Ethyl ether
- Formula: C4H10O
- Molecular weight: 74.1216
- IUPAC Standard InChIKey: RTZKZFJDLAIYFH-UHFFFAOYSA-N
- CAS Registry Number: 60-29-7
- 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: Ethane, 1,1'-oxybis-; Anaesthetic ether; Anesthesia ether; Anesthetic ether; Diethyl ether; Diethyl oxide; Ethoxyethane; Pronarcol; Solvent ether; 1,1'-Oxybisethane; (C2H5)2O; Aether; Diaethylaether; Dwuetylowy eter; Etere etilico; Ether ethylique; Ether, ethyl; Ethyl ether, tech.; Ethyl oxide; Oxyde d'ethyle; Rcra waste number U117; UN 1155; 3-Oxapentane; Ether; Ethyl ether anhydrous A.C.S.; Sulfuric ether; NSC 100036
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Gas phase ion energetics data
Go To: Top, 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
L - 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.51 ± 0.03 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 828.4 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 801. | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.52 ± 0.07 | EI | Bowen and Maccoll, 1984 | LBLHLM |
9.60 ± 0.01 | PI | Botter, Pechine, et al., 1977 | LLK |
9.41 | PE | Behan, Dean, et al., 1976 | LLK |
9.50 ± 0.01 | PE | Cocksey, Eland, et al., 1971 | LLK |
9.51 | PE | Dewar and Worley, 1969 | RDSH |
9.53 ± 0.02 | PI | Watanabe, 1957 | RDSH |
9.61 | PE | Ohno, Imai, et al., 1985 | Vertical value; LBLHLM |
9.66 | PE | Aue and Bowers, 1979 | Vertical value; LLK |
9.59 | PE | Benoit and Harrison, 1977 | Vertical value; LLK |
9.701 | PE | Aue, Webb, et al., 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3O+ | 12.28 ± 0.05 | C2H4+CH3 | EI | Selim and Helal, 1981 | LLK |
CH3O+ | 11.92 | ? | EI | Holmes, Rye, et al., 1979 | LLK |
CH3O+ | 12.1 | ? | EI | Harrison, Ivko, et al., 1966 | RDSH |
C2H5+ | 12.0 ± 0.1 | ? | EI | Williams and Hamill, 1968 | RDSH |
C2H5O+ | 11.85 | C2H5 | EI | Lossing, 1977 | LLK |
C2H5O+ | 11.83 | C2H5 | EI | Phillips, Russell, et al., 1975 | LLK |
C2H5O+ | 11.8 | C2H5 | EI | Harrison, Ivko, et al., 1966 | RDSH |
C3H5+ | 11.6 | ? | EI | Tsang and Harrison, 1970 | RDSH |
C3H7O+ | 10.26 ± 0.08 | CH3 | EI | Bowen and Maccoll, 1984 | LBLHLM |
C3H7O+ | 10.26 | CH3 | EI | Lossing, 1977 | LLK |
C3H7O+ | 10.3 | CH3 | EI | Harrison, Ivko, et al., 1966 | RDSH |
References
Go To: Top, 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.
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]
Bowen and Maccoll, 1984
Bowen, R.D.; Maccoll, A.,
Low energy, low temperature mass spectra,
Org. Mass Spectrom., 1984, 19, 379. [all data]
Botter, Pechine, et al., 1977
Botter, R.; Pechine, J.M.; Rosenstock, H.M.,
Photoionization of dimethyl ether and diethyl ether,
Int. J. Mass Spectrom. Ion Phys., 1977, 25, 7. [all data]
Behan, Dean, et al., 1976
Behan, J.M.; Dean, F.M.; Johnstone, R.A.W.,
Photoelectron spectra of cyclic aromatic ethers. The question of the Mills-Nixon effect,
Tetrahedron, 1976, 32, 167. [all data]
Cocksey, Eland, et al., 1971
Cocksey, B.J.; Eland, J.H.D.; Danby, C.J.,
The effect of alkyl substitution on ionisation potential,
J. Chem. Soc., 1971, (B), 790. [all data]
Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D.,
Photoelectron spectra of molecules. I. Ionization potentials of some organic molecules and their interpretation,
J. Chem. Phys., 1969, 50, 654. [all data]
Watanabe, 1957
Watanabe, K.,
Ionization potentials of some molecules,
J. Chem. Phys., 1957, 26, 542. [all data]
Ohno, Imai, et al., 1985
Ohno, K.; Imai, K.; Harada, Y.,
Variations in reactivity of lone-pair electrons due to intramolecular hydrogen bonding as observed by penning ionization electron spectroscopy,
J. Am. Chem. Soc., 1985, 107, 8078. [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]
Benoit and Harrison, 1977
Benoit, F.M.; Harrison, A.G.,
Predictive value of proton affinity. Ionization energy correlations involving oxygenated molecules,
J. Am. Chem. Soc., 1977, 99, 3980. [all data]
Aue, Webb, et al., 1975
Aue, D.H.; Webb, H.M.; Bowers, M.T.,
Proton affinities, ionization potentials, and hydrogen affinities of nitrogen and oxygen bases. Hybridization effects,
J. Am. Chem. Soc., 1975, 97, 4137. [all data]
Selim and Helal, 1981
Selim, E.T.M.; Helal, A.I.,
Heat of formation of CH2=OH+ fragment ion,
Indian J. Pure Appl. Phys., 1981, 19, 977. [all data]
Holmes, Rye, et al., 1979
Holmes, J.L.; Rye, R.T.B.; Terlouw, J.K.,
On the loss of ethylene from [C3H7O]+ ions of structure CH3CH2CHOH,
Org. Mass Spectrom., 1979, 14, 606. [all data]
Harrison, Ivko, et al., 1966
Harrison, A.G.; Ivko, A.; Van Raalte, D.,
Energetics of formation of some oxygenated ions and the proton affinities of carbonyl compounds,
Can. J. Chem., 1966, 44, 1625. [all data]
Williams and Hamill, 1968
Williams, J.M.; Hamill, W.H.,
Ionization potentials of molecules and free radicals and appearance potentials by electron impact in the mass spectrometer,
J. Chem. Phys., 1968, 49, 4467. [all data]
Lossing, 1977
Lossing, F.P.,
Heats of formation of some isomeric [CnH2n+1]+ ions. Substitutional effects on ion stability,
J. Am. Chem. Soc., 1977, 99, 7526. [all data]
Phillips, Russell, et al., 1975
Phillips, G.R.; Russell, M.E.; Solka, B.H.,
The structure of the [C2H5O]+ ion in the mass spectrum of diethyl ether,
Org. Mass Spectrom., 1975, 10, 819. [all data]
Tsang and Harrison, 1970
Tsang, C.W.; Harrison, A.G.,
Four-centred rearrangements in the mass spectra of aliphatic ethers,
Org. Mass Spectrom., 1970, 3, 647. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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