Tin-115m1
Properties and data of the isotope 115m1Sn.
See also: List of individual Tin isotopes (and general data sources).
General data
Name of the isotope:Tin-115m1; Sn-115m1Symbol:115m1Sn or 115m150SnMass number A:115 (= number of nucleons)Atomic number Z:50 (= number of protons)Neutrons N:65Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.3 (= neutron-proton ratio)Neutron excess (N-Z):15Excitation energy:612.81(4) keVIsotopic mass:114.9033447(1) u (atomic weight of Tin-115m1)Nuclide mass:114.8759173 u (calculated nuclear mass without electrons)Mass excess:-90.03383 MeVMass defect:1.05112644 u (per nucleus)Nuclear binding energy:979.1179721 MeV (per nucleus)
8.51406932 MeV (average binding energy per nucleon)Half-life:3.26(8) μsDecay constant λ:212621.83452759 s-1Specific activity α:1.123191787213 × 10+27 Bq g-1
3.035653478955 × 10+16 Ci g-1Spin and parity:
(nuclear angular momentum)7/2+Magnetic dipole moment:μ(μN) = +0.683(10)Quadrupole moment Q:0.26 barn (100 fm2)Nuclear g-factor:gl = 0.19514285714286
Radioactive Decay
Half-life T½ = 3.26(8) μs respectively 3.26 × 10-6 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| Iso | 115Sn | 100 % | | |
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 |
|---|
| 115Sn | | stable | 1/2+ |
| 115m2Sn | 713.64(12) keV | 159(1) μs | 11/2- |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 115) with Tin-115m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 65 | Isobar A = 115 |
|---|
| 36 | 101Kr | |
| 37 | 102Rb | |
| 38 | 103Sr | |
| 39 | 104Y | |
| 40 | 105Zr | |
| 41 | 106Nb | 115Nb |
| 42 | 107Mo | 115Mo |
| 43 | 108Tc | 115Tc |
| 44 | 109Ru | 115Ru |
| 45 | 110Rh | 115Rh |
| 46 | 111Pd | 115Pd |
| 47 | 112Ag | 115Ag |
| 48 | 113Cd | 115Cd |
| 49 | 114In | 115In |
| 50 | 115Sn | 115Sn |
| 51 | 116Sb | 115Sb |
| 52 | 117Te | 115Te |
| 53 | 118I | 115I |
| 54 | 119Xe | 115Xe |
| 55 | 120Cs | 115Cs |
| 56 | 121Ba | 115Ba |
| 57 | 122La | |
| 58 | 123Ce | |
| 59 | 124Pr | |
| 60 | 125Nd | |
| 61 | 126Pm | |
Last update: 2020-10-17
Perma link: https://www.chemlin.org/isotope/tin-115m1
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