1-Propene, 2-methoxy-

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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil308.2KN/AAldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference Comment
28.3 ± 0.1295.Baglay, Gurariy, et al., 1988Based on data from 281. to 309. K.; AC

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:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to C4H8O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)894.9kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity866.1kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.64EIHolmes and Lossing, 1982LBLHLM

De-protonation reactions

C4H7O- + Hydrogen cation = 1-Propene, 2-methoxy-

By formula: C4H7O- + H+ = C4H8O

Quantity Value Units Method Reference Comment
Δr1614. ± 23.kJ/molG+TSBartmess and Burnham, 1984gas phase; Between H2O, MeOH; B
Quantity Value Units Method Reference Comment
Δr1586. ± 23.kJ/molIMRBBartmess and Burnham, 1984gas phase; Between H2O, MeOH; B

Gas Chromatography

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

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedSqualane50.482.Becerra, Sánchez, et al., 1982N2, Chromosorb W-AM; Column length: 6. m
PackedSqualane50.483.Becerra, Sánchez, et al., 1982N2, Chromosorb W-AM; Column length: 6. m

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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Baglay, Gurariy, et al., 1988
Baglay, A.K.; Gurariy, L.L.; Kuleshov, G.G., Physical properties of compounds used in vitamin synthesis, J. Chem. Eng. Data, 1988, 33, 512-518. [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]

Holmes and Lossing, 1982
Holmes, J.L.; Lossing, F.P., Towards a general scheme for estimating the heats of formation of organic ions in the gas phase. Part II. The effect of substitution at charge-bearing sites, Can. J. Chem., 1982, 60, 2365. [all data]

Bartmess and Burnham, 1984
Bartmess, J.E.; Burnham, R., Effect of central substituents on the gas phase acidities of propenes, J. Org. Chem., 1984, 49, 1382. [all data]

Becerra, Sánchez, et al., 1982
Becerra, M.R.; Sánchez, E.F.; Domínguez, J.A.G.; Muñoz, J.G.; Molera, M.J., The use of gaseous and liquid n-paraffins in GC identification of oxidation products of acetondimethyl acetal, J. Chromatogr. Sci., 1982, 20, 8, 363-366, https://doi.org/10.1093/chromsci/20.8.363 . [all data]


Notes

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