See also: List of individual Iron isotopes (and general data sources).
General data
Name of the isotope:Iron-53; Fe-53Symbol:53Fe or 5326FeMass number A:53 (= number of nucleons)Atomic number Z:26 (= number of protons)Neutrons N:27Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.0384615384615 (= neutron-proton ratio)Neutron excess (N-Z):1Isotopic mass:52.9453056(18) u (atomic weight of Iron-53)Nuclide mass:52.9310429 u (calculated nuclear mass without electrons)Mass excess:-50.94751 MeVMass defect:0.492097964 u (per nucleus)Nuclear binding energy:458.38630088 MeV (per nucleus) 8.64879813 MeV (average binding energy per nucleon)Separation energy:SN = 10.688(5) MeV (first neutron) SP = 7.5292(24) MeV (first proton)Half-life:8.51(2) minDecay constant λ:0.0013575150422247 s-1Specific activity α:1.544073941107 × 10+19 Bq g-1 417317281.38049 Ci g-1Spin and parity: (nuclear angular momentum)7/2-Magnetic dipole moment:μ(μN) = -0.65(1)Nuclear g-factor:gl = -0.18571428571429Mirror nucleus:Cobalt-53Year of discovery:1938
Radioactive Decay
Half-life T½ = 8.51(2) min (minutes) respectively 5.106 × 102 seconds s.
The following table shows the atomic nuclei that are isotonic (same neutron number N = 27) and isobaric (same nucleon number A = 53) with Iron-53. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
