| 48 | 113Cd | 113Cd |
| 49 | 114In | 113In |
| 50 | 115Sn | 113Sn |
| 51 | 116Sb | 113Sb |
| 52 | 117Te | 113Te |
| 53 | 118I | 113I |
| 54 | 119Xe | 113Xe |
| 55 | 120Cs | 113Cs |
| 56 | 121Ba | |
| 57 | 122La | |
| 58 | 123Ce | |
| 59 | 124Pr | |
| 60 | 125Nd | |
| 61 | 126Pm | |
Last update: 2020-10-16
Perma link: https://www.chemlin.org/isotope/cadmium-113m
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