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Fluorine-30

Properties and data of the isotope 30F.


Contents

 

Fluorine-30 isotope

Fluorine-30 is a radioisotope of the chemical element fluorine, which has 21 neutrons in its atomic nucleus in addition to the element-specific 9 protons, resulting in a mass number of 30. The very short-lived, only artificially produced, unstable and thus radioactive nuclide has no practical significance; the study of 30F is exclusively for academic purposes.

The neutron-rich nuclide decays to Fluorine-29, releasing a neutron.

The first observation of the neutron-rich unstable isotope was reported in 2024 [1].

See also: list of Fluorine isotopes.

 

General data

Name of the isotope:Fluorine-30; F-30Symbol:30F or 309FMass number A:30 (= number of nucleons)Atomic number Z:9 (= number of protons)Neutrons N:21Isotopic mass:30.05256(54) u (atomic weight of Fluorine-30)Nuclide mass:30.0476228 u (calculated nuclear mass without electrons)Mass excess:48.95932 MeVMass defect:0.199828524 u (per nucleus)Nuclear binding energy:186.13907113 MeV (per nucleus)
6.2046357 MeV (average binding energy per nucleon)
Separation energy:SN = 0.11(79) MeV (first neutron)Half-life:0.96 zsDecay constant λ:7.220283130832 × 10+20 s-1Specific activity α:1.449385402083 × 10+43 Bq g-1
3.917257843468 × 10+32 Ci g-1
Spin and parity:
(nuclear angular momentum)
Year of discovery:2023

 

Radioactive Decay

Half-life T½ = 0.96 zs respectively 9.6 × 10-22 seconds s.

Decay
mode
DaughterProbabilityDecay energyγ energy
(intensity)
n29F100 %

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 21) and isobaric (same nucleon number A = 30) with Fluorine-30. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

ZIsotone N = 21Isobar A = 30
930F30F
1031Ne30Ne
1132Na30Na
1233Mg30Mg
1334Al30Al
1435Si30Si
1536P30P
1637S30S
1738Cl30Cl
1839Ar30Ar
1940K
2041Ca
2142Sc
2243Ti
2344V
2445Cr
2546Mn
2647Fe
2748Co
2849Ni

 

External data and identifiers

SMILES:[30F]Adopted Levels, Gammas:NuDat 30F

 

Literature and References

[1] - J. Kahlbow et al.:
Magicity versus Superfluidity around 28O viewed from the Study of 30F.
In: Physical Review Letters, 133, 082501, (2024), DOI 10.1103/PhysRevLett.133.082501.

 


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Last update: 2024-10-21


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