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Ethyl ether

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Gas phase ion energetics data

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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 - E.P. Hunter and S.G. Lias
L - S.G. Lias

Data compiled as indicated in comments:
LBLHLM - S.G. Lias, J.E. Bartmess, J.F. Liebman, J.L. Holmes, R.D. Levin, and W.G. Mallard
LLK - S.G. Lias, R.D. Levin, and S.A. Kafafi
RDSH - H.M. Rosenstock, K. Draxl, B.W. Steiner, and J.T. Herron

Quantity Value Units Method Reference Comment
IE (evaluated)9.51 ± 0.03eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)828.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity801.kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.52 ± 0.07EIBowen and Maccoll, 1984LBLHLM
9.60 ± 0.01PIBotter, Pechine, et al., 1977LLK
9.41PEBehan, Dean, et al., 1976LLK
9.50 ± 0.01PECocksey, Eland, et al., 1971LLK
9.51PEDewar and Worley, 1969RDSH
9.53 ± 0.02PIWatanabe, 1957RDSH
9.61PEOhno, Imai, et al., 1985Vertical value; LBLHLM
9.66PEAue and Bowers, 1979Vertical value; LLK
9.59PEBenoit and Harrison, 1977Vertical value; LLK
9.701PEAue, Webb, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3O+12.28 ± 0.05C2H4+CH3EISelim and Helal, 1981LLK
CH3O+11.92?EIHolmes, Rye, et al., 1979LLK
CH3O+12.1?EIHarrison, Ivko, et al., 1966RDSH
C2H5+12.0 ± 0.1?EIWilliams and Hamill, 1968RDSH
C2H5O+11.85C2H5EILossing, 1977LLK
C2H5O+11.83C2H5EIPhillips, Russell, et al., 1975LLK
C2H5O+11.8C2H5EIHarrison, Ivko, et al., 1966RDSH
C3H5+11.6?EITsang and Harrison, 1970RDSH
C3H7O+10.26 ± 0.08CH3EIBowen and Maccoll, 1984LBLHLM
C3H7O+10.26CH3EILossing, 1977LLK
C3H7O+10.3CH3EIHarrison, Ivko, et al., 1966RDSH

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

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