Iodine-145

Properties and data of the isotope ¹⁴⁵I.

Content

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:92Isotopic 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:S_N = 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 T_½ = 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.

OZ	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