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'Carbon trioxide' (CO₃) is an unstable product of reactions between carbon dioxide, CO₂, and atomic oxygen, O.[1] It is different from the carbonate ion (CO₃^2-). It has also been detected in reactions between carbon monoxide, CO, and molecular oxygen, O₂. Among other places it has been shown to be created in the drift zone of a negative corona discharge.[2] This pathway arises from reactions between carbon dioxide and atomic oxygen ions, created from molecular oxygen by free electrons in the plasma.

Three possible isomers of carbon trioxide exist, denoted ''C_s'', ''D_3h'', and ''C_2v''. The ''C_2v'' state has been shown by various studies to be the ground state of the molecule.[3]

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References

References

★ Electronic structure and spectroscopy of carbon trioxide

★ A theoretical study of the structure and properties of carbon trioxide, Sabin J. R., Kim H., , , Chemical Physics Letters, 1971

★ , Sobek V., Skalný J. D., , , Czechoslovak Journal of Physics, 1993

★ The structure of carbon trioxide, Pople J. A. , Seeger U., Seeger R., Schleyer P. v. R., , , Journal of Computational Chemistry, 2004

★ Carbon Trioxide: Its Production, Infrared Spectrum, and Structure Studied in a Matrix of Solid CO₂, Moll N. G., Clutter D. R., Thompson W. E., , , The Journal of Chemical Physics, 1966

★ Geometry and Electronic Structure of Carbon Trioxide, Gimarc B. M., Chou T. S., , , The Journal of Chemical Physics, 1968

★ Formation of carbon trioxide in the photolysis of ozone in liquid carbon dioxide, DeMore W. B., Jacobsen C. W., , , Journal of Physical Chemistry, 1969

★ Pressure dependence of carbon trioxide formation in the gas-phase reaction of O(1D) with carbon dioxide, DeMore W. B., Dede C., , , Journal of Physical Chemistry, 1970

★ A theoretical study of the force field for carbon trioxide, Francisco J. S., Williams I. H., , , Chemical Physics, 1985