Ethyl radical, 1,1-difluoro-
- Formula: C2H3F2
- Molecular weight: 65.0420
- IUPAC Standard InChI: InChI=1S/C2H3F2/c1-2(3)4/h1H3
- IUPAC Standard InChIKey: VXNQJPMCJMJOMN-UHFFFAOYSA-N
- CAS Registry Number: 24314-99-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, NIST Free Links, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C2H3F2+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°(+) ion | 109. | kcal/mol | N/A | N/A |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.92 | PI | Williamson, LeBreton, et al., 1976 | LLK |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, NIST Free Links, 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: Marilyn E. Jacox
State: 3p Ryd
| Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
|---|---|---|---|---|---|---|---|
| To = 43275 ± 40 | U | gas | Brum, Johnson, et al., 1994 | ||||
| Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
|---|---|---|---|---|---|---|---|
| a' | 9 | CF2 wag | 530 | gas | MPI | Brum, Johnson, et al., 1994 | |
Additional references: Jacox, 1998, page 327
Notes
| U | Upper bound |
| o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Williamson, LeBreton, et al., 1976
Williamson, A.D.; LeBreton, P.R.; Beauchamp, J.L.,
Photoionization mass spectrometry of 2-fluoropropane and 2,2-difluoropropane. A novel determination of the proton affinity of vinyl fluoride and 1,1-difluoroethylene,
J. Am. Chem. Soc., 1976, 98, 2705. [all data]
Brum, Johnson, et al., 1994
Brum, J.L.; Johnson, R.D., III; Hudgens, J.W.,
Electronic Spectrum of the .alpha.,.alpha.-Difluoroethyl Radical,
J. Phys. Chem., 1994, 98, 14, 3645, https://doi.org/10.1021/j100065a017
. [all data]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, NIST Free Links, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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