Dioxidanylium
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Dioxidanylium, which is protonated molecular oxygen, or just protonated oxygen, is an ion with formula HO+
2.
It is formed when hydrogen containing substances combust, and exists in the ionosphere, and in plasmas that contain oxygen and hydrogen.[2] Oxidation by O2 in superacids could be by way of the production of protonated molecular oxygen.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
oxooxidanium | |
Other names
Hydroperoxy cation; Hydridodioxygen(1+); Dioxidenium; dioxidanylium | |
Identifiers | |
3D model (JSmol) |
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ChEBI | |
ChemSpider | |
508 | |
PubChem CID |
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Properties | |
HO2+ | |
Molar mass | 33.005 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is the conjugate acid of dioxygen. The proton affinity of dioxygen (O2) is 4.4 eV.[3]