Antimony-116m1

Properties and data of the isotope ¹¹⁶Sb.

Content

General data

Name of the isotope:Antimony-116m1; Sb-116m1Symbol:¹¹⁶Sb or 11651SbMass number A:116 (= number of nucleons)Atomic number Z:51 (= number of protons)Neutrons N:65Isotopic mass:115.906793(6) u (atomic weight of Antimony-116m1)
Excitation energy: 93.99(5) keVNuclide mass:115.8788171 u (calculated nuclear mass without electrons)Mass excess:-86.82176 MeVMass defect:1.055503172 u (per nucleus)Nuclear binding energy:983.1948717 MeV (per nucleus)
8.47581786 MeV (average binding energy per nucleon)Half-life:194(4) nsDecay constant λ:3572923.6111337 s^-1Specific activity α:1.871012979829 × 10⁺²⁸ Bq g^-1
5.056791837377 × 10⁺¹⁷ Ci g^-1Spin and parity:
(nuclear angular momentum)1+Magnetic dipole moment:μ(μ_N) = +2.47(9)Nuclear g-factor:g_l = 2.47

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
¹¹⁶Sb		15.8(8) min	3+
^116m2Sb	383(40) keV	60.3(6) min	8-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 116) with Antimony-116m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 65	Isobar A = 116
36	¹⁰¹Kr
37	¹⁰²Rb
38	¹⁰³Sr
39	¹⁰⁴Y
40	¹⁰⁵Zr
41	¹⁰⁶Nb
42	¹⁰⁷Mo	¹¹⁶Mo
43	¹⁰⁸Tc	¹¹⁶Tc
44	¹⁰⁹Ru	¹¹⁶Ru
45	¹¹⁰Rh	¹¹⁶Rh
46	¹¹¹Pd	¹¹⁶Pd
47	¹¹²Ag	¹¹⁶Ag
48	¹¹³Cd	¹¹⁶Cd
49	¹¹⁴In	¹¹⁶In
50	¹¹⁵Sn	¹¹⁶Sn
51	¹¹⁶Sb	¹¹⁶Sb
52	¹¹⁷Te	¹¹⁶Te
53	¹¹⁸I	¹¹⁶I
54	¹¹⁹Xe	¹¹⁶Xe
55	¹²⁰Cs	¹¹⁶Cs
56	¹²¹Ba	¹¹⁶Ba
57	¹²²La	¹¹⁶La
58	¹²³Ce
59	¹²⁴Pr
60	¹²⁵Nd
61	¹²⁶Pm