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Propanamide, 2,2-dimethyl-

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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 evaluated as indicated in comments:
HL - E.P. Hunter and S.G. Lias

Data compiled as indicated in comments:
B - J.E. Bartmess
MM - M. Mautner

Quantity Value Units Method Reference Comment
Proton affinity (review)889.0kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity857.2kJ/molN/AHunter and Lias, 1998HL

Gas basicity at 298K

Gas basicity (review) (kJ/mol) Reference Comment
855. ± 6.Witt and Grutzmacher, 1997aniline; ortho-toluidine. Data readjusted to Hunter and Lias, 1998; MM
858. ± 7.Witt and Grutzmacher, 1997MM

De-protonation reactions

C5H10NO- + Hydrogen cation = Propanamide, 2,2-dimethyl-

By formula: C5H10NO- + H+ = C5H11NO

Quantity Value Units Method Reference Comment
Deltar1498. ± 8.8kJ/molG+TSTaft, 1987gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar1469. ± 8.4kJ/molIMRETaft, 1987gas phase; value altered from reference due to change in acidity scale; B

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.

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]

Witt and Grutzmacher, 1997
Witt, M.; Grutzmacher, H.F., Proton-bound dimers of aliphatic carboxamides: gas-phase basicity and dissociation energy, Int. J. Mass Spectrom. Ion Processes, 1997, 165, 49. [all data]

Taft, 1987
Taft, R.W., The Nature and Analysis of Substitutent Electronic Effects, Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]


Notes

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