Iron-62

Properties and data of the isotope ⁶²Fe.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

See also: List of individual Iron isotopes (and general data sources).

General data

Name of the isotope:Iron-62; Fe-62Symbol:⁶²Fe or 6226FeMass number A:62 (= number of nucleons)Atomic number Z:26 (= number of protons)Neutrons N:36Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.3846153846154 (= neutron-proton ratio)Neutron excess (N-Z):10Isotopic mass:61.936792(3) u (atomic weight of Iron-62)Nuclide mass:61.9225293 u (calculated nuclear mass without electrons)Mass excess:-58.87787 MeVMass defect:0.578595808 u (per nucleus)Nuclear binding energy:538.95852358 MeV (per nucleus)
8.69287941 MeV (average binding energy per nucleon)Separation energy:S_N = 8.029(4) MeV (first neutron)
S_P = 14.425(4) MeV (first proton)Half-life:68(2) sDecay constant λ:0.010193340890587 s^-1Specific activity α:1.006323519286 × 10⁺²⁰ Bq g^-1
2719793295.3686 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1975

Radioactive Decay

Half-life T_½ = 68(2) s respectively 6.8 × 10¹ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁶²Co	100 %	2.546(19) MeV

Parent Nuclides

Direct parent isotope is: ⁶²Mn.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 36) and isobaric (same nucleon number A = 62) with Iron-62. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 36	Isobar A = 62
18	⁵⁴Ar
19	⁵⁵K
20	⁵⁶Ca
21	⁵⁷Sc	⁶²Sc
22	⁵⁸Ti	⁶²Ti
23	⁵⁹V	⁶²V
24	⁶⁰Cr	⁶²Cr
25	⁶¹Mn	⁶²Mn
26	⁶²Fe	⁶²Fe
27	⁶³Co	⁶²Co
28	⁶⁴Ni	⁶²Ni
29	⁶⁵Cu	⁶²Cu
30	⁶⁶Zn	⁶²Zn
31	⁶⁷Ga	⁶²Ga
32	⁶⁸Ge	⁶²Ge
33	⁶⁹As	⁶²As
34	⁷⁰Se
35	⁷¹Br
36	⁷²Kr
37	⁷³Rb
38	⁷⁴Sr