Iodine-145
Properties and data of the isotope 145I.
See also: List of individual Iodine isotopes (and general data sources).
General data
Name of the isotope:Iodine-145; I-145Other names:Jod-145Symbol:145I or 14553IMass number A:145 (= number of nucleons)Atomic number Z:53 (= number of protons)Neutrons N:92Nucleon pairing (Z - N):odd - evenNuclear ratio (N/Z ratio):1.7358490566038 (= neutron-proton ratio)Neutron excess (N-Z):39Isotopic mass:144.95605(54) u (atomic weight of Iodine-145)Nuclide mass:144.9269771 u (calculated nuclear mass without electrons)Mass excess:-40.93916 MeVMass defect:1.255848968 u (per nucleus)Nuclear binding energy:1169.8157786 MeV (per nucleus)
8.06769502 MeV (average binding energy per nucleon)Separation energy:SN = 3.73(64) MeV (first neutron)Half-life:407 nsDecay constant λ:1703064.3257001 s-1Specific activity α:7.122286988124 × 10+27 Bq g-1
1.924942429222 × 10+17 Ci g-1Spin and parity:
(nuclear angular momentum)Year of discovery:2010
Radioactive Decay
Half-life T½ = 407 ns respectively 4.07 × 10-7 seconds s.
Decay
mode | Daughter | Probability | Decay energy | γ energy
(intensity) |
|---|
| β- | 145Xe | ? | 10.55(50) MeV | |
| β-, n | 144Xe | ? | 7.86(50) MeV | |
Isotones and Isobars
The following table shows the atomic nuclei that are isotonic (same neutron number N = 92) and isobaric (same nucleon number A = 145) with Iodine-145. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.
| Z | Isotone N = 92 | Isobar A = 145 |
|---|
| 53 | 145I | 145I |
| 54 | 146Xe | 145Xe |
| 55 | 147Cs | 145Cs |
| 56 | 148Ba | 145Ba |
| 57 | 149La | 145La |
| 58 | 150Ce | 145Ce |
| 59 | 151Pr | 145Pr |
| 60 | 152Nd | 145Nd |
| 61 | 153Pm | 145Pm |
| 62 | 154Sm | 145Sm |
| 63 | 155Eu | 145Eu |
| 64 | 156Gd | 145Gd |
| 65 | 157Tb | 145Tb |
| 66 | 158Dy | 145Dy |
| 67 | 159Ho | 145Ho |
| 68 | 160Er | 145Er |
| 69 | 161Tm | 145Tm |
| 70 | 162Yb | |
| 71 | 163Lu | |
| 72 | 164Hf | |
| 73 | 165Ta | |
| 74 | 166W | |
| 75 | 167Re | |
| 76 | 168Os | |
| 77 | 169Ir | |
| 78 | 170Pt | |
| 79 | 171Au | |
| 80 | 172Hg | |
External data and identifiers
Last update: 2020-10-18
Perma link: https://www.chemlin.org/isotope/iodine-145
© 1996 - 2026 ChemLin
