Niobium-114

Properties and data of the isotope ¹¹⁴Nb.

Content

General data

Name of the isotope:Niobium-114; Nb-114Symbol:¹¹⁴Nb or 11441NbMass number A:114 (= number of nucleons)Atomic number Z:41 (= number of protons)Neutrons N:73Isotopic mass:113.96201(54) u (atomic weight of Niobium-114)Nuclide mass:113.9395192 u (calculated nuclear mass without electrons)Mass excess:-35.38746 MeVMass defect:0.99135518000001 u (per nucleus)Nuclear binding energy:923.44140204 MeV (per nucleus)
8.10036318 MeV (average binding energy per nucleon)Separation energy:S_N = 2.95(64) MeV (first neutron)Half-life:17(5) msDecay constant λ:40.77336356235 s^-1Specific activity α:2.17294636022 × 10⁺²³ Bq g^-1
5872828000618.9 Ci g^-1Spin and parity:
(nuclear angular momentum)Year of discovery:2010

Radioactive Decay

Half-life T_½ = 17(5) ms respectively 1.7 × 10^-2 seconds s.

Decay mode	Daughter	Probability	Decay energy
β^-	¹¹⁴Mo		14.442(58) MeV
β^-, n	¹¹³Mo	?	9.03(59) MeV
β^-, 2n	¹¹²Mo	?

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 73) and isobaric (same nucleon number A = 114) with Niobium-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 73	Isobar A = 114
41	¹¹⁴Nb	¹¹⁴Nb
42	¹¹⁵Mo	¹¹⁴Mo
43	¹¹⁶Tc	¹¹⁴Tc
44	¹¹⁷Ru	¹¹⁴Ru
45	¹¹⁸Rh	¹¹⁴Rh
46	¹¹⁹Pd	¹¹⁴Pd
47	¹²⁰Ag	¹¹⁴Ag
48	¹²¹Cd	¹¹⁴Cd
49	¹²²In	¹¹⁴In
50	¹²³Sn	¹¹⁴Sn
51	¹²⁴Sb	¹¹⁴Sb
52	¹²⁵Te	¹¹⁴Te
53	¹²⁶I	¹¹⁴I
54	¹²⁷Xe	¹¹⁴Xe
55	¹²⁸Cs	¹¹⁴Cs
56	¹²⁹Ba	¹¹⁴Ba
57	¹³⁰La
58	¹³¹Ce
59	¹³²Pr
60	¹³³Nd
61	¹³⁴Pm
62	¹³⁵Sm
63	¹³⁶Eu
64	¹³⁷Gd
65	¹³⁸Tb
66	¹³⁹Dy
67	¹⁴⁰Ho