Fluoromethyl radical
- Formula: CH2F
- Molecular weight: 33.0250
- IUPAC Standard InChIKey: VUWZPRWSIVNGKG-UHFFFAOYSA-N
- CAS Registry Number: 3744-29-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Reaction 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: José A. Martinho Simões
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
C6H2FMnO5 (g) = C5MnO5 (g) + (g)
By formula: C6H2FMnO5 (g) = C5MnO5 (g) + CH2F (g)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 139. ± 15. | kJ/mol | PIMS | Martinho Simões and Beauchamp, 1990 | The reaction enthalpy was derived from the appearance energy of Mn(CO)5(+), 887.7 ± 4.8 kJ/mol, using Mn(CO)5(CH2F) as the neutral precursor, together with the adiabatic ionization energy of Mn(CO)5 radical, 749. ± 14. kJ/mol Martinho Simões and Beauchamp, 1990 |
Gas phase ion energetics data
Go To: Top, Reaction 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 as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to CH2F+ (ion structure unspecified)
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.25 ± 0.18 | D-EA | Graul and Squires, 1990 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.04 ± 0.01 | PE | Andrews, Dyke, et al., 1984 | LBLHLM |
8.90 | PE | Aue and Bowers, 1979 | LLK |
9.16 ± 0.02 | DER | Reinke, Kraessig, et al., 1973 | LLK |
8.90 | EI | Lossing, 1972 | LLK |
9.35 | EI | Lossing, Kebarle, et al., 1959 | RDSH |
9.22 ± 0.01 | PE | Andrews, Dyke, et al., 1984 | Vertical value; LBLHLM |
References
Go To: Top, Reaction 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.
Martinho Simões and Beauchamp, 1990
Martinho Simões, J.A.; Beauchamp, J.L.,
Chem. Rev., 1990, 90, 629. [all data]
Graul and Squires, 1990
Graul, S.T.; Squires, R.R.,
Gas-Phase Acidities Derived from Threshold Energies for Activated Reactions,
J. Am. Chem. Soc., 1990, 112, 7, 2517, https://doi.org/10.1021/ja00163a007
. [all data]
Andrews, Dyke, et al., 1984
Andrews, L.; Dyke, J.M.; Jonathan, N.; Keddar, N.; Morris, A.; Ridha, A.,
A photoelectron spectroscopic study of the ground states of CH2F+ and CD2F+,
J. Phys. Chem., 1984, 88, 2364. [all data]
Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T.,
Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements
in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]
Reinke, Kraessig, et al., 1973
Reinke, D.; Kraessig, R.; Baumgartel, H.,
Photoreactions of small organic molecules,
Z. Naturforsch. A:, 1973, 28, 1021. [all data]
Lossing, 1972
Lossing, F.P.,
Free radicals by mass spectrometry. XLIV. Ionization potentials bond dissociation energies for chloro-and fluoromethyl radicals,
Bull. Soc. Chim. Belg., 1972, 81, 125. [all data]
Lossing, Kebarle, et al., 1959
Lossing, F.P.; Kebarle, P.; DeSousa, J.B.,
Ionization potentials of alkyl and halogenated alkyl free radicals, 1959. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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