Methyloxoniumhexafluorometallate – Synthese,spektroskopische Charakterisierung sowie die Kristallstruktur von H3COH2+AsF6–

Methyloxoniumhexafluorometallates – Synthesis, Spectroscopic Characterization and Crystal Structure of H₃COH₂⁺AsF₆^– Up to now the protonation of methanol as a hydrogen bridged dimethanolium ion [H(CH₃OH)₂]⁺ was observed by different X-ray crystal structure studies. Now the preparation of H₃COH₂⁺MF₆^– in super acid media HF/MF₅ (M = As, Sb) is reported. The thermolabile and moisture sensitive salts are characterized by vibrational and NMR spectroscopy. H₃COH₂⁺AsF₆^– crystallizes in the monoclinic space group P2₁/m (No. 11) with a = 487.8(1), b = 714.0(2), c = 848.2(2) pm, β = 98.03°(2) with 2 formula units per unit cell.