Chemistry:Carbon tetroxide
From HandWiki
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| Names | |||
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| IUPAC name
C2v isomer:
D2d isomer:
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| Other names
C2v isomer:
D2d isomer:
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| Identifiers | |||
3D model (JSmol)
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PubChem CID
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| Properties | |||
| CO4 | |||
| Molar mass | 76.007 g·mol−1 | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
| Infobox references | |||
Carbon tetroxide or Oxygen carbonate (in its C2v isomer) is a highly unstable oxide of carbon with formula CO4. It was proposed as an intermediate in the O-atom exchange between carbon dioxide (CO2) and oxygen (O2) at high temperatures.[1] The C2v isomer, which is 138 kJ mol−1 more stable than the D2d isomer, was first detected in electron-irradiated ices of carbon dioxide via infrared spectroscopy.[2]
The isovalent carbon tetrasulfide CS4 is also known from inert gas matrix. It has D2d symmetry with the same atomic arrangement as CO4 (D2d).[3]
References
- ↑ Yeung, L. Y.; Okumura, M.; Paci, J. T.; Schatz, G. C.; Zhang, J.; Minton, T. K. (2009). "Hyperthermal O-Atom Exchange Reaction O2 + CO2 through a CO4 Intermediate". Journal of the American Chemical Society 131 (39): 13940–13942. doi:10.1021/ja903944k. PMID 19743846. https://authors.library.caltech.edu/16457/2/ja903944k_si_001.pdf.
- ↑ Jamiesona, Corey S.; Mebelb, Alexander M.; Kaiser, Ralf I. (2007). "Novel Detection of the C2v isomer of carbon tetraoxide (CO4". Chemical Physics Letters 440 (1–3): 105–109. doi:10.1016/j.cplett.2007.04.043. Bibcode: 2007CPL...440..105J.
- ↑ Maity, Surajit; Kim, Y.S.; Kaiser, Ralf I.; Lin, Hong Mao; Sun, Bian Jian; Chang, A.H.H. (July 2013). "On the detection of higher order carbon sulfides (CSx; x=4–6) in low temperature carbon disulfide ices". Chemical Physics Letters 577: 42–47. doi:10.1016/j.cplett.2013.05.039. Bibcode: 2013CPL...577...42M.
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