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Carbonic acid, dimethyl ester

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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 - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)830.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity799.2kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
11.00PEMcGlynn and Meeks, 1976Vertical value; LLK
11.2PEWittel, Astrup, et al., 1975Vertical value; LLK
11.00PEMeeks, Arnett, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3O+10.96 ± 0.05C2H3O2EISuh, Kingsmill, et al., 1995Unpublished result of F.P.Lossing; LL
C2H3O2+11.50 ± 0.05CH3OEIBlanchette, Holmes, et al., 1986LBLHLM
C2H3O2+12.15 ± 0.08CH3OEIBriggs and Shannon, 1969RDSH
C2H4O2+11.56 ± 0.05CH2OEITerlouw, Wezenberg, et al., 1983LBLHLM
C2H4O2+11.5 ± 0.2CH2OEITerlouw, Wezenberg, et al., 1983LBLHLM


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]

McGlynn and Meeks, 1976
McGlynn, S.P.; Meeks, J.L., Photoelectron spectra of carbonyls, carbonates, oxalates and esterification effects, J. Electron Spectrosc. Relat. Phenom., 1976, 8, 85. [all data]

Wittel, Astrup, et al., 1975
Wittel, K.; Astrup, E.E.; Bock, H.; Graeffe, G.; Juslen, H., Photoelectron spectra and molecular properties, XLVIII Carbonates thio- carbonates, Z. Naturforsch. B:, 1975, 30, 862. [all data]

Meeks, Arnett, et al., 1975
Meeks, J.L.; Arnett, J.F.; Larson, D.; McGlynn, S.P., Photoelectron spectroscopy of carbonyls. Ionization assignments, Chem. Phys. Lett., 1975, 30, 190. [all data]

Suh, Kingsmill, et al., 1995
Suh, D.; Kingsmill, C.A.; Ruttink, P.J.A.; Burgers, P.C.; Terlouw, J.K., C-H...O and O...H...O bonded intermediates in the dissociation of low energy methyl glycolate radical cations, Int. J. Mass Spectrom. Ion Processes, 1995, 146/147, 305. [all data]

Blanchette, Holmes, et al., 1986
Blanchette, M.C.; Holmes, J.L.; Hop, C.E.C.A.; Lossing, F.P.; Postma, R.; Ruttink, P.J.A.; Terlouw, J.K., Theory and experiment in concert; the CH3O-C=O+ ion and its isomers, J. Am. Chem. Soc., 1986, 108, 7589. [all data]

Briggs and Shannon, 1969
Briggs, P.R.; Shannon, T.W., The heat of formation of the methoxycarbonyl ion, J. Am. Chem. Soc., 1969, 91, 4307. [all data]

Terlouw, Wezenberg, et al., 1983
Terlouw, J.K.; Wezenberg, J.; Burgers, P.C.; Holmes, J.L., New stable isomers of [C2H4O]+ and [C2H4O2]+, the radical cations [CH2COH]+ and [CH3OCOH]+, J. Chem. Soc., Chem. Commun., 1983, 1121. [all data]


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