Praseodymium-141
Properties and data of the isotope 141Pr.
See also: List of individual Praseodymium isotopes (and general data sources).
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 ma | Quantity | Half-life | Spin |
|---|
Praseodymium
Isotopic mixture | 140.90766 u | 100 % | | |
| Isotope 141Pr | 140.90766(2) u | 100 % | stable | 5/2+ |
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.
| Z | Isotone N = 82 | Isobar A = 141 |
|---|
| 45 | 127Rh | |
| 46 | 128Pd | |
| 47 | 129Ag | |
| 48 | 130Cd | |
| 49 | 131In | |
| 50 | 132Sn | |
| 51 | 133Sb | 141Sb |
| 52 | 134Te | 141Te |
| 53 | 135I | 141I |
| 54 | 136Xe | 141Xe |
| 55 | 137Cs | 141Cs |
| 56 | 138Ba | 141Ba |
| 57 | 139La | 141La |
| 58 | 140Ce | 141Ce |
| 59 | 141Pr | 141Pr |
| 60 | 142Nd | 141Nd |
| 61 | 143Pm | 141Pm |
| 62 | 144Sm | 141Sm |
| 63 | 145Eu | 141Eu |
| 64 | 146Gd | 141Gd |
| 65 | 147Tb | 141Tb |
| 66 | 148Dy | 141Dy |
| 67 | 149Ho | 141Ho |
| 68 | 150Er | |
| 69 | 151Tm | |
| 70 | 152Yb | |
| 71 | 153Lu | |
| 72 | 154Hf | |
| 73 | 155Ta | |
| 74 | 156W | |
External data and identifiers
Last update: 2020-10-19
Perma link: https://www.chemlin.org/isotope/praseodymium-141
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