Rhodium-103

Properties and data of the isotope ¹⁰³Rh.

Contents

General data

Name of the isotope:Rhodium-103; Rh-103Symbol:¹⁰³Rh or 10345RhMass number A:103 (= number of nucleons)Atomic number Z:45 (= number of protons)Neutrons N:58Isotopic mass:102.90550(2) u (atomic weight of Rhodium-103)Nuclide mass:102.8808152 u (calculated nuclear mass without electrons)Mass excess:-88.02618 MeVMass defect:0.949191568 u (per nucleus)Nuclear binding energy:884.16625044 MeV (per nucleus)
8.58413835 MeV (average binding energy per nucleon)Separation energy:S_N = 9.320(7) MeV (first neutron)
S_P = 6.2142(23) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)1/2-Magnetic dipole moment:μ(μ_N) = - 0.08829(3)Charge radius:4.4945(23) femtometer fm

Parent Nuclides

Direct parent isotopes are: ¹⁰³Pd, ¹⁰³Ru.

Occurrence

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

	Atomic Mass m_a	Quantity	Half-life	Spin
Rhodium Isotopic mixture	102.90549 u	100 %
Isotope ¹⁰³Rh	102.90550(2) u	100 %	stable	1/2-

NMR data

Nuclear magnetic properties of the NMR active Nuclide ¹⁰³Rh

Isotope:¹⁰³Rh-NMRQuantity:100 %Spin:1/2-Nuclearmagnetic moment
μ/μ_N:- 0.08829(3)Gyromagnetic ratio γ:- 0.8468 · 10⁷ rad T^-1 s^-1Nuclear g-factor:g_l = -0.17658Resonance frequency:v₀ = 1.3477 at 1 TRelative Sensitivity:0.00003 (H₀ = const.)
0.0317 (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
^103mRh	39.753(6) keV	56.114(9) min	7/2+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 58) and isobaric (same nucleon number A = 103) with Rhodium-103. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 58	Isobar A = 103
32	⁹⁰Ge
33	⁹¹As
34	⁹²Se
35	⁹³Br
36	⁹⁴Kr
37	⁹⁵Rb	¹⁰³Rb
38	⁹⁶Sr	¹⁰³Sr
39	⁹⁷Y	¹⁰³Y
40	⁹⁸Zr	¹⁰³Zr
41	⁹⁹Nb	¹⁰³Nb
42	¹⁰⁰Mo	¹⁰³Mo
43	¹⁰¹Tc	¹⁰³Tc
44	¹⁰²Ru	¹⁰³Ru
45	¹⁰³Rh	¹⁰³Rh
46	¹⁰⁴Pd	¹⁰³Pd
47	¹⁰⁵Ag	¹⁰³Ag
48	¹⁰⁶Cd	¹⁰³Cd
49	¹⁰⁷In	¹⁰³In
50	¹⁰⁸Sn	¹⁰³Sn
51	¹⁰⁹Sb	¹⁰³Sb
52	¹¹⁰Te
53	¹¹¹I
54	¹¹²Xe
55	¹¹³Cs
56	¹¹⁴Ba