Zinc-67m1

Properties and data of the isotope ⁶⁷Zn.

Content

General data

Name of the isotope:Zinc-67m1; Zn-67m1Symbol:⁶⁷Zn or 6730ZnMass 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-67m1)
Excitation energy: 93.312(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:9.07(14) μsDecay constant λ:76421.960370446 s^-1Specific activity α:6.973088032474 × 10⁺²⁶ Bq g^-1
1.884618387155 × 10⁺¹⁶ Ci g^-1Spin and parity:
(nuclear angular momentum)1/2-Magnetic dipole moment:μ(μ_N) = +0.587(11)Nuclear g-factor:g_l = 1.174

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-
^67m2Zn	604.48(5) keV	333(14) ns	9/2+

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-67m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	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