Manganese-47
Properties and data of the isotope 47Mn.
See also: list of Manganese isotopes.
General data
Name of the isotope:Manganese-47; Mn-47Symbol:47Mn or 4725MnMass number A:47 (= number of nucleons)Atomic number Z:25 (= number of protons)Neutrons N:22Isotopic mass:46.97577(3) u (atomic weight of Manganese-47)Nuclide mass:46.9620558 u (calculated nuclear mass without electrons)Mass excess:-22.5701 MeVMass defect:0.41048395200001 u (per nucleus)Nuclear binding energy:382.36333838 MeV (per nucleus)
8.13539018 MeV (average binding energy per nucleon)Separation energy:SN = 18.07(40) MeV (first neutron)
SP = 0.38(3) MeV (first proton)Half-life:100(50) msDecay constant λ:6.9314718055995 s-1Specific activity α:9.074412952173 × 10+22 Bq g-1
2452544041128.1 Ci g-1Spin and parity:
(nuclear angular momentum)(5/2-)Mirror nucleus:Titanium-47Year of discovery:1987
Radioactive Decay
Half-life T½ = 100(50) ms respectively 1.00 × 10-1 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
β+ | 47Cr | 96.6 % | 12.00(30) MeV | |
β+, p | 46V | 3.4(9) % | | |
Parent Nuclides
Direct parent isotope is: 47Fe.
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 22) and isobaric (same nucleon number A = 47) with Manganese-47. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 22 | Isobar A = 47 |
9 | 31F | |
10 | 32Ne | |
11 | 33Na | |
12 | 34Mg | |
13 | 35Al | |
14 | 36Si | |
15 | 37P | |
16 | 38S | 47S |
17 | 39Cl | 47Cl |
18 | 40Ar | 47Ar |
19 | 41K | 47K |
20 | 42Ca | 47Ca |
21 | 43Sc | 47Sc |
22 | 44Ti | 47Ti |
23 | 45V | 47V |
24 | 46Cr | 47Cr |
25 | 47Mn | 47Mn |
26 | 48Fe | 47Fe |
27 | 49Co | 47Co |
28 | 50Ni | |
External data and identifiers
Last update: 2023-10-04
Perma link: https://www.chemlin.org/isotope/manganese-47
© 1996 - 2025 ChemLin