Zirconium-106

Properties and data of the isotope ¹⁰⁶Zr.

Content

General data

Name of the isotope:Zirconium-106; Zr-106Symbol:¹⁰⁶Zr or 10640ZrMass number A:106 (= number of nucleons)Atomic number Z:40 (= number of protons)Neutrons N:66Isotopic mass:105.93714(46) u (atomic weight of Zirconium-106)Nuclide mass:105.9151978 u (calculated nuclear mass without electrons)Mass excess:-58.55371 MeVMass defect:0.947745736 u (per nucleus)Nuclear binding energy:882.81946661 MeV (per nucleus)
8.32848553 MeV (average binding energy per nucleon)Separation energy:S_N = 5.16(43) MeV (first neutron)
S_P = 14.57(141) MeV (first proton)Half-life:180(9) msDecay constant λ:3.8508176697775 s^-1Specific activity α:2.208587279365 × 10⁺²² Bq g^-1
596915480909.49 Ci g^-1Spin and parity:
(nuclear angular momentum)0+Year of discovery:1994

Radioactive Decay

Half-life T_½ = 180(9) ms respectively 1.80 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹⁰⁶Nb	> 93 %	7.65(43) MeV
β^-, n	¹⁰⁴Nb	< 7 %	3.29(43) MeV

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 66) and isobaric (same nucleon number A = 106) with Zirconium-106. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 66	Isobar A = 106
37	¹⁰³Rb
38	¹⁰⁴Sr	¹⁰⁶Sr
39	¹⁰⁵Y	¹⁰⁶Y
40	¹⁰⁶Zr	¹⁰⁶Zr
41	¹⁰⁷Nb	¹⁰⁶Nb
42	¹⁰⁸Mo	¹⁰⁶Mo
43	¹⁰⁹Tc	¹⁰⁶Tc
44	¹¹⁰Ru	¹⁰⁶Ru
45	¹¹¹Rh	¹⁰⁶Rh
46	¹¹²Pd	¹⁰⁶Pd
47	¹¹³Ag	¹⁰⁶Ag
48	¹¹⁴Cd	¹⁰⁶Cd
49	¹¹⁵In	¹⁰⁶In
50	¹¹⁶Sn	¹⁰⁶Sn
51	¹¹⁷Sb	¹⁰⁶Sb
52	¹¹⁸Te	¹⁰⁶Te
53	¹¹⁹I
54	¹²⁰Xe
55	¹²¹Cs
56	¹²²Ba
57	¹²³La
58	¹²⁴Ce
59	¹²⁵Pr
60	¹²⁶Nd
61	¹²⁷Pm
62	¹²⁸Sm