Rhenium-173
Properties and data of the isotope 173Re.
See also: list of Rhenium isotopes.
General data
Name of the isotope:Rhenium-173; Re-173Symbol:173Re or 17375ReMass number A:173 (= number of nucleons)Atomic number Z:75 (= number of protons)Neutrons N:98Isotopic mass:172.95324(3) u (atomic weight of Rhenium-173)Nuclide mass:172.9121007 u (calculated nuclear mass without electrons)Mass excess:-43.55666 MeVMass defect:1.482799168 u (per nucleus)Nuclear binding energy:1381.2185282 MeV (per nucleus)
7.98392213 MeV (average binding energy per nucleon)Separation energy:SN = 10.09(5) MeV (first neutron)
SP = 1.75(4) MeV (first proton)Half-life:1.98(26) minDecay constant λ:0.0058345722269356 s-1Specific activity α:2.042826500469 × 10+19 Bq g-1
552115270.39724 Ci g-1Spin and parity:
(nuclear angular momentum)(5/2-)Year of discovery:1986
Radioactive Decay
Half-life T½ = 1.98(26) min (minutes) respectively 1.188 × 102 seconds s.
Decay mode | Daughter | Probability | Decay energy | γ energy (intensity) |
---|
EC/β+ | 173W | 100 % | 5.17(4) MeV | |
Parent Nuclides
Direct parent isotopes are: 177Ir, 173Os.
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 98) and isobaric (same nucleon number A = 173) with Rhenium-173. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
Z | Isotone N = 98 | Isobar A = 173 |
57 | 155La | |
58 | 156Ce | |
59 | 157Pr | |
60 | 158Nd | |
61 | 159Pm | |
62 | 160Sm | |
63 | 161Eu | |
64 | 162Gd | |
65 | 163Tb | |
66 | 164Dy | 173Dy |
67 | 165Ho | 173Ho |
68 | 166Er | 173Er |
69 | 167Tm | 173Tm |
70 | 168Yb | 173Yb |
71 | 169Lu | 173Lu |
72 | 170Hf | 173Hf |
73 | 171Ta | 173Ta |
74 | 172W | 173W |
75 | 173Re | 173Re |
76 | 174Os | 173Os |
77 | 175Ir | 173Ir |
78 | 176Pt | 173Pt |
79 | 177Au | 173Au |
80 | 178Hg | 173Hg |
81 | 179Tl | |
82 | 180Pb | |
External data and identifiers
Last update: 2020-10-21
Perma link: https://www.chemlin.org/isotope/rhenium-173
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