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Chromium-53

Properties and data of the isotope 53Cr.


Content

See also: list of Chromium isotopes.

 

General data

Name of the isotope:Chromium-53; Cr-53Symbol:53Cr or 5324CrMass number A:53 (= number of nucleons)Atomic number Z:24 (= number of protons)Neutrons N:29Isotopic mass:52.940648(4) u (atomic weight of Chromium-53)Nuclide mass:52.9274824 u (calculated nuclear mass without electrons)Mass excess:-55.28603 MeVMass defect:0.498435332 u (per nucleus)Nuclear binding energy:464.28952115 MeV (per nucleus)
8.76017964 MeV (average binding energy per nucleon)
Separation energy:SN = 7.93907(14) MeV (first neutron)
SP = 11.1322(5) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
3/2-Magnetic dipole moment:μ(μN) = -0.47431(7)Charge radius:3.6511(75) femtometer fmMirror nucleus:Copper-53Year of discovery:1930

 

Parent Nuclides

Direct parent isotopes are: 53Mn, 53V.

 

Occurrence

Comparison of the natural Chromium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

 

Atomic Mass maQuantityHalf-lifeSpin
Chromium
Isotopic mixture
51.9961 u100 %
Isotope 50Cr49.9460414(5) u4.345(13) %1.3 × 1018 a0+
Isotope 52Cr51.940506(4) u83.789(18) %stable0+
Isotope 53Cr52.940648(4) u9.501(17) %stable3/2-
Isotope 54Cr53.938879(4) u2.365(7) %stable0+

 

NMR data

Nuclear magnetic properties of the NMR active Nuclide 53Cr

Isotope:53Cr-NMRQuantity:9.501(17) %Spin:3/2-Nuclearmagnetic moment
μ/μN:
-0.47431(7)Gyromagnetic ratio γ:- 1.512 · 107 rad T-1 s-1Nuclear g-factor:gl = -0.31620666666667Quadrupole moment Q:- 0.15(5) barn (100 fm2)Resonance frequency:v0 = 2.4115 at 1 TRelative Sensitivity:0.00091 (H0 = const.)
0.2832 (v0 = const.)
[related to 1H = 1.000]

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 29) and isobaric (same nucleon number A = 53) with Chromium-53. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 29Isobar A = 53
1342Al
1443Si
1544P
1645S
1746Cl
1847Ar53Ar
1948K53K
2049Ca53Ca
2150Sc53Sc
2251Ti53Ti
2352V53V
2453Cr53Cr
2554Mn53Mn
2655Fe53Fe
2756Co53Co
2857Ni53Ni
2958Cu53Cu
3059Zn
3160Ga
3261Ge
3362As
3463Se

 

External data and identifiers

Adopted Levels, Gammas:NuDat 53Cr

 


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Last update: 2023-10-04


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