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Dysprosium-163

Properties and data of the isotope 163Dy.

Content
General Data
Parent Nuclides
NMR Data
Isotones und Isobares

See also: list of Dysprosium isotopes.

 

General data

Name of the isotope:Dysprosium-163; Dy-163Symbol:163Dy or 16366DyMass number A:163 (= number of nucleons)Atomic number Z:66 (= number of protons)Neutrons N:97Isotopic mass:162.92874(2) u (atomic weight of Dysprosium-163)Nuclide mass:162.8925368 u (calculated nuclear mass without electrons)Mass excess:-66.37826 MeVMass defect:1.428208964 u (per nucleus)Nuclear binding energy:1330.36808071 MeV (per nucleus)
8.16176737 MeV (average binding energy per nucleon)Separation energy:SN = 6.27101(5) MeV (first neutron)
SP = 7.99(4) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)5/2-Magnetic dipole moment:μ(μN) = + 0.6726(35)Charge radius:5.2099(120) femtometer fmYear of discovery:1934

 

Parent Nuclides

Direct parent isotopes are: 163Ho, 163Tb.

 

Occurrence

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

 

Atomic Mass maQuantityHalf-lifeSpin
Dysprosium
Isotopic mixture		162.500 u100 %
Isotope 156Dy155.92428(2) u0.056(3) %stable0+
Isotope 158Dy157.92442(2) u0.095(3) %stable0+
Isotope 160Dy159.92520(2) u2.329(18) %stable0+
Isotope 161Dy160.92694(2) u18.889(42) %stable5/2+
Isotope 162Dy161.92681(2) u25.475(36) %stable0+
Isotope 163Dy162.92874(2) u24.896(42) %stable5/2-
Isotope 164Dy163.92918(2) u28.260(54) %stable0+

 

NMR data

Nuclear magnetic properties of the NMR active Nuclide 163Dy

Isotope:163Dy-NMRQuantity:24.896(42) %Spin:5/2-Nuclearmagnetic moment
μ/μN:+ 0.6726(35)Gyromagnetic ratio γ:1.275 · 107 rad T-1 s-1Nuclear g-factor:gl = 0.26904Quadrupole moment Q:+2.648(21) barn (100 fm2)Line width parameter (factor):l = 22438.09 fm4Resonance frequency:v0 = 2.0508 at 1 TRelative Sensitivity:0.00130 (H0 = const.)
0.5619 (v0 = const.)
[related to 1H = 1.000]

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 97) and isobaric (same nucleon number A = 163) with Dysprosium-163. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

ZIsotone N = 97Isobar A = 163
56153Ba
57154La
58155Ce
59156Pr
60157Nd163Nd
61158Pm163Pm
62159Sm163Sm
63160Eu163Eu
64161Gd163Gd
65162Tb163Tb
66163Dy163Dy
67164Ho163Ho
68165Er163Er
69166Tm163Tm
70167Yb163Yb
71168Lu163Lu
72169Hf163Hf
73170Ta163Ta
74171W163W
75172Re163Re
76173Os163Os
77174Ir
78175Pt
79176Au
80177Hg
81178Tl
82179Pb

 

External data and identifiers

Adopted Levels, Gammas:NuDat 163Dy

 

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Last update: 2020-10-08

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