Rhodium-92m

Properties and data of the isotope ^92mRh.

Contents

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

General data

Name of the isotope:Rhodium-92m; Rh-92mSymbol:^92mRh or 92m45RhMass number A:92 (= number of nucleons)Atomic number Z:45 (= number of protons)Neutrons N:47Nucleon pairing (Z - N):odd - oddNuclear ratio (N/Z ratio):1.0444444444444 (= neutron-proton ratio)Neutron excess (N-Z):2Excitation energy:+ XIsotopic mass:91.932368(5) u (atomic weight of Rhodium-92m)Nuclide mass:91.9076832 u (calculated nuclear mass without electrons)Mass excess:-62.9988 MeVMass defect:0.827009492 u (per nucleus)Nuclear binding energy:770.35437974 MeV (per nucleus)
8.37341717 MeV (average binding energy per nucleon)Half-life:0.53(37) sDecay constant λ:1.307824868981 s^-1Specific activity α:8.654841297947 × 10⁺²¹ Bq g^-1
233914629674.25 Ci g^-1Spin and parity:
(nuclear angular momentum)(2+)

Radioactive Decay

Half-life T_½ = 0.53(37) s respectively 5.3 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	⁹²Ru	100 %

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
⁹²Rh		4.66(25) s	(6+)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 47) and isobaric (same nucleon number A = 92) with Rhodium-92m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 47	Isobar A = 92
26	⁷³Fe
27	⁷⁴Co
28	⁷⁵Ni
29	⁷⁶Cu
30	⁷⁷Zn
31	⁷⁸Ga
32	⁷⁹Ge
33	⁸⁰As	⁹²As
34	⁸¹Se	⁹²Se
35	⁸²Br	⁹²Br
36	⁸³Kr	⁹²Kr
37	⁸⁴Rb	⁹²Rb
38	⁸⁵Sr	⁹²Sr
39	⁸⁶Y	⁹²Y
40	⁸⁷Zr	⁹²Zr
41	⁸⁸Nb	⁹²Nb
42	⁸⁹Mo	⁹²Mo
43	⁹⁰Tc	⁹²Tc
44	⁹¹Ru	⁹²Ru
45	⁹²Rh	⁹²Rh
46	⁹³Pd	⁹²Pd
47	⁹⁴Ag	⁹²Ag
48	⁹⁵Cd
49	⁹⁶In