Trifluorovinyl radical

Formula: C₂F₃
Molecular weight: 81.0166
IUPAC Standard InChI: InChI=1S/C2F3/c3-1-2(4)5
IUPAC Standard InChIKey: MHNPWFZIRJMRKC-UHFFFAOYSA-N
CAS Registry Number: 4605-17-8
Chemical structure:
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Gas phase ion energetics data

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
B - John E. Bartmess

View reactions leading to C₂F₃⁺ (ion structure unspecified)

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_{(+) ion}	791.	kJ/mol	N/A	N/A

Electron affinity determinations

EA (eV)	Method	Reference	Comment
2.06 ± 0.22	R-A	Spyrou, Sauers, et al., 1983	From C3F8. G3MP2B3 calculations indicate an EA of ca. 2.4 eV, and HOF(A-) of -110 kcal/mol.; B
>1.60001	EIAE	Sauers, Christophorou, et al., 1979	From CF₃CF=CFCF₃. G3MP2B3 calculations indicate an EA of ca. 2.4 eV; B
2.00 ± 0.40	EIAE	Lifshitz and Grajower, 1972	From cyclo-C4F8. G3MP2B3 calculations indicate an EA of ca. 2.4 eV.; B
2.00 ± 0.40	EIAE	Thynne and MacNeil, 1970	From C2F4. G3MP2B3 calculations indicate an EA of ca. 2.4 eV.; B
3.10 ± 0.30	EIAE	Harland and Thynne, 1975	From CF3CHO. G3MP2B3 calculations indicate an EA of ca. 2.4 eV.; B

Ionization energy determinations

IE (eV)	Method	Reference	Comment
10.2	DER	Lias, Bartmess, et al., 1988	LL

References

Go To: Top, Gas phase ion energetics data, Notes

Spyrou, Sauers, et al., 1983
Spyrou, S.M.; Sauers, I.; Christophorou, L.G., Electron attachment to the perfluoroalkanes n-CnF₂n⁺₂ (n = 1-6) and i-C₄F₁₀, J. Chem. Phys., 1983, 78, 7200. [all data]

Sauers, Christophorou, et al., 1979
Sauers, I.; Christophorou, J.G.; Carter, J.G., Electron attachment to perfluorocarbon compounds. III. Fragmentation of aliphatic perfluorocarbons of interest to gaseous dielectrics, J. Chem. Phys., 1979, 71, 3016. [all data]

Lifshitz and Grajower, 1972
Lifshitz, C.; Grajower, R., Dissociative electron capture and dissociative ionization in perfluorocyclobutane, Int. J. Mass Spectrom. Ion Phys., 1972, 10, 25. [all data]

Thynne and MacNeil, 1970
Thynne, J.C.J.; MacNeil, K.A.G., Ionisation of Tetrafluoroethylene by Electron Impact, Int. J. Mass Spectrom. Ion Phys., 1970, 5, 3-4, 329, https://doi.org/10.1016/0020-7381(70)80026-2 . [all data]

Harland and Thynne, 1975
Harland, P.W.; Thynne, J.C.J., Dissociative eElectron cCapture in tTrifluoroacetaldehyde, pentafluoropropionaldehyde, and heptafluorobutyraldehyde, Int. J. Mass Spectrom. Ion Phys., 1975, 18, 73. [all data]

Lias, Bartmess, et al., 1988
Lias, S.G.; Bartmess, J.E.; Liebman, J.F.; Holmes, J.L.; Levin, R.D.; Mallard, W.G., Gas-phase ion and neutral thermochemistry, J. Phys. Chem. Ref. Data, Suppl. 1, 1988, 17, 1-861. [all data]

Notes

Go To: Top, Gas phase ion energetics data, References

Symbols used in this document:

EA Electron affinity
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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