Tin-117

Properties and data of the isotope ¹¹⁷Sn.

Contents

General data

Name of the isotope:Tin-117; Sn-117Symbol:¹¹⁷Sn or 11750SnMass number A:117 (= number of nucleons)Atomic number Z:50 (= number of protons)Neutrons N:67Isotopic mass:116.902954(3) u (atomic weight of Tin-117)Nuclide mass:116.8755266 u (calculated nuclear mass without electrons)Mass excess:-90.39777 MeVMass defect:1.068846972 u (per nucleus)Nuclear binding energy:995.62454134 MeV (per nucleus)
8.50961146 MeV (average binding energy per nucleon)Separation energy:S_N = 6.9431(5) MeV (first neutron)
S_P = 9.4370(5) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)1/2+Magnetic dipole moment:μ(μ_N) = -0.9995(5)Charge radius:4.6302(19) femtometer fmYear of discovery:1923

Parent Nuclides

Direct parent isotopes are: ¹¹⁷Sb, ¹¹⁷In.

Occurrence

Comparison of the natural Tin isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

	Atomic Mass m_a	Quantity	Half-life	Spin
Tin Isotopic mixture	118.710 u	100 %
Isotope ¹¹²Sn	111.904824(4) u	0.97(1) %	stable	0+
Isotope ¹¹⁴Sn	113.902783(6) u	0.66(1) %	stable	0+
Isotope ¹¹⁵Sn	114.9033447(1) u	0.34(1) %	stable	1/2+
Isotope ¹¹⁶Sn	115.901743(1) u	14.54(9) %	stable	0+
Isotope ¹¹⁷Sn	116.902954(3) u	7.68(7) %	stable	1/2+
Isotope ¹¹⁸Sn	117.901607(3) u	24.22(9) %	stable	0+
Isotope ¹¹⁹Sn	118.903311(5) u	8.59(4) %	stable	1/2+
Isotope ¹²⁰Sn	119.902202(6) u	32.58(9) %	stable	0+
Isotope ¹²²Sn	121.90344(2) u	4.63(3) %	stable	0+
Isotope ¹²⁴Sn	123.905277(7) u	5.79(5) %	stable	0+

NMR data

Nuclear magnetic properties of the NMR active Nuclide ¹¹⁷Sn

Isotope:¹¹⁷Sn-NMRQuantity:7.68(7) %Spin:1/2+Nuclearmagnetic moment
μ/μ_N:-0.9995(5)Gyromagnetic ratio γ:9.589 · 10⁷ rad T^-1 s^-1Nuclear g-factor:g_l = -1.999Resonance frequency:v₀ = 15.2610 at 1 TRelative Sensitivity:0.04605 (H₀ = const.)
0.3584 (v₀ = const.)
[related to ¹H = 1.000]

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
^117mSn	314.58(4) keV	14.00(5) d	11/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 67) and isobaric (same nucleon number A = 117) with Tin-117. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 67	Isobar A = 117
38	¹⁰⁵Sr
39	¹⁰⁶Y
40	¹⁰⁷Zr
41	¹⁰⁸Nb
42	¹⁰⁹Mo	¹¹⁷Mo
43	¹¹⁰Tc	¹¹⁷Tc
44	¹¹¹Ru	¹¹⁷Ru
45	¹¹²Rh	¹¹⁷Rh
46	¹¹³Pd	¹¹⁷Pd
47	¹¹⁴Ag	¹¹⁷Ag
48	¹¹⁵Cd	¹¹⁷Cd
49	¹¹⁶In	¹¹⁷In
50	¹¹⁷Sn	¹¹⁷Sn
51	¹¹⁸Sb	¹¹⁷Sb
52	¹¹⁹Te	¹¹⁷Te
53	¹²⁰I	¹¹⁷I
54	¹²¹Xe	¹¹⁷Xe
55	¹²²Cs	¹¹⁷Cs
56	¹²³Ba	¹¹⁷Ba
57	¹²⁴La	¹¹⁷La
58	¹²⁵Ce
59	¹²⁶Pr
60	¹²⁷Nd
61	¹²⁸Pm
62	¹²⁹Sm
63	¹³⁰Eu