The osmium(VIII) oxofluoro cations osmium dioxide trifluoride (1) and bis[cis osmium dioxide tetrafluoride]fluorine (2): synthesis, characterization by F-19 NMR spectroscopy and Raman spectroscopy, and X-ray crystal structure of an antimony fluoride dimer complex with (2) and density functional theory calculations of (1), (2) and rhenium dioxide trifluoride. Journal Articles