Chromium oxytetrafluoride is the inorganic compound with the formula CrOF4. It is a purple, volatile, diamagnetic solid. The compound is classified as an oxyfluoride. It can be prepared by fluorination of chromyl fluoride with krypton difluoride:[1]
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| Names | |
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| Other names
Chromium fluoride oxide, chromium oxide tetrafluoride, chromium tetrafluoride oxide
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| Identifiers | |
3D model (JSmol)
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| Properties | |
| Appearance | purple solid |
| Melting point | 55 °C (131 °F; 328 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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- CrO2F2 + KrF2 → CrOF4 + 0.5 O2 + Kr
The compound serves as a weak Lewis base with noble gas difluorides.[2] It also binds fluoride to give the pentafluoride.
References edit
- ^ Christe, Karl O.; Wilson, William W.; Bougon, Roland A. (1986). "Synthesis and Characterization of CrF4O, KrF2.CrF4O, and NO+CrF5O-". Inorganic Chemistry. 25 (13): 2163–2169. doi:10.1021/ic00233a013.
- ^ Mercier, Hélène P. A.; Breddemann, Ulf; Brock, David S.; Bortolus, Mark R.; Schrobilgen, Gary J. (2019). "Syntheses, Structures, and Bonding of NGF2⋅CrOF4, NGF2⋅2CrOF4 (Ng=Kr, Xe), and (CrOF4)∞". Chemistry – A European Journal. 25 (52): 12105–12119. doi:10.1002/chem.201902005. PMID 31172609.