Antimony-130m

Properties and data of the isotope ¹³⁰Sb.

Content

General data

Name of the isotope:Antimony-130m; Sb-130mSymbol:¹³⁰Sb or 13051SbMass number A:130 (= number of nucleons)Atomic number Z:51 (= number of protons)Neutrons N:79Isotopic mass:129.911663(15) u (atomic weight of Antimony-130m)
Excitation energy: 4.8(2) keVNuclide mass:129.8836871 u (calculated nuclear mass without electrons)Mass excess:-82.28539 MeVMass defect:1.171941996 u (per nucleus)Nuclear binding energy:1091.65693762 MeV (per nucleus)
8.39736106 MeV (average binding energy per nucleon)Half-life:6.3(2) minDecay constant λ:0.001833722699894 s^-1Specific activity α:8.560415811492 × 10⁺¹⁸ Bq g^-1
231362589.4998 Ci g^-1Spin and parity:
(nuclear angular momentum)(4.5)+

Radioactive Decay

Half-life T_½ = 6.3(2) min (minutes) respectively 3.78 × 10² seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
β^-	¹³⁰Te	100 %

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear Isomer	Excitation Energy	Half-life	Spin
¹³⁰Sb		39.5(8) min	(8-)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 79) and isobaric (same nucleon number A = 130) with Antimony-130m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 79	Isobar A = 130
44	¹²³Ru
45	¹²⁴Rh
46	¹²⁵Pd
47	¹²⁶Ag	¹³⁰Ag
48	¹²⁷Cd	¹³⁰Cd
49	¹²⁸In	¹³⁰In
50	¹²⁹Sn	¹³⁰Sn
51	¹³⁰Sb	¹³⁰Sb
52	¹³¹Te	¹³⁰Te
53	¹³²I	¹³⁰I
54	¹³³Xe	¹³⁰Xe
55	¹³⁴Cs	¹³⁰Cs
56	¹³⁵Ba	¹³⁰Ba
57	¹³⁶La	¹³⁰La
58	¹³⁷Ce	¹³⁰Ce
59	¹³⁸Pr	¹³⁰Pr
60	¹³⁹Nd	¹³⁰Nd
61	¹⁴⁰Pm	¹³⁰Pm
62	¹⁴¹Sm	¹³⁰Sm
63	¹⁴²Eu	¹³⁰Eu
64	¹⁴³Gd
65	¹⁴⁴Tb
66	¹⁴⁵Dy
67	¹⁴⁶Ho
68	¹⁴⁷Er
69	¹⁴⁸Tm
70	¹⁴⁹Yb
71	¹⁵⁰Lu