1,3-Dioxetanedione

The chemical compound 1,3-dioxetanedione, or 1,3-dioxacyclobutane-2,4-dione is a hypothetical oxide of carbon with formula C₂O₄. It can be considered a cyclic dimer of carbon dioxide (CO₂) or as a double ketone of 1,3-dioxetane (1,3-dioxacyclobutane).

1,3-Dioxetanedione

Names
Systematic IUPAC name 1,3-Dioxetane-2,4-dione[1]
Identifiers
3D model (JSmol)	Interactive image
PubChem CID	17801328
InChI InChI=1S/C2O4/c3-1-5-2(4)6-1^N Key: IUPJSFOHUQGEDR-UHFFFAOYSA-N^N
SMILES O=C1OC(=O)O1
Properties
Chemical formula	C2O4
Molar mass	88.018 g·mol^−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

Theoretical calculations indicate that the compound would be extremely unstable at room temperature (half-life of less than 1.1 μs); but may be stable at −196 °C.[2]

References

1. "CID 17801328 - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 4 December 2007. Identification and Related Records. Retrieved 7 October 2011.
2. Errol Lewars (1996), Polymers and oligomers of carbon dioxide: ab initio and semiempirical calculations. Journal of Molecular Structure: THEOCHEM, Volume 363, Number 1, pp. 1–15.