3D model (JSmol)
|Molar mass||223.23 g/mol|
|Density||3.17 g/cm3, liquid|
|Melting point||−46.2 °C (−51.2 °F; 227.0 K)|
|Reacts with water|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Xenon oxytetrafluoride (XeOF
4) is an inorganic chemical compound. It is a colorless stable liquid with a melting point of −46.2 °C (−51.2 °F; 227.0 K) that can be synthesized by partial hydrolysis of XeF
6, or the reaction of XeF
6 with silica or NaNO
A high-yield synthesis proceeds by the reaction of XeF
6 with POF
3 at −196 °C (−320.8 °F; 77.1 K).
As are most xenon oxides, it is extremely reactive and unstable, and hydrolyses in water to give dangerously hazardous and corrosive products, including hydrogen fluoride:
In addition, some ozone and fluorine is formed.
4 reacts with H
2O in the following steps:
3 formed is a dangerous explosive, decomposing explosively to Xe and O
In its liquid form, XeOF
4 exhibits amphoteric behaviour, forming complexes with both strong Lewis bases like CsF and strong Lewis acids like SbF
5. It forms a 1:1 adduct with XeF
2, isostructural with XeF
5, as well as various heavy alkali metal fluorides.
The reaction of XeOF
4 with XeO
3 provides a convenient synthesis route for XeO