Abstract

The chemical shift anisotropy of H-bonded protons in polycrystalline Cs 2GeF 6·4HF was determined by the analysis of NMR continuous wave spectra narrowed by the HF molecular diffusion in the crystal lattice. High resolution of spectral components was achieved due to “selective averaging” of the intermolecular dipole interaction. The derived value of Δσ H = 39 ± 7 ppm is close to that for bifluoride ion in KHF 2. For 19F Δσ F = 86 ± 4 ppm was determined.

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