Zinc-63

Properties and data of the isotope ⁶³Zn.

Contents

General Data

Radioactive Decay

Parent Nuclides

Isotones und Isobares

Literature

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

General data

Name of the isotope:Zinc-63; Zn-63Symbol:⁶³Zn or 6330ZnMass number A:63 (= number of nucleons)Atomic number Z:30 (= number of protons)Neutrons N:33Nucleon pairing (Z - N):even - oddNuclear ratio (N/Z ratio):1.1 (= neutron-proton ratio)Neutron excess (N-Z):3Isotopic mass:62.9332112(17) u (atomic weight of Zinc-63)Nuclide mass:62.9167543 u (calculated nuclear mass without electrons)Mass excess:-62.21337 MeVMass defect:0.587481988 u (per nucleus)Nuclear binding energy:547.23594693 MeV (per nucleus)
8.68628487 MeV (average binding energy per nucleon)Separation energy:S_N = 9.1167(16) MeV (first neutron)
S_P = 6.7149(16) MeV (first proton)Half-life:38.47(5) minDecay constant λ:0.00030029771274584 s^-1Specific activity α:2.916830848503 × 10⁺¹⁸ Bq g^-1
78833266.175776 Ci g^-1Spin and parity:
(nuclear angular momentum)3/2-Magnetic dipole moment:μ(μ_N) = -0.28164(5)Quadrupole moment Q:+ 0.29(3) barn (100 fm²)Nuclear g-factor:g_l = -0.18776Mirror nucleus:Arsenic-63Year of discovery:1937

Radioactive Decay

Half-life T_½ = 38.47(5) min (minutes) respectively 2.3082 × 10³ seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EC/β⁺	⁶³Cu	100 %	3.3664(16) MeV

Parent Nuclides

Direct parent isotope is: ⁶³Ga.

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 33) and isobaric (same nucleon number A = 63) with Zinc-63. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 33	Isobar A = 63
16	⁴⁹S
17	⁵⁰Cl
18	⁵¹Ar
19	⁵²K
20	⁵³Ca
21	⁵⁴Sc	⁶³Sc
22	⁵⁵Ti	⁶³Ti
23	⁵⁶V	⁶³V
24	⁵⁷Cr	⁶³Cr
25	⁵⁸Mn	⁶³Mn
26	⁵⁹Fe	⁶³Fe
27	⁶⁰Co	⁶³Co
28	⁶¹Ni	⁶³Ni
29	⁶²Cu	⁶³Cu
30	⁶³Zn	⁶³Zn
31	⁶⁴Ga	⁶³Ga
32	⁶⁵Ge	⁶³Ge
33	⁶⁶As	⁶³As
34	⁶⁷Se	⁶³Se
35	⁶⁸Br
36	⁶⁹Kr

External data and identifiers

CAS:14833-26-2InChI Key:HCHKCACWOHOZIP-YPZZEJLDSA-NInChI Code:1S/Zn/i1-2SMILES:[63Zn]PubChem:ID 177477Adopted Levels, Gammas:NuDat 63Zn

Literature and References

[1] - A. K. Singh, G. Gangopadhyay, D. Banerjee et al.:
High spin states in ⁶³Zn.
In: Physical Review C, (1998), DOI 10.1103/PhysRevC.57.1617.

[2] - Timothy R. DeGrado, Mukesh K. Pandey, John F. Byrne et al.:
Preparation and Preliminary Evaluation of ⁶³Zn-Zinc Citrate as a Novel PET Imaging Biomarker for Zinc.
In: The Journal of Nuclear Medicine, (2014), DOI 10.2967/jnumed.114.141218.

[3] - Malihe Rostampour, Mohammadreza Aboudzadeh, Mahdi Sadeghi, Saeid Hamidi:
Theoretical assessment of production routes for ⁶³Zn by cyclotron.
In: Journal of Radioanalytical and Nuclear Chemistry, (2016), DOI 10.1007/s10967-015-4675-3.

[4] - Malihe Rostampour et al.:
Experimental study and simulation of ⁶³Zn production via proton induce reaction.
In: Applied Radiation and Isotopes, (2018), DOI 10.1016/j.apradiso.2018.02.005.