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Oxygen-17

Properties and data of the isotope 17O.

 

See also: list of Oxygen isotopes.

 

General data

Name of the isotope:Oxygen-17; O-17Symbol:17OMass number A:17Atomic number Z:8 (= number of protons)Neutrons N:9Isotopic mass:16.999131757(5) u (atomic weight of Oxygen-17)Nuclide mass:16.9947431 u (calculated nuclear mass without electrons)Mass excess:-0.80876 MeVMass defect:0.141452743 u (per nucleus)Nuclear binding energy:131.76238139 MeV (per nucleus)
7.75072832 MeV (average binding energy per nucleon)
Separation energy:SN = 4.14308(0) MeV (first neutron)
SP = 13.7816(23) MeV (first proton)
Half-life:stableSpin and parity:5/2+isobaric spin: 1/2Charge radius:2.6932(75) femtometer fmYear of discovery:1925

 

Parent Nuclides

Direct parent isotopes are: 17N, 17F.

 

Occurrence

Comparison of the natural Sauerstoff isotopes including isotopic abundance (proportion of the isotope mixture):

 

Atomic Mass maQuantityHalf-lifeSpin
Sauerstoff
Isotopic mixture
15,999 u100 %
Isotope 16O15,994914620(2) u99,757 %stable0+
Isotope 17O16,999131757(5) u0,0383 %stable5/2+
Isotope 18O17,999159613(6) u0,2045 %stable0+

 

NMR data

17O belongs to the NMR active Nuclides.

Isotope:17O-NMRQuantity:0,0383 % [0,0367 - 0,0400 %]Spin:5/2+Nuclearmagnetic moment
μ/μN:
-1,893543(10)Gyromagnetic ratio
107 rad T-1 s-1:
- 3,6279Quadrupole moment
Q fm-2:
- 2,558(22)Resonance frequency
v0 at 1 T:
5,7742Relative Sensitivity:0,02910 (H0 = const.)
1,5822 (v0 = const.)
[related to 1H = 1,000]

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 9) and isobaric (same nucleon number A = 17) with Oxygen-17. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 9Isobar A = 17
312Li
413Be
514B17B
615C17C
716N17N
817O17O
918F17F
1019Ne17Ne
1120Na
1221Mg
1322Al
1423Si
1524P

 

External data and identifiers

Adopted Levels, Gammas:NuDat 17O

 


Category: Isotopes

Last update: 11.10.2020



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