HCF radical anion
- Formula: CHF-
- Molecular weight: 32.0176
- CAS Registry Number: 71267-42-0
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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 by: John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 21.7 ± 3.0 | kcal/mol | R-EA | Gilles, Ervin, et al., 1992 | Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet |
| ΔfH°gas | <27.70 | kcal/mol | IMRB | Dawson and Jennings, 1976 | O- + CH3F ->. |
Reaction thermochemistry 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 compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
CHF- + = CH2F
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 398.6 ± 1.5 | kcal/mol | G+TS | Born, Ingemann, et al., 1994 | gas phase; Between EtNH2 and Me2NH |
| ΔrH° | 394.3 ± 5.2 | kcal/mol | D-EA | Gilles, Ervin, et al., 1992 | gas phase; Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 390.5 ± 1.4 | kcal/mol | IMRB | Born, Ingemann, et al., 1994 | gas phase; Between EtNH2 and Me2NH |
| ΔrG° | 386.2 ± 5.3 | kcal/mol | H-TS | Gilles, Ervin, et al., 1992 | gas phase; Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gilles, Ervin, et al., 1992
Gilles, M.K.; Ervin, K.M.; Ho, J.; Lineberger, W.C.,
Negative Ion Photoelectron Spectroscopy of HCF-, HCCl-, HCBr-, and HCI- - Photoelectron Angular Distributions and Neutral Triplet Excitation,
J. Phys. Chem., 1992, 96, 3, 1130, https://doi.org/10.1021/j100182a021
. [all data]
Dawson and Jennings, 1976
Dawson, J.H.J.; Jennings, K.R.,
Production of gas phase radical anions by reaction of O-. Ions with organic substrates,
J. Chem. Soc. Faraday Trans. 2, 1976, 72, 700. [all data]
Born, Ingemann, et al., 1994
Born, M.; Ingemann, S.; Nibbering, N.M.M.,
Heats of formation of mono-halogen-substituted carbenes. Stability and reactivity of CHX(center dot-) (X=F, Cl, Pr, and I) radical anions,
J. Am. Chem. Soc., 1994, 116, 16, 7210, https://doi.org/10.1021/ja00095a025
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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