Synthese von [SiW11O39MF]5– (M = Zr,Hf) – den ersten Heteropolyoxowolframaten mit terminal gebundenem Fluor

Synthesis of [SiW₁₁O₃₉MF]^5– (M = Zr, Hf) – the First Heteropolyoxotungstates with Terminal Bonded Fluorine The reaction of metal fluorides of Group 4 with lacunar [α-SiW₁₁O₃₉]^8– resulted in the formation of metal fluorides containing inorganic clusters. In the case of titanium all metal fluorine bonds are cleaved, while the corresponding reaction of zirconium and hafnium, respectively gave compounds having one metal fluorine bond. The new compounds contain an additional active NMR probe.