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Phosphoric acid, trimethyl ester


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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)890.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity860.8kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.0PEChattorpadhyay, Findley, et al., 1981LLK
9.99PEHodges, McDonnell, et al., 1980LLK
10.70 ± 0.10EISantoro, 1973LLK
10.77 ± 0.30EIBafus, Gallegos, et al., 1966RDSH
10.90PEChattorpadhyay, Findley, et al., 1981Vertical value; LLK
10.82PECowley, Lattman, et al., 1977Vertical value; LLK
10.81PEVovna, Lopatin, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHO+17.3 ± 0.4?EIBafus, Gallegos, et al., 1966RDSH
CH3+17.90 ± 0.40?EISantoro, 1973LLK
CH3+18.6 ± 0.3?EIBafus, Gallegos, et al., 1966RDSH
CH3O+17.3 ± 0.4?EIBafus, Gallegos, et al., 1966RDSH
CH4O2P+14.90 ± 0.202HCHO+HEISantoro, 1973LLK
CH4O2P+15.1 ± 0.2?EIBafus, Gallegos, et al., 1966RDSH
CH4O3P+13.90 ± 0.20HCHO+CH3EISantoro, 1973LLK
CH4O3P+14.4 ± 0.3?EIBafus, Gallegos, et al., 1966RDSH
CH5O2P+12.91 ± 0.102HCHOEISantoro, 1973LLK
CH5O2P+13.9 ± 0.4?EIBafus, Gallegos, et al., 1966RDSH
C2H5O+14.0 ± 0.2?EIBafus, Gallegos, et al., 1966RDSH
C2H6O3P+14.1 ± 0.20HCHO+HEISantoro, 1973LLK
C2H6O3P+14.1?EIBafus, Gallegos, et al., 1966RDSH
C2H7O3P+11.62 ± 0.10HCHOEISantoro, 1973LLK
C2H7O3P+11.9 ± 0.2CH2OEIBafus, Gallegos, et al., 1966RDSH
C3H8O4P+12.73 ± 0.20HEISantoro, 1973LLK
PH2O2+15.1 ± 0.3?EIBafus, Gallegos, et al., 1966RDSH
OP+18.90 ± 0.50O+CH3O+2HEISantoro, 1973LLK
PO+19.6 ± 0.3?EIBafus, Gallegos, et al., 1966RDSH

References

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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]

Chattorpadhyay, Findley, et al., 1981
Chattorpadhyay, S.; Findley, G.L.; McGlynn, S.P., Photoelectron spectroscopy of phosphites and phosphates, J. Electron Spectrosc. Relat. Phenom., 1981, 24, 27. [all data]

Hodges, McDonnell, et al., 1980
Hodges, R.V.; McDonnell, T.J.; Beauchamp, J.L., Properties reactions of trimethyl phosphite, trimethyl phosphate, triethyl phosphate, and trimethyl phosphorothionate by ion cyclotron resonance spectroscopy, J. Am. Chem. Soc., 1980, 102, 1327. [all data]

Santoro, 1973
Santoro, E., The fragmentation of some alkyl thiophosphate esters by electron-impact, Org. Mass Spectrom., 1973, 7, 589. [all data]

Bafus, Gallegos, et al., 1966
Bafus, D.A.; Gallegos, E.J.; Kiser, R.W., An electron impact investigation of some alkyl phosphate esters, J. Phys. Chem., 1966, 70, 2614. [all data]

Cowley, Lattman, et al., 1977
Cowley, A.H.; Lattman, M.; Montag, R.A.; Verkade, J.G., The coordination behavior of acyclic phosphites; a UV photoelectron spectroscopic study, Inorg. Chim. Acta, 1977, 25, 151. [all data]

Vovna, Lopatin, et al., 1975
Vovna, V.I.; Lopatin, S.N.; Pettsol'd, R.; Vilesov, F.I., Photoelectron spectra and electronic structure of some phosphoryl compounds, Khim. Vys. Energ., 1975, 9, 9. [all data]


Notes

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