Nickel-63m

Properties and data of the isotope ⁶³Ni.

Content

General data

Name of the isotope:Nickel-63m; Ni-63mSymbol:⁶³Ni or 6328NiMass number A:63 (= number of nucleons)Atomic number Z:28 (= number of protons)Neutrons N:35Isotopic mass:62.9296691(5) u (atomic weight of Nickel-63m)
Excitation energy: 87.15(11) keVNuclide mass:62.9143093 u (calculated nuclear mass without electrons)Mass excess:-65.51281 MeVMass defect:0.59270385600001 u (per nucleus)Nuclear binding energy:552.10008564 MeV (per nucleus)
8.76349342 MeV (average binding energy per nucleon)Half-life:1.67(3) μsDecay constant λ:415058.19195206 s^-1Specific activity α:4.031514350009 × 10⁺²⁷ Bq g^-1
1.089598472975 × 10⁺¹⁷ Ci g^-1Spin and parity:
(nuclear angular momentum)5/2-Magnetic dipole moment:μ(μ_N) = +0.752(3)Nuclear g-factor:g_l = 0.3008

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
⁶³Ni		101.2(15) a	1/2-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 35) and isobaric (same nucleon number A = 63) with Nickel-63m. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 35	Isobar A = 63
18	⁵³Ar
19	⁵⁴K
20	⁵⁵Ca
21	⁵⁶Sc
22	⁵⁷Ti	⁶³Ti
23	⁵⁸V	⁶³V
24	⁵⁹Cr	⁶³Cr
25	⁶⁰Mn	⁶³Mn
26	⁶¹Fe	⁶³Fe
27	⁶²Co	⁶³Co
28	⁶³Ni	⁶³Ni
29	⁶⁴Cu	⁶³Cu
30	⁶⁵Zn	⁶³Zn
31	⁶⁶Ga	⁶³Ga
32	⁶⁷Ge	⁶³Ge
33	⁶⁸As	⁶³As
34	⁶⁹Se	⁶³Se
35	⁷⁰Br
36	⁷¹Kr
37	⁷²Rb
38	⁷³Sr