Dysprosium-153
Properties and data of the isotope 153Dy.
See also: List of individual Dysprosium isotopes (and general data sources).
General data
Name of the isotope:Dysprosium-153; Dy-153Symbol:153Dy or 15366DyMass number A:153 (= number of nucleons)Atomic number Z:66 (= number of protons)Neutrons N:87Isotopic mass:152.925772(4) u (atomic weight of Dysprosium-153)Nuclide mass:152.8895688 u (calculated nuclear mass without electrons)Mass excess:-69.14294 MeVMass defect:1.344527804 u (per nucleus)Nuclear binding energy:1252.41958226 MeV (per nucleus)
8.1857489 MeV (average binding energy per nucleon)Separation energy:SN = 7.096(6) MeV (first neutron)
SP = 5.71(4) MeV (first proton)Half-life:6.4(1) hDecay constant λ:3.008451304513 × 10-5 s-1Specific activity α:1.19192878460 × 10+17 Bq g-1
3221429.1475892 Ci g-1Spin and parity:
(nuclear angular momentum)7/2(-)Magnetic dipole moment:μ(μN) = - 0.782(6)Quadrupole moment Q:-0.02(5) barn (100 fm2)Nuclear g-factor:gl = -0.22342857142857Charge radius:5.1035(2516) femtometer fmYear of discovery:1958
Radioactive Decay
Half-life T½ = 6.4(1) h (hours) respectively 2.3040 × 104 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EC/β+ | 153Tb | 99.9906(14) % | 2.170(6) MeV | |
| α | 149Gd | 0.0094(14) % | 3.559(4) MeV | |
Parent Nuclides
Direct parent isotope is: 153Ho.
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 87) and isobaric (same nucleon number A = 153) with Dysprosium-153. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 87 | Isobar A = 153 |
|---|
| 49 | 136In | |
| 50 | 137Sn | |
| 51 | 138Sb | |
| 52 | 139Te | |
| 53 | 140I | |
| 54 | 141Xe | |
| 55 | 142Cs | |
| 56 | 143Ba | 153Ba |
| 57 | 144La | 153La |
| 58 | 145Ce | 153Ce |
| 59 | 146Pr | 153Pr |
| 60 | 147Nd | 153Nd |
| 61 | 148Pm | 153Pm |
| 62 | 149Sm | 153Sm |
| 63 | 150Eu | 153Eu |
| 64 | 151Gd | 153Gd |
| 65 | 152Tb | 153Tb |
| 66 | 153Dy | 153Dy |
| 67 | 154Ho | 153Ho |
| 68 | 155Er | 153Er |
| 69 | 156Tm | 153Tm |
| 70 | 157Yb | 153Yb |
| 71 | 158Lu | 153Lu |
| 72 | 159Hf | 153Hf |
| 73 | 160Ta | |
| 74 | 161W | |
| 75 | 162Re | |
| 76 | 163Os | |
| 77 | 164Ir | |
External data and identifiers
Last update: 2020-10-08
Perma link: https://www.chemlin.org/isotope/dysprosium-153
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