Zinc-67m2

Properties and data of the isotope ^67m2Zn.

Contents

General data

Name of the isotope:Zinc-67m2; Zn-67m2Symbol:^67m2Zn or 67m230ZnMass number A:67 (= number of nucleons)Atomic number Z:30 (= number of protons)Neutrons N:37Isotopic mass:66.927128(6) u (atomic weight of Zinc-67m2)
Excitation energy: 604.48(5) keVNuclide mass:66.9106711 u (calculated nuclear mass without electrons)Mass excess:-67.87983 MeVMass defect:0.628224852 u (per nucleus)Nuclear binding energy:585.18768029 MeV (per nucleus)
8.73414448 MeV (average binding energy per nucleon)Half-life:333(14) nsDecay constant λ:2081523.0647446 s^-1Specific activity α:1.899276530166 × 10⁺²⁸ Bq g^-1
5.133179811260 × 10⁺¹⁷ Ci g^-1Spin and parity:
(nuclear angular momentum)9/2+Magnetic dipole moment:μ(μ_N) = -1.097(9)Quadrupole moment Q:0.60(6) barn (100 fm²)Nuclear g-factor:g_l = -0.24377777777778

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
⁶⁷Zn		stable	5/2-
^67m1Zn	93.312(5) keV	9.07(14) μs	1/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 37) and isobaric (same nucleon number A = 67) with Zinc-67m2. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 37	Isobar A = 67
19	⁵⁶K
20	⁵⁷Ca
21	⁵⁸Sc
22	⁵⁹Ti
23	⁶⁰V	⁶⁷V
24	⁶¹Cr	⁶⁷Cr
25	⁶²Mn	⁶⁷Mn
26	⁶³Fe	⁶⁷Fe
27	⁶⁴Co	⁶⁷Co
28	⁶⁵Ni	⁶⁷Ni
29	⁶⁶Cu	⁶⁷Cu
30	⁶⁷Zn	⁶⁷Zn
31	⁶⁸Ga	⁶⁷Ga
32	⁶⁹Ge	⁶⁷Ge
33	⁷⁰As	⁶⁷As
34	⁷¹Se	⁶⁷Se
35	⁷²Br	⁶⁷Br
36	⁷³Kr	⁶⁷Kr
37	⁷⁴Rb
38	⁷⁵Sr
39	⁷⁶Y
40	⁷⁷Zr