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Neodymium-143

Properties and data of the isotope 143Nd.

Contents
General Data
Parent Nuclides
NMR Data
Isotones und Isobares

See also: list of Neodymium isotopes.

 

General data

Name of the isotope:Neodymium-143; Nd-143Symbol:143Nd or 14360NdMass number A:143 (= number of nucleons)Atomic number Z:60 (= number of protons)Neutrons N:83Isotopic mass:142.90982(2) u (atomic weight of Neodymium-143)Nuclide mass:142.8769077 u (calculated nuclear mass without electrons)Mass excess:-84.00213 MeVMass defect:1.278869948 u (per nucleus)Nuclear binding energy:1191.25968334 MeV (per nucleus)
8.3304873 MeV (average binding energy per nucleon)Separation energy:SN = 6.12357(7) MeV (first neutron)
SP = 7.5037(14) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)7/2-Magnetic dipole moment:μ(μN) = - 1.065Charge radius:4.9254(26) femtometer fmYear of discovery:1933

 

Parent Nuclides

Direct parent isotopes are: 143Pm, 143Pr, 147Sm.

 

Occurrence

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

 

Atomic Mass maQuantityHalf-lifeSpin
Neodymium
Isotopic mixture		144.242 u100 %
Isotope 142Nd141.90773(2) u27.153(40) %stable0+
Isotope 143Nd142.90982(2) u12.173(26) %stable7/2-
Isotope 144Nd143.9100928(13) u23.798(19) %2.29(16) × 1015 a0+
Isotope 145Nd144.91258(2) u8.293(12) %stable7/2-
Isotope 146Nd145.91312(2) u17.189(32) %stable0+
Isotope 148Nd147.91690(2) u5.756(21) %stable0+
Isotope 150Nd149.92090(2) u5.638(28) %6.7(7) × 1018 a0+

 

NMR data

Nuclear magnetic properties of the NMR active Nuclide 143Nd

Isotope:143Nd-NMRQuantity:12.173(26) %Spin:7/2-Nuclearmagnetic moment
μ/μN:- 1.065Gyromagnetic ratio γ:1.474 · 107 rad T-1 s-1Nuclear g-factor:gl = -0.30428571428571Quadrupole moment Q:- 0.63(6) barn (100 fm2)Resonance frequency:v0 = 2.319 at 1 TRelative Sensitivity:0.00339 (H0 = const.)
1.1440 (v0 = const.)
[related to 1H = 1.000]

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 83) and isobaric (same nucleon number A = 143) with Neodymium-143. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

ZIsotone N = 83Isobar A = 143
46129Pd
47130Ag
48131Cd
49132In
50133Sn
51134Sb
52135Te143Te
53136I143I
54137Xe143Xe
55138Cs143Cs
56139Ba143Ba
57140La143La
58141Ce143Ce
59142Pr143Pr
60143Nd143Nd
61144Pm143Pm
62145Sm143Sm
63146Eu143Eu
64147Gd143Gd
65148Tb143Tb
66149Dy143Dy
67150Ho143Ho
68151Er143Er
69152Tm
70153Yb
71154Lu
72155Hf
73156Ta
74157W

 

External data and identifiers

Adopted Levels, Gammas:NuDat 143Nd

 

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Last update: 2020-10-20

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