Antimony-114

Properties and data of the isotope ¹¹⁴Sb.

Content

General data

Name of the isotope:Antimony-114; Sb-114Symbol:¹¹⁴Sb or 11451SbMass number A:114 (= number of nucleons)Atomic number Z:51 (= number of protons)Neutrons N:63Isotopic mass:113.909289(23) u (atomic weight of Antimony-114)Nuclide mass:113.8813131 u (calculated nuclear mass without electrons)Mass excess:-84.49675 MeVMass defect:1.03567734 u (per nucleus)Nuclear binding energy:964.72722815 MeV (per nucleus)
8.46251955 MeV (average binding energy per nucleon)Separation energy:S_N = 8.151(28) MeV (first neutron)
S_P = 3.457(22) MeV (first proton)Half-life:3.49(3) minDecay constant λ:0.0033101584553961 s^-1Specific activity α:1.76409207850 × 10⁺¹⁹ Bq g^-1
476781642.83919 Ci g^-1Spin and parity:
(nuclear angular momentum)3+Magnetic dipole moment:μ(μ_N) = + 1.72(8)Nuclear g-factor:g_l = 0.57333333333333Year of discovery:1959

Radioactive Decay

Half-life T_½ = 3.49(3) min (minutes) respectively 2.094 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE/β⁺	¹¹⁴Sn	100 %	6.063(22) MeV

Parent Nuclides

Direct parent isotope is: ¹¹⁴Te.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 63) and isobaric (same nucleon number A = 114) with Antimony-114. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 63	Isobar A = 114
35	⁹⁸Br
36	⁹⁹Kr
37	¹⁰⁰Rb
38	¹⁰¹Sr
39	¹⁰²Y
40	¹⁰³Zr
41	¹⁰⁴Nb	¹¹⁴Nb
42	¹⁰⁵Mo	¹¹⁴Mo
43	¹⁰⁶Tc	¹¹⁴Tc
44	¹⁰⁷Ru	¹¹⁴Ru
45	¹⁰⁸Rh	¹¹⁴Rh
46	¹⁰⁹Pd	¹¹⁴Pd
47	¹¹⁰Ag	¹¹⁴Ag
48	¹¹¹Cd	¹¹⁴Cd
49	¹¹²In	¹¹⁴In
50	¹¹³Sn	¹¹⁴Sn
51	¹¹⁴Sb	¹¹⁴Sb
52	¹¹⁵Te	¹¹⁴Te
53	¹¹⁶I	¹¹⁴I
54	¹¹⁷Xe	¹¹⁴Xe
55	¹¹⁸Cs	¹¹⁴Cs
56	¹¹⁹Ba	¹¹⁴Ba
57	¹²⁰La
58	¹²¹Ce
59	¹²²Pr