Mercury-193
Properties and data of the isotope 193Hg.
See also: List of individual Mercury isotopes (and general data sources).
General data
Name of the isotope:Mercury-193; Hg-193Symbol:193Hg or 19380HgMass number A:193 (= number of nucleons)Atomic number Z:80 (= number of protons)Neutrons N:113Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.4125 (= neutron-proton ratio)Neutron excess (N-Z):33Isotopic mass:192.966653(17) u (atomic weight of Mercury-193)Nuclide mass:192.9227714 u (calculated nuclear mass without electrons)Mass excess:-31.06253 MeVMass defect:1.638485068 u (per nucleus)Nuclear binding energy:1526.23900993 MeV (per nucleus)
7.90797414 MeV (average binding energy per nucleon)Separation energy:SN = 7.122(22) MeV (first neutron)
SP = 5.579(22) MeV (first proton)Half-life:3.80(15) hDecay constant λ:5.066865354970 × 10-5 s-1Specific activity α:1.589238379477 × 10+17 Bq g-1
4295238.8634522 Ci g-1Spin and parity:
(nuclear angular momentum)3/2(-)Magnetic dipole moment:μ(μN) = -0.62757(18)Quadrupole moment Q:-0.72(38) barn (100 fm2)Nuclear g-factor:gl = -0.41838Charge radius:5.4238(35) femtometer fmYear of discovery:1952
Radioactive Decay
Half-life T½ = 3.80(15) h (hours) respectively 1.3680 × 104 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| EC/β+ | 193Au | 100 % | 2.343(18) MeV | |
Parent Nuclides
Direct parent isotope is: 193Tl.
Nuclear Isomers
Nuclear isomers or excited states with the activation energy in keV related to the ground state.
| Nuclear Isomer | Excitation Energy | Half-life | Spin |
|---|
| 193mHg | 140.76(5) keV | 11.8(2) h | 13/2(+) |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 113) and isobaric (same nucleon number A = 193) with Mercury-193. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 113 | Isobar A = 193 |
|---|
| 70 | 183Yb | |
| 71 | 184Lu | |
| 72 | 185Hf | |
| 73 | 186Ta | 193Ta |
| 74 | 187W | 193W |
| 75 | 188Re | 193Re |
| 76 | 189Os | 193Os |
| 77 | 190Ir | 193Ir |
| 78 | 191Pt | 193Pt |
| 79 | 192Au | 193Au |
| 80 | 193Hg | 193Hg |
| 81 | 194Tl | 193Tl |
| 82 | 195Pb | 193Pb |
| 83 | 196Bi | 193Bi |
| 84 | 197Po | 193Po |
| 85 | 198At | 193At |
| 86 | 199Rn | 193Rn |
| 87 | 200Fr | |
| 88 | 201Ra | |
External data and identifiers
Last update: 2020-10-22
Perma link: https://www.chemlin.org/isotope/mercury-193
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