Cyanoketene
- Formula: C3HNO
- Molecular weight: 67.0461
- IUPAC Standard InChI: InChI=1S/C3HNO/c4-2-1-3-5/h1H
- IUPAC Standard InChIKey: JVTCKUMKUIZLIA-UHFFFAOYSA-N
- CAS Registry Number: 4452-08-8
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 100. ± 20. | kJ/mol | Ion | Holmes, Mayer, et al., 1993 |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 784. | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 751.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.07 | PE | Bock, Hirabayashi, et al., 1981 | Vertical value; LLK |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Holmes, Mayer, et al., 1993
Holmes, J.L.; Mayer, P.M.; Vasseur, M.; Burgers, P.C.,
The effect of cyano substitution on the heats of formation of organic ions and neutrals,
J. Phys. Chem., 1993, 97, 4865-4870. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Bock, Hirabayashi, et al., 1981
Bock, H.; Hirabayashi, T.; Mohmand, S.,
Thermische erzeugung von alkyl- und halogenketenen,
Chem. Ber., 1981, 114, 2595. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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