Titanium-58

Properties and data of the isotope ⁵⁸Ti.

Content

General data

Name of the isotope:Titanium-58; Ti-58Symbol:⁵⁸Ti or 5822TiMass number A:58 (= number of nucleons)Atomic number Z:22 (= number of protons)Neutrons N:36Isotopic mass:57.96660(21) u (atomic weight of Titanium-58)Nuclide mass:57.9545315 u (calculated nuclear mass without electrons)Mass excess:-31.1119 MeVMass defect:0.51748768 u (per nucleus)Nuclear binding energy:482.03666899 MeV (per nucleus)
8.31097705 MeV (average binding energy per nucleon)Separation energy:S_N = 5.27(32) MeV (first neutron)
S_P = 17.40(132) MeV (first proton)Half-life:58(9) msDecay constant λ:11.95081345793 s^-1Specific activity α:1.26262249183 × 10⁺²³ Bq g^-1
3412493221170.3 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1992

Radioactive Decay

Half-life T_½ = 58(9) ms respectively 5.8 × 10^-2 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁵⁸V	100 %	9.29(22) MeV
β^-, n	⁵⁷V	?	5.23(22) MeV

Parent Nuclides

Direct parent isotope is: ⁵⁸Sc.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 36) and isobaric (same nucleon number A = 58) with Titanium-58. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 36	Isobar A = 58
19	⁵⁵K
20	⁵⁶Ca	⁵⁸Ca
21	⁵⁷Sc	⁵⁸Sc
22	⁵⁸Ti	⁵⁸Ti
23	⁵⁹V	⁵⁸V
24	⁶⁰Cr	⁵⁸Cr
25	⁶¹Mn	⁵⁸Mn
26	⁶²Fe	⁵⁸Fe
27	⁶³Co	⁵⁸Co
28	⁶⁴Ni	⁵⁸Ni
29	⁶⁵Cu	⁵⁸Cu
30	⁶⁶Zn	⁵⁸Zn
31	⁶⁷Ga	⁵⁸Ga
32	⁶⁸Ge
33	⁶⁹As
34	⁷⁰Se
35	⁷¹Br
36	⁷²Kr
37	⁷³Rb
38	⁷⁴Sr