Xenon trioxide
Chemical compound / From Wikipedia, the free encyclopedia
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Xenon trioxide is an unstable compound of xenon in its +6 oxidation state. It is a very powerful oxidizing agent, and liberates oxygen from water slowly, accelerated by exposure to sunlight. It is dangerously explosive upon contact with organic materials. When it detonates, it releases xenon and oxygen gas.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC names
Xenon trioxide Xenon(VI) oxide | |
Other names
Xenic anhydride | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
XeO3 | |
Molar mass | 179.288 g/mol |
Appearance | colourless crystalline solid |
Density | 4.55 g/cm3, solid |
Melting point | 25 °C (77 °F; 298 K) Violent decomposition |
Soluble (with reaction) | |
Structure | |
trigonal pyramidal (C3v) | |
Thermochemistry | |
Std enthalpy of formation (ΔfH⦵298) |
402 kJ·mol−1[1] |
Hazards | |
NFPA 704 (fire diamond) | |
Related compounds | |
Related compounds |
Xenon tetroxide Xenic acid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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