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Niobium-112

Properties and data of the isotope 112Nb.


Content

See also: list of Niobium isotopes.

 

General data

Name of the isotope:Niobium-112; Nb-112Symbol:112Nb or 11241NbMass number A:112 (= number of nucleons)Atomic number Z:41 (= number of protons)Neutrons N:71Isotopic mass:111.95247(32) u (atomic weight of Niobium-112)Nuclide mass:111.9299792 u (calculated nuclear mass without electrons)Mass excess:-44.27391 MeVMass defect:0.98356534800001 u (per nucleus)Nuclear binding energy:916.18522027 MeV (per nucleus)
8.18022518 MeV (average binding energy per nucleon)
Separation energy:SN = 3.47(42) MeV (first neutron)
SP = 14.00(76) MeV (first proton)
Half-life:33 msDecay constant λ:21.004460016968 s-1Specific activity α:1.139565918099 × 10+23 Bq g-1
3079907886756.5 Ci g-1
Spin and parity:
(nuclear angular momentum)
(2+)Year of discovery:1997

 

Radioactive Decay

Half-life T½ = 33 ms respectively 3.3 × 10-2 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-112Mo100 %13.19(36) %

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 71) and isobaric (same nucleon number A = 112) with Niobium-112. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 71Isobar A = 112
40111Zr112Zr
41112Nb112Nb
42113Mo112Mo
43114Tc112Tc
44115Ru112Ru
45116Rh112Rh
46117Pd112Pd
47118Ag112Ag
48119Cd112Cd
49120In112In
50121Sn112Sn
51122Sb112Sb
52123Te112Te
53124I112I
54125Xe112Xe
55126Cs112Cs
56127Ba
57128La
58129Ce
59130Pr
60131Nd
61132Pm
62133Sm
63134Eu
64135Gd
65136Tb

 

External data and identifiers

Adopted Levels, Gammas:NuDat 112Nb

 


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Last update: 2020-10-15


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