- Formula: C3O2
- Molecular weight: 68.0309
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: GNEVIACKFGQMHB-UHFFFAOYSA-N
- CAS Registry Number: 504-64-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Carbon suboxide; Carbon oxide (C3O2); C3O2
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
|vapH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|26.2||234.||A||Stephenson and Malanowski, 1987||Based on data from 161. - 249. K. See also McDougall and Kilpatrick, 1965.; AC|
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
|160.96 - 248.78||4.5833||1207.884||-14.911||McDougall and Kilpatrick, 1965, 2||Coefficents calculated by NIST from author's data.|
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Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]
McDougall and Kilpatrick, 1965
McDougall, Lee A.; Kilpatrick, John E., Entropy and Related Thermodynamic Properties of Carbon Suboxide, J. Chem. Phys., 1965, 42, 7, 2311, https://doi.org/10.1063/1.1696294 . [all data]
McDougall and Kilpatrick, 1965, 2
McDougall, L.A.; Kilpatrick, J.E., Entropy and Related Thermodynamic Properties of Carbon Suboxide, J. Chem. Phys., 1965, 42, 7, 2311-2321, https://doi.org/10.1063/1.1696294 . [all data]
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- Symbols used in this document:
vapH Enthalpy of vaporization
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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