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Gadolinium-154

Properties and data of the isotope 154Gd.


Content

See also: list of Gadolinium isotopes.

 

General data

Name of the isotope:Gadolinium-154; Gd-154Symbol:154Gd or 15464GdMass number A:154 (= number of nucleons)Atomic number Z:64 (= number of protons)Neutrons N:90Isotopic mass:153.92087(2) u (atomic weight of Gadolinium-154)Nuclide mass:153.8857637 u (calculated nuclear mass without electrons)Mass excess:-73.70912 MeVMass defect:1.359774488 u (per nucleus)Nuclear binding energy:1266.62177693 MeV (per nucleus)
8.22481673 MeV (average binding energy per nucleon)
Separation energy:SN = 8.89472(17) MeV (first neutron)
SP = 7.6277(7) MeV (first proton)
Half-life:stableSpin and parity:
(nuclear angular momentum)
0+Charge radius:5.1223(40) femtometer fm

 

Parent Nuclides

Direct parent isotopes are: 154Tb, 154Eu.

 

Occurrence

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

 

Atomic Mass maQuantityHalf-lifeSpin
Gadolinium
Isotopic mixture
157.25 u100 %
Isotope 152Gd151.91980(2) u0.20(3) %1.08(8) × 1014 a0+
Isotope 154Gd153.92087(2) u2.18(2) %stable0+
Isotope 155Gd154.92263(2) u14.80(9) %stable3/2-
Isotope 156Gd155.92213(2) u20.47(3) %stable0+
Isotope 157Gd156.92397(2) u15.65(4) %stable3/2-
Isotope 158Gd157.92411(2) u24.84(8) %stable0+
Isotope 160Gd159.92706(2) u21.86(3) %stable0+

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 90) and isobaric (same nucleon number A = 154) with Gadolinium-154. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 90Isobar A = 154
51141Sb
52142Te
53143I
54144Xe
55145Cs
56146Ba
57147La154La
58148Ce154Ce
59149Pr154Pr
60150Nd154Nd
61151Pm154Pm
62152Sm154Sm
63153Eu154Eu
64154Gd154Gd
65155Tb154Tb
66156Dy154Dy
67157Ho154Ho
68158Er154Er
69159Tm154Tm
70160Yb154Yb
71161Lu154Lu
72162Hf154Hf
73163Ta
74164W
75165Re
76166Os
77167Ir
78168Pt

 

External data and identifiers

Adopted Levels, Gammas:NuDat 154Gd

 


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Last update: 2020-10-20


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