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Gas-phase 21 Ne NMR studies and the nuclear magnetic dipole moment of neon-21
Włodzimierz Makulski1, Piotr Garbacz1
1Laboratory of NMR Spectroscopy, Faculty of Chemistry, University of Warsaw, Warszawa, Poland.
Abstract:
Gas-phase 21 Ne nuclear magnetic resonance spectra were measured at the natural abundance of 21 Ne isotope for samples consisting of pressurized neon up to 60 bar at room temperature and applying the magnetic field of the strength B0 = 11.7574 T. It showed that the nuclear magnetic resonance frequency is linearly dependent on the density of gaseous neon. The resonance frequency was extrapolated to the zero-density point, and it permitted the determination of the 21 Ne nuclear magnetic moment, μ(21 Ne) = 0.6617774(10) μN . The present value of μ(21 Ne) is not influenced by the bulk magnetic susceptibility of neon and interactions between neon atoms; therefore, it is more precise and reliable than the previous result obtained for μ(21 Ne).
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