About   |   More   |   Search
ChemLin Logo

Niobium-115

Properties and data of the isotope 115Nb.


Content

See also: list of Niobium isotopes.

 

General data

Name of the isotope:Niobium-115; Nb-115Symbol:115Nb or 11541NbMass number A:115 (= number of nucleons)Atomic number Z:41 (= number of protons)Neutrons N:74Isotopic mass:114.96634(54) u (atomic weight of Niobium-115)Nuclide mass:114.9438492 u (calculated nuclear mass without electrons)Mass excess:-31.35409 MeVMass defect:0.995690096 u (per nucleus)Nuclear binding energy:927.47935028 MeV (per nucleus)
8.06503783 MeV (average binding energy per nucleon)
Separation energy:SN = 4.04(71) MeV (first neutron)Half-life:23(8) msDecay constant λ:30.136833937389 s-1Specific activity α:1.592002272311 × 10+23 Bq g-1
4302708844084.3 Ci g-1
Spin and parity:
(nuclear angular momentum)
Year of discovery:2010

 

Radioactive Decay

Half-life T½ = 23(8) ms respectively 2.3 × 10-2 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-115Mo13.39(64) MeV
β-, n114Mo?10.38(58) MeV
β-, 2n113Mo?

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 74) and isobaric (same nucleon number A = 115) with Niobium-115. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 74Isobar A = 115
41115Nb115Nb
42116Mo115Mo
43117Tc115Tc
44118Ru115Ru
45119Rh115Rh
46120Pd115Pd
47121Ag115Ag
48122Cd115Cd
49123In115In
50124Sn115Sn
51125Sb115Sb
52126Te115Te
53127I115I
54128Xe115Xe
55129Cs115Cs
56130Ba115Ba
57131La
58132Ce
59133Pr
60134Nd
61135Pm
62136Sm
63137Eu
64138Gd
65139Tb
66140Dy
67141Ho

 

External data and identifiers

Adopted Levels, Gammas:NuDat 115Nb

 


More Chemistry

isotopes

 

 

 

 

Social Media

Facebook

LinkedIn

Twitter

 

 


Last update: 2020-10-15


© 1996 - 2024 ChemLin