Titanium-59

Properties and data of the isotope ⁵⁹Ti.

Content

General data

Name of the isotope:Titanium-59; Ti-59Symbol:⁵⁹Ti or 5922TiMass number A:59 (= number of nucleons)Atomic number Z:22 (= number of protons)Neutrons N:37Isotopic mass:58.97261(21) u (atomic weight of Titanium-59)Nuclide mass:58.9605415 u (calculated nuclear mass without electrons)Mass excess:-25.51362 MeVMass defect:0.520142596 u (per nucleus)Nuclear binding energy:484.50970732 MeV (per nucleus)
8.21202894 MeV (average binding energy per nucleon)Separation energy:S_N = 2.47(28) MeV (first neutron)
S_P = 17.92(45) MeV (first proton)Half-life:28.5(25) msDecay constant λ:24.320953703858 s^-1Specific activity α:2.525244983666 × 10⁺²³ Bq g^-1
6824986442340.8 Ci g^-1Spin and parity:
(nuclear angular momentum)(5/2-)Year of discovery:1997

Radioactive Decay

Half-life T_½ = 28.5(25) ms respectively 2.85 × 10^-2 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	⁵⁹V	100 %	12.32(26) MeV

Parent Nuclides

Direct parent isotope is: ⁵⁹Sc.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 37) and isobaric (same nucleon number A = 59) with Titanium-59. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 37	Isobar A = 59
19	⁵⁶K
20	⁵⁷Ca
21	⁵⁸Sc	⁵⁹Sc
22	⁵⁹Ti	⁵⁹Ti
23	⁶⁰V	⁵⁹V
24	⁶¹Cr	⁵⁹Cr
25	⁶²Mn	⁵⁹Mn
26	⁶³Fe	⁵⁹Fe
27	⁶⁴Co	⁵⁹Co
28	⁶⁵Ni	⁵⁹Ni
29	⁶⁶Cu	⁵⁹Cu
30	⁶⁷Zn	⁵⁹Zn
31	⁶⁸Ga	⁵⁹Ga
32	⁶⁹Ge	⁵⁹Ge
33	⁷⁰As
34	⁷¹Se
35	⁷²Br
36	⁷³Kr
37	⁷⁴Rb
38	⁷⁵Sr
39	⁷⁶Y
40	⁷⁷Zr