Abstract
Abstract The analysis of 19F NMR spectra of polycrystalline and partially oriented samples of fluorinated graphite (C2F)n intercalated with chlorine trifluoride has been carried out. Molecular mobility results in almost complete averaging of the dipole-dipole interactions of nuclei, while the essential chemical shielding anisotropy (CSA) is manifested. There is suggested molecular rotation about its C2 axes, which in turn rotates about the normal to the graphite plane. The CSA (σ|| − σ⊥) is determined to be 510 and −640 ppm, respectively, for the two inequivalent fluorine atoms of the molecule. The effect of the antiparamagnetic shielding leading to inversion of the chemical shielding tenser [(σ|| − σ⊥)
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