Abstract
The complex of antimony(III) fluoride with glycine 2SbF3·(C2H5NO2) (I) has been synthesized and investigated by X-ray, and 19F, 1H NMR methods. The structure of I is formed by the molecular SbF3(C2H5NO2)SbF3 groups linked through Sb···F secondary bonds into polymer layers parallel to the (bc) plane. The longer Sb···F bonds (2.674–3.354 Å) and the N–H···F and C–H···F hydrogen bonds link the layers into a three-dimensional framework. The character of ionic motions in fluoride and proton sublattices upon temperature variations in the range 150–435 K has been examined, and their types and temperature ranges, within which they are realized, have been determined. It has been established that ion diffusion in both sublattices of I is observed in the temperature range 400–435 K, and the mechanisms of its emergence are proposed.
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