Propane, 2-methoxy-

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Gas phase thermochemistry 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 compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-252.0 ± 0.96kJ/molCmPilcher, Pell, et al., 1964ALS
Quantity Value Units Method Reference Comment
Δcgas-2751.1 ± 0.92kJ/molCmPilcher, Pell, et al., 1964Corresponding Δfgas = -252.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
gas341.6J/mol*KN/AAndon R.J.L., 1975GT

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
L - Sharon G. Lias

Data compiled as indicated in comments:
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
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)9.45 ± 0.04eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)826.3kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity797.1kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.50PIMcAdoo, Traeger, et al., 1988LL
9.42 ± 0.07EIBowen and Maccoll, 1984LBLHLM
9.42EIHolmes, Fingas, et al., 1981LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H6O+9.69CH4PIMcAdoo, Traeger, et al., 1988LL
C3H7O+9.71CH3PIMcAdoo, Traeger, et al., 1988LL
C3H7O+9.82 ± 0.08CH3EIBowen and Maccoll, 1984LBLHLM
C3H7O+9.82CH3EILossing, 1977LLK
C3H7O+10.3 ± 0.1CH3EITsang and Harrison, 1970RDSH

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.

Pilcher, Pell, et al., 1964
Pilcher, G.; Pell, A.S.; Coleman, D.J., Measurements of heats of combustion by flame calorimetry. Part 2-Dimethyl ether, methyl ethyl ether, methyl n-propyl ether, methyl isopropyl ether, Trans. Faraday Soc., 1964, 60, 499-505. [all data]

Andon R.J.L., 1975
Andon R.J.L., Thermodynamic properties of organic oxygen compounds. 40. Heat capacity and entropy of six ethers, J. Chem. Thermodyn., 1975, 7, 593-606. [all data]

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]

McAdoo, Traeger, et al., 1988
McAdoo, D.J.; Traeger, J.C.; Hudson, C.E.; Griffin, L.L., Decompositions of ionized isopropryl methyl ether: Complex-mediated and direct processes in unimolecular dissociations, J. Phys. Chem., 1988, 92, 1524. [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]

Holmes, Fingas, et al., 1981
Holmes, J.L.; Fingas, M.; Lossing, F.P., Towards a general scheme for estimating the heats of formation of organic ions in the gas phase. Part I. Odd-electron cations, Can. J. Chem., 1981, 59, 80. [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]

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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