Cyclopropanone
- Formula: C3H4O
- Molecular weight: 56.0633
- IUPAC Standard InChI: InChI=1S/C3H4O/c4-3-1-2-3/h1-2H2
- IUPAC Standard InChIKey: VBBRYJMZLIYUJQ-UHFFFAOYSA-N
- CAS Registry Number: 5009-27-8
- Chemical structure:
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Gas phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 16. ± 4.2 | kJ/mol | Ion | Rodriguez, Chang, et al., 1976 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 33.3 | 50. | Thermodynamics Research Center, 1997 | p=1 bar.; GT |
| 34.0 | 100. | ||
| 38.1 | 150. | ||
| 45.6 | 200. | ||
| 59.4 | 273.15 | ||
| 64.3 | 298.15 | ||
| 64.7 | 300. | ||
| 82.6 | 400. | ||
| 97.3 | 500. | ||
| 108.9 | 600. | ||
| 118.4 | 700. | ||
| 126.4 | 800. | ||
| 133.1 | 900. | ||
| 138.8 | 1000. | ||
| 143.7 | 1100. | ||
| 147.9 | 1200. | ||
| 151.6 | 1300. | ||
| 154.8 | 1400. | ||
| 157.5 | 1500. |
Gas phase ion energetics 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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C3H4O+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 9.1 ± 0.1 | EI | Rothgery, Holt, et al., 1975 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C2H2O+ | 9.9 ± 0.1 | ? | EI | Rothgery, Holt, et al., 1975 | |
| C2H4+ | 10.2 ± 0.1 | ? | EI | Rothgery, Holt, et al., 1975 |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rodriguez, Chang, et al., 1976
Rodriguez, H.J.; Chang, J.-C.; Thomas, T.F.,
Thermal, photochemical, and photophysical processes in cyclopropanone vapor,
J. Am. Chem. Soc., 1976, 98, 2027-2034. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Rothgery, Holt, et al., 1975
Rothgery, E.F.; Holt, J.; McGee, H.A., Jr.,
Cryochemical synthesis and molecular energetics of cyclopropanone and some related compounds,
J. Am. Chem. Soc., 1975, 97, 4971. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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