The
chemical
A chemical substance is a unique form of matter with constant chemical composition and characteristic properties. Chemical substances may take the form of a single element or chemical compounds. If two or more chemical substances can be combin ...
compound
Compound may refer to:
Architecture and built environments
* Compound (enclosure), a cluster of buildings having a shared purpose, usually inside a fence or wall
** Compound (fortification), a version of the above fortified with defensive struc ...
1,3-dioxetanedione, or 1,3-dioxacyclobutane-2,4-dione, also known as
dicarbonic anhydride, is a hypothetical
oxide of carbon with formula C
2O
4. It can be considered a cyclic
dimer
Dimer may refer to:
* Dimer (chemistry), a chemical structure formed from two similar sub-units
** Protein dimer, a protein quaternary structure
** d-dimer
** TH-dimer
* Dimer model, an item in statistical mechanics, based on ''domino tiling''
* ...
of
carbon dioxide
Carbon dioxide is a chemical compound with the chemical formula . It is made up of molecules that each have one carbon atom covalent bond, covalently double bonded to two oxygen atoms. It is found in a gas state at room temperature and at norma ...
(CO
2) or as a double
ketone
In organic chemistry, a ketone is an organic compound with the structure , where R and R' can be a variety of carbon-containing substituents. Ketones contain a carbonyl group (a carbon-oxygen double bond C=O). The simplest ketone is acetone ( ...
of
1,3-dioxetane
1,3-Dioxetane (1,3-dioxacyclobutane) is a heterocyclic organic compound with formula C2O2H4, whose backbone is a four-member ring of alternating oxygen and carbon atoms. It can be viewed as a dimer of formaldehyde
Formaldehyde ( , ) (system ...
(1,3-dioxacyclobutane).
Theoretical calculations indicate that the compound would be extremely unstable at room temperature (half-life of less than 1.1
μs
A microsecond is a unit of time in the International System of Units (SI) equal to one millionth (0.000001 or 10−6 or ) of a second. Its symbol is μs, sometimes simplified to us when Unicode is not available.
A microsecond is to one second, ...
) but may be stable at −196 °C.
[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.]
References
Oxocarbons
Dioxetanes
Hypothetical chemical compounds
{{Hyp-chem-compound-stub