Tin-115

Properties and data of the isotope ¹¹⁵Sn.

Contents

General data

Name of the isotope:Tin-115; Sn-115Symbol:¹¹⁵Sn or 11550SnMass number A:115 (= number of nucleons)Atomic number Z:50 (= number of protons)Neutrons N:65Isotopic mass:114.9033447(1) u (atomic weight of Tin-115)Nuclide mass:114.8759173 u (calculated nuclear mass without electrons)Mass excess:-90.03383 MeVMass defect:1.05112644 u (per nucleus)Nuclear binding energy:979.1179721 MeV (per nucleus)
8.51406932 MeV (average binding energy per nucleon)Separation energy:S_N = 7.54543(2) MeV (first neutron)
S_P = 8.7530(3) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)1/2+Magnetic dipole moment:μ(μ_N) = - 0.9174(4)Charge radius:4.6148(19) femtometer fmYear of discovery:1927

Parent Nuclides

Direct parent isotopes are: ¹¹⁵Sb, ¹¹⁵In.

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 ¹¹⁵Sn

Isotope:¹¹⁵Sn-NMRQuantity:0.34(1) %Spin:1/2+Nuclearmagnetic moment
μ/μ_N:- 0.9174(4)Gyromagnetic ratio γ:8.8014 · 10⁷ rad T^-1 s^-1Nuclear g-factor:g_l = -1.8348Resonance frequency:v₀ = 14.0077 at 1 TRelative Sensitivity:0.03561 (H₀ = const.)
0.3290 (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
^115m1Sn	612.81(4) keV	3.26(8) μs	7/2+
^115m2Sn	713.64(12) keV	159(1) μs	11/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 115) with Tin-115. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

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