2-Propanone, 1,3-difluoro-


Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, References, Notes

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C3H3F2O- + Hydrogen cation = 2-Propanone, 1,3-difluoro-

By formula: C3H3F2O- + H+ = C3H4F2O

Quantity Value Units Method Reference Comment
Δr1466. ± 13.kJ/molG+TSFarid and McMahon, 1980gas phase; Between PhCH2CN, CF3COCH3; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1436. ± 13.kJ/molIMRBFarid and McMahon, 1980gas phase; Between PhCH2CN, CF3COCH3; value altered from reference due to change in acidity scale

(CAS Reg. No. 1064658-34-9 • 42949672952-Propanone, 1,3-difluoro-) + 2-Propanone, 1,3-difluoro- = CAS Reg. No. 1064658-34-9

By formula: (CAS Reg. No. 1064658-34-9 • 4294967295C3H4F2O) + C3H4F2O = CAS Reg. No. 1064658-34-9

Quantity Value Units Method Reference Comment
Δr213. ± 27.kJ/molTherClair and McMahon, 1980gas phase; Between MeCHO, PhCOMe; value altered from reference due to change in acidity scale

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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

Quantity Value Units Method Reference Comment
Proton affinity (review)762.8kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity733.0kJ/molN/AHunter and Lias, 1998HL

De-protonation reactions

C3H3F2O- + Hydrogen cation = 2-Propanone, 1,3-difluoro-

By formula: C3H3F2O- + H+ = C3H4F2O

Quantity Value Units Method Reference Comment
Δr1466. ± 13.kJ/molG+TSFarid and McMahon, 1980gas phase; Between PhCH2CN, CF3COCH3; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1436. ± 13.kJ/molIMRBFarid and McMahon, 1980gas phase; Between PhCH2CN, CF3COCH3; value altered from reference due to change in acidity scale; B

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.

Farid and McMahon, 1980
Farid, R.; McMahon, T.B., The gas phase acidities of fluorinated acetones. An ICR investigation of the role of fluorine substituents in the stabilization of planar carbanions, Can. J. Chem., 1980, 58, 2307. [all data]

Clair and McMahon, 1980
Clair, R.L.; McMahon, T.B., An ion cyclotron resonance study of base-induced elimination reactions of fluorinated alcohols and unimolecular loss of HF from chemically activated fluoroalkoxide ions, Int. J. Mass Spectrom. Ion Phys., 1980, 33, 21. [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]


Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References