Abstract

Abstract The 13C CP-MAS NMR spectra of two Hofmann-type clathrates, diamagnetic Cd(NH3)2Ni (CN)4·2C6H6 and paramagnetic Ni (NH3)2-Ni (CN)4·2C6H6, were analyzed. The guest benzene gives a singlet spectral line in the diamagnetic host and a doublet in the paramagnetic one. The doublet is due to the paramagnetic anisotropy at the crystallographically-independent two carbon atoms in the crystal structure.

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