1-Propene, 3-methoxy-

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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 compiled as indicated in comments:
B - John E. Bartmess
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

View reactions leading to C4H8O+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
9.56EIHolmes and Lossing, 1986LBLHLM
9.84 ± 0.05PEMcAlduff, Caramella, et al., 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H5O+10.74 ± 0.05C2H3EIHolmes and Lossing, 1984LBLHLM

De-protonation reactions

C4H7O- + Hydrogen cation = 1-Propene, 3-methoxy-

By formula: C4H7O- + H+ = C4H8O

Quantity Value Units Method Reference Comment
Δr1626. ± 17.kJ/molG+TSDahlke and Kass, 1991gas phase; Between H2O, furan. Reprotonation site uncertain; B
Quantity Value Units Method Reference Comment
Δr1598. ± 17.kJ/molIMRBDahlke and Kass, 1991gas phase; Between H2O, furan. Reprotonation site uncertain; B

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


References

Go To: Top, Gas phase ion energetics data, IR Spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Holmes and Lossing, 1986
Holmes, J.L.; Lossing, F.P., Title unavailable, Personal communication to S.G. Lias, 1986. [all data]

McAlduff, Caramella, et al., 1978
McAlduff, E.J.; Caramella, P.; Houk, K.N., Photoelectron spectra of 3-substituted cyclopentenes. Correlations between ionization potentials and cycloaddition regioselectivity, J. Am. Chem. Soc., 1978, 100, 105. [all data]

Holmes and Lossing, 1984
Holmes, J.L.; Lossing, F.P., Heats of formation of organic radicals from appearance energies, Int. J. Mass Spectrom. Ion Processes, 1984, 58, 113. [all data]

Dahlke and Kass, 1991
Dahlke, G.D.; Kass, S.R., Substituent Effects in the Gas Phase - 1-Substituted Allyl Anions, J. Am. Chem. Soc., 1991, 113, 15, 5566, https://doi.org/10.1021/ja00015a008 . [all data]


Notes

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