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Praseodymium-141

Properties and data of the isotope 141Pr.


Content

See also: list of Praseodymium isotopes.

 

General data

Name of the isotope:Praseodymium-141; Pr-141Symbol:141Pr or 14159PrMass number A:141 (= number of nucleons)Atomic number Z:59 (= number of protons)Neutrons N:82Isotopic mass:140.90766(2) u (atomic weight of Praseodymium-141)Nuclide mass:140.8752962 u (calculated nuclear mass without electrons)Mass excess:-86.01416 MeVMass defect:1.26454 u (per nucleus)Nuclear binding energy:1177.91142276 MeV (per nucleus)
8.35398172 MeV (average binding energy per nucleon)
Separation energy:SN = 9.399(6) MeV (first neutron)
SP = 5.2285(12) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
5/2+Magnetic dipole moment:μ(μN) = + 4.275Charge radius:4..8919(50) femtometer fmYear of discovery:1924

 

Parent Nuclides

Direct parent isotopes are: 141Nd, 141Ce, 145Pm.

 

Occurrence

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

 

Atomic Mass maQuantityHalf-lifeSpin
Praseodymium
Isotopic mixture
140.90766 u100 %
Isotope 141Pr140.90766(2) u100 %stable5/2+

 

NMR data

Nuclear magnetic properties of the NMR active Nuclide 141Pr

Isotope:141Pr-NMRQuantity:100 %Spin:5/2+Nuclearmagnetic moment
μ/μN:
+ 4.275Gyromagnetic ratio γ:7.765 · 107 rad T-1 s-1Nuclear g-factor:gl = 1.71Quadrupole moment Q:- 0.0589(42) barn (100 fm2)Resonance frequency:v0 = 13.0359 at 1 TRelative Sensitivity:0.33483 (H0 = const.)
3.5720 (v0 = const.)
[related to 1H = 1.000]

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 82) and isobaric (same nucleon number A = 141) with Praseodymium-141. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 82Isobar A = 141
45127Rh
46128Pd
47129Ag
48130Cd
49131In
50132Sn
51133Sb141Sb
52134Te141Te
53135I141I
54136Xe141Xe
55137Cs141Cs
56138Ba141Ba
57139La141La
58140Ce141Ce
59141Pr141Pr
60142Nd141Nd
61143Pm141Pm
62144Sm141Sm
63145Eu141Eu
64146Gd141Gd
65147Tb141Tb
66148Dy141Dy
67149Ho141Ho
68150Er
69151Tm
70152Yb
71153Lu
72154Hf
73155Ta

 

External data and identifiers

Adopted Levels, Gammas:NuDat 141Pr

 


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Last update: 2020-10-19


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