Ethane, fluoro-
- Formula: C2H5F
- Molecular weight: 48.0595
- IUPAC Standard InChIKey: UHCBBWUQDAVSMS-UHFFFAOYSA-N
- CAS Registry Number: 353-36-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Ethyl fluoride; Fluoroethane; Monofluoroethane; C2H5F; R 161; UN 2453
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Gas phase ion energetics data
Go To: Top, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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:
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
View reactions leading to C2H5F+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 683.4 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 655.8 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.78 | EI | Blanchette, Holmes, et al., 1987 | LBLHLM |
12.4 | PE | Bieri, Asbrink, et al., 1981 | Vertical value; LLK |
12.43 | PE | Hoppilliard and Solgadi, 1980 | Vertical value; LLK |
12.43 | PE | Sauvageau, Doucet, et al., 1974 | Vertical value; LLK |
12.43 | PE | Yamazaki, Katsumata, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C2H4F+ | 12.04 ± 0.03 | H | PI | Williamson, LeBreton, et al., 1976 | LLK |
Ion clustering data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.
Clustering reactions
By formula: Li+ + C2H5F = (Li+ • C2H5F)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 140. | kJ/mol | ICR | Staley and Beauchamp, 1975 | gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated |
Mass spectrum (electron ionization)
Go To: Top, Gas phase ion energetics data, Ion clustering data, Vibrational and/or electronic energy levels, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
NIST MS number | 18890 |
Vibrational and/or electronic energy levels
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), 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: Takehiko Shimanouchi
Symmetry: Cs Symmetry Number σ = 1
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a' | 1 | CH3 d-str | 3003 | D | 3003 VS | gas | 2986 VS dp | liq. | OV(ν12,ν13) | |
a' | 2 | CH2 s-str | 2941 | D | 2941 | gas | 2941 VS p | liq. | ||
a' | 3 | CH3 s-str | 2915 | D | 2915 S | gas | 2921 M | liq. | ||
a' | 4 | CH2 scis | 1479 | C | 1479 M | gas | 1480 W b dp | liq. | ||
a' | 5 | CH3 d-deform | 1449 | D | 1449 S | gas | 1458 M b dp | liq. | OV(ν14) | |
a' | 6 | CH3 s-deform | 1395 | C | 1395 S | gas | 1393 W p | liq. | ||
a' | 7 | CH2 wag | 1365 | D | 1365 M | liq. | 1365 VW | liq. | ||
a' | 8 | CH3 rock | 1108 | C | 1108 VS | gas | 1103 S p | liq. | ||
a' | 9 | CC str | 1048 | D | 1048 VS | gas | 1041 M b dp | liq. | OV(ν16) | |
a' | 10 | CF str | 880 | B | 880 VS | gas | 873 VS p | liq. | ||
a' | 11 | CCF deform | 415 | C | 415 | gas | 419 W p | liq. | ||
a | 12 | CH2 a-str | 3003 | D | 3003 VS | gas | 2986 VS dp | liq. | OV(ν1,ν13) | |
a | 13 | CH3 d-str | 3003 | D | 3003 VS | gas | 2986 VS dp | liq. | OV1,ν12 | |
a | 14 | CH3 d-deform | 1449 | D | 1449 S | gas | 1458 M b dp | liq. | OV(ν5) | |
a | 15 | CH2 twist | 1277 | C | 1277 | gas | 1276 W b dp | liq. | ||
a | 16 | CH3 rock | 1048 | D | 1048 VS | gas | 1041 M b dp | liq. | OV(ν9) | |
a | 17 | CH2 rock | 810 | C | 810 W | gas | 815 VW | |||
a | 18 | Torsion | 243 | B | 243 | gas | ||||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
VW | Very weak |
b | Broad |
p | Polarized |
dp | Depolarized |
OV | Overlapped by band indicated in parentheses. |
B | 1~3 cm-1 uncertainty |
C | 3~6 cm-1 uncertainty |
D | 6~15 cm-1 uncertainty |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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]
Blanchette, Holmes, et al., 1987
Blanchette, M.C.; Holmes, J.L.; Lossing, F.P.,
The ethyl halides: Stable neutral and radical cation isomers [C2, H5, X] where X = F, Cl, Br, I,
Org. Mass Spectrom., 1987, 22, 701. [all data]
Bieri, Asbrink, et al., 1981
Bieri, G.; Asbrink, L.; Von Niessen, W.,
30.4 nm He(II) photoelectron spectra of organic molecules. Part IV. Fluoro-compounds (C,H,F),
J. Electron Spectrosc. Relat. Phenom., 1981, 23, 281. [all data]
Hoppilliard and Solgadi, 1980
Hoppilliard, Y.; Solgadi, D.,
Conformational analysis of 2-haloethanols and 2-methoxyethylhalides in a photoelectron spectrometer,
Tetrahedron, 1980, 36, 377. [all data]
Sauvageau, Doucet, et al., 1974
Sauvageau, P.; Doucet, J.; Gilbert, R.; Sandorfy, C.,
Vacuum ultraviolet and photoelectron spectra of fluoroethanes,
J. Chem. Phys., 1974, 61, 391. [all data]
Yamazaki, Katsumata, et al., 1973
Yamazaki, T.; Katsumata, S.; Kimura, K.,
Photoelectron spectra and orbital assignments by sum rule consideration: ethyl and n-propyl fluorides,
J. Electron Spectrosc. Relat. Phenom., 1973, 2, 335. [all data]
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]
Staley and Beauchamp, 1975
Staley, R.H.; Beauchamp, J.L.,
Intrinsic Acid - Base Properties of Molecules. Binding Energies of Li+ to pi - and n - Donor Bases,
J. Am. Chem. Soc., 1975, 97, 20, 5920, https://doi.org/10.1021/ja00853a050
. [all data]
Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P.,
Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n,
J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013
. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume I, National Bureau of Standards, 1972, 1-160. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References
- Symbols used in this document:
AE Appearance energy ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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