Indium-110

Properties and data of the isotope ¹¹⁰In.

Contents

General data

Name of the isotope:Indium-110; In-110Symbol:¹¹⁰In or 11049InMass number A:110 (= number of nucleons)Atomic number Z:49 (= number of protons)Neutrons N:61Isotopic mass:109.907171(12) u (atomic weight of Indium-110)Nuclide mass:109.8802921 u (calculated nuclear mass without electrons)Mass excess:-86.46966 MeVMass defect:1.004815444 u (per nucleus)Nuclear binding energy:935.97955719 MeV (per nucleus)
8.50890507 MeV (average binding energy per nucleon)Separation energy:S_N = 8.052(12) MeV (first neutron)
S_P = 5.255(12) MeV (first proton)Half-life:4.92(8) hDecay constant λ:3.913432591237 × 10^-5 s^-1Specific activity α:2.162132322045 × 10⁺¹⁷ Bq g^-1
5843600.8703938 Ci g^-1Spin and parity:
(nuclear angular momentum)7+Magnetic dipole moment:μ(μ_N) = + 4.706(8)Quadrupole moment Q:+ 1.000(22) barn (100 fm²)Nuclear g-factor:g_l = 0.67228571428571Charge radius:4.5742(56) femtometer fmYear of discovery:1939

Radioactive Decay

Half-life T_½ = 4.92(8) h (hours) respectively 1.7712 × 10⁴ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	¹¹⁰Cd	100 %	3.878(11) MeV

Parent Nuclides

Direct parent isotope is: ¹¹⁰Sn.

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
^110mIn	62.08(4) keV	69.1(5) min	2+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 61) and isobaric (same nucleon number A = 110) with Indium-110. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 61	Isobar A = 110
34	⁹⁵Se
35	⁹⁶Br
36	⁹⁷Kr
37	⁹⁸Rb
38	⁹⁹Sr
39	¹⁰⁰Y
40	¹⁰¹Zr	¹¹⁰Zr
41	¹⁰²Nb	¹¹⁰Nb
42	¹⁰³Mo	¹¹⁰Mo
43	¹⁰⁴Tc	¹¹⁰Tc
44	¹⁰⁵Ru	¹¹⁰Ru
45	¹⁰⁶Rh	¹¹⁰Rh
46	¹⁰⁷Pd	¹¹⁰Pd
47	¹⁰⁸Ag	¹¹⁰Ag
48	¹⁰⁹Cd	¹¹⁰Cd
49	¹¹⁰In	¹¹⁰In
50	¹¹¹Sn	¹¹⁰Sn
51	¹¹²Sb	¹¹⁰Sb
52	¹¹³Te	¹¹⁰Te
53	¹¹⁴I	¹¹⁰I
54	¹¹⁵Xe	¹¹⁰Xe
55	¹¹⁶Cs
56	¹¹⁷Ba
57	¹¹⁸La
58	¹¹⁹Ce