Chromium oxytetrafluoride explained

Chromium oxytetrafluoride is the inorganic compound with the formula . It is a purple, volatile, diamagnetic solid. The compound is classified as an oxyfluoride.^{[1] [2]}

Synthesis

It can be prepared by fluorination of chromyl fluoride with krypton difluoride:^[3]

The compound serves as a weak Lewis base with noble gas difluorides.^[4] It also binds fluoride to give the pentafluoride.

References

1. Hope . Eric G. . Jones . Peter J. . Levason . William . Ogden . J. Steven . Tajik . Mahmoud . Turff . Jeremy W. . Characterisation of chromium(VI) oxide tetrafluoride, CrOF4, and caesium pentafluoro-oxochromate(VI) Cs[CrOF5] ]. . 1 January 1985 . 3 . 529–533 . 10.1039/DT9850000529 . 18 July 2024 . en . 1364-5447.
2. Mallela . S. P. . Shreeve . Jean'ne M. . DesMarteau . Darryl D. . Chromium(V) Fluoride and Chromium(VI) Tetrafluoride Oxide . Inorganic Syntheses . January 1992 . 29 . 124–127 . 10.1002/9780470132609.ch29 .
3. 10.1021/ic00233a013 . Synthesis and Characterization of CrF₄O, KrF₂.CrF₄O, and NO⁺CrF₅O^- . 1986 . Christe . Karl O. . Wilson . William W. . Bougon . Roland A. . Inorganic Chemistry . 25 . 13 . 2163–2169 .
4. 10.1002/chem.201902005 . Syntheses, Structures, and Bonding of NGF₂⋅CrOF₄, NGF₂⋅2CrOF₄ (Ng=Kr, Xe), and (CrOF₄)_∞ . 2019 . Mercier . Hélène P. A. . Breddemann . Ulf . Brock . David S. . Bortolus . Mark R. . Schrobilgen . Gary J. . Chemistry – A European Journal . 25 . 52 . 12105–12119 . 31172609 .