Nickel-64

Properties and data of the isotope ⁶⁴Ni.

Content

General data

Name of the isotope:Nickel-64; Ni-64Symbol:⁶⁴Ni or 6428NiMass number A:64 (= number of nucleons)Atomic number Z:28 (= number of protons)Neutrons N:36Isotopic mass:63.927967(4) u (atomic weight of Nickel-64)Nuclide mass:63.9126072 u (calculated nuclear mass without electrons)Mass excess:-67.09831 MeVMass defect:0.60307087200001 u (per nucleus)Nuclear binding energy:561.75689884 MeV (per nucleus)
8.77745154 MeV (average binding energy per nucleon)Separation energy:S_N = 9.65746(20) MeV (first neutron)
S_P = 12.536(19) MeV (first proton)Half-life:stableSpin and parity:
(nuclear angular momentum)0+Charge radius:3.8572(23) femtometer fmYear of discovery:1935

Parent Nuclides

Direct parent isotopes are: ⁶⁴Co, ⁶⁴Cu.

Occurrence

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

	Atomic Mass m_a	Quantity	Half-life	Spin
Nickel Isotopic mixture	58.6934 u	100 %
Isotope ⁵⁸Ni	57.935342(3) u	68.0769(190) %	stable	0+
Isotope ⁶⁰Ni	59.930786(3) u	26.2231(150) %	stable	0+
Isotope ⁶¹Ni	60.931056(3) u	1.1399(13) %	stable	3/2-
Isotope ⁶²Ni	61.928345(4) u	3.6345(40) %	stable	0+
Isotope ⁶⁴Ni	63.927967(4) u	0.9256(19) %	stable	0+

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 36) and isobaric (same nucleon number A = 64) with Nickel-64. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 36	Isobar A = 64
19	⁵⁵K
20	⁵⁶Ca
21	⁵⁷Sc
22	⁵⁸Ti
23	⁵⁹V	⁶⁴V
24	⁶⁰Cr	⁶⁴Cr
25	⁶¹Mn	⁶⁴Mn
26	⁶²Fe	⁶⁴Fe
27	⁶³Co	⁶⁴Co
28	⁶⁴Ni	⁶⁴Ni
29	⁶⁵Cu	⁶⁴Cu
30	⁶⁶Zn	⁶⁴Zn
31	⁶⁷Ga	⁶⁴Ga
32	⁶⁸Ge	⁶⁴Ge
33	⁶⁹As	⁶⁴As
34	⁷⁰Se	⁶⁴Se
35	⁷¹Br
36	⁷²Kr
37	⁷³Rb
38	⁷⁴Sr