CH2=C(CH=CH2)O anion


Reaction 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 by: John E. Bartmess

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Individual Reactions

C4H5O- + Hydrogen cation = Methyl vinyl ketone

By formula: C4H5O- + H+ = C4H6O

Quantity Value Units Method Reference Comment
Δr363.3 ± 2.1kcal/molG+TSBartmess and Kiplinger, 1986gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr356.5 ± 2.0kcal/molIMREBartmess and Kiplinger, 1986gas phase; value altered from reference due to change in acidity scale

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 by: John E. Bartmess

Protonation reactions

C4H5O- + Hydrogen cation = Methyl vinyl ketone

By formula: C4H5O- + H+ = C4H6O

Quantity Value Units Method Reference Comment
Δr363.3 ± 2.1kcal/molG+TSBartmess and Kiplinger, 1986gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr356.5 ± 2.0kcal/molIMREBartmess and Kiplinger, 1986gas phase; value altered from reference due to change in acidity scale

References

Go To: Top, Reaction thermochemistry data, 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.

Bartmess and Kiplinger, 1986
Bartmess, J.E.; Kiplinger, J.P., 'Kinetic' vs. thermodynamic acidities of enones in the gas phase, J. Org. Chem., 1986, 51, 2173. [all data]


Notes

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