Abstract
It is established that krypton difluoride (KrF2) interacts with metallic gold in anhydrous hydrogen fluoride (HF) in the presence of alkaline and alkaline-earth metal fluorides with the formation of complex hexafluoroaurates with the general formula MIAuVF6 (MI = Li, Na, K, Rb, Cs) and bis-hexafluoroaurates MII(AuVF6)2 (MII = Mg, Ca, Sr, Ba). As a result of the subsequent interaction of bis-hexafluoroaurates with krypton difluoride, new coordination compounds with the composition MII(AuVF6)2 · nKrF2 (MII = Ca, Sr, Ba; n = 0–4) were synthesized. The Raman spectra were studied and a comparative analysis of the Raman spectra of the obtained compounds was performed. The possible variants of the structural transformation of the AuF6− anions in compounds and the position and character of the chemical bond of the “guest” (KrF2) in these compounds are discussed.
Published Version
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