Cyclopropenylidene
- Formula: C3H2
- Molecular weight: 38.0480
- IUPAC Standard InChI: InChI=1S/C3H2/c1-2-3-1/h1-2H
- IUPAC Standard InChIKey: VVLPCWSYZYKZKR-UHFFFAOYSA-N
- CAS Registry Number: 16165-40-5
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, 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:
LL - Sharon G. Lias and Joel F. Liebman
View reactions leading to C3H2+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 951.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 915.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔfH°(+) ion | 1180. ± 10. | kJ/mol | N/A | N/A |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.15 ± 0.03 | PI | Clauberg, Minsek, et al., 1992 | LL |
References
Go To: Top, 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.
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]
Clauberg, Minsek, et al., 1992
Clauberg, H.; Minsek, D.W.; Chen, P.,
Mass and photoelectron spectroscopy of C3H2. ΔHf of singlet carbenes deviate from additivity by their singlet-triplet gaps,
J. Am. Chem. Soc., 1992, 114, 99. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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