Tin-114m

Properties and data of the isotope ^114mSn.

Contents

See also: List of individual Tin isotopes (and general data sources).

General data

Name of the isotope:Tin-114m; Sn-114mSymbol:^114mSn or 114m50SnMass number A:114 (= number of nucleons)Atomic number Z:50 (= number of protons)Neutrons N:64Nucleon pairing (Z - N):even - evenNuclear ratio (N/Z ratio):1.28 (= neutron-proton ratio)Neutron excess (N-Z):14Excitation energy:3087.37(7) keVIsotopic mass:113.902783(6) u (atomic weight of Tin-114m)Nuclide mass:113.8753556 u (calculated nuclear mass without electrons)Mass excess:-90.55705 MeVMass defect:1.043023224 u (per nucleus)Nuclear binding energy:971.56987502 MeV (per nucleus)
8.52254276 MeV (average binding energy per nucleon)Half-life:733(14) nsDecay constant λ:945630.53282394 s^-1Specific activity α:5.039575460285 × 10⁺²⁷ Bq g^-1
1.362047421698 × 10⁺¹⁷ Ci g^-1Spin and parity:
(nuclear angular momentum)7-Magnetic dipole moment:μ(μ_N) = -0.567(4)Quadrupole moment Q:0.32(3) barn (100 fm²)Nuclear g-factor:g_l = -0.081

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
¹¹⁴Sn		stable	0+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 64) and isobaric (same nucleon number A = 114) with Tin-114m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 64	Isobar A = 114
36	¹⁰⁰Kr
37	¹⁰¹Rb
38	¹⁰²Sr
39	¹⁰³Y
40	¹⁰⁴Zr
41	¹⁰⁵Nb	¹¹⁴Nb
42	¹⁰⁶Mo	¹¹⁴Mo
43	¹⁰⁷Tc	¹¹⁴Tc
44	¹⁰⁸Ru	¹¹⁴Ru
45	¹⁰⁹Rh	¹¹⁴Rh
46	¹¹⁰Pd	¹¹⁴Pd
47	¹¹¹Ag	¹¹⁴Ag
48	¹¹²Cd	¹¹⁴Cd
49	¹¹³In	¹¹⁴In
50	¹¹⁴Sn	¹¹⁴Sn
51	¹¹⁵Sb	¹¹⁴Sb
52	¹¹⁶Te	¹¹⁴Te
53	¹¹⁷I	¹¹⁴I
54	¹¹⁸Xe	¹¹⁴Xe
55	¹¹⁹Cs	¹¹⁴Cs
56	¹²⁰Ba	¹¹⁴Ba
57	¹²¹La
58	¹²²Ce
59	¹²³Pr
60	¹²⁴Nd