Propanal, 2,2-dimethyl-

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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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

Fluorine anion + Propanal, 2,2-dimethyl- = (Fluorine anion • Propanal, 2,2-dimethyl-)

By formula: F- + C5H10O = (F- • C5H10O)

Quantity Value Units Method Reference Comment
Δr103. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Δr110.J/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr70.3 ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; B,M

Chlorine anion + Propanal, 2,2-dimethyl- = (Chlorine anion • Propanal, 2,2-dimethyl-)

By formula: Cl- + C5H10O = (Cl- • C5H10O)

Quantity Value Units Method Reference Comment
Δr62.8 ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Δr91.6J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity Value Units Method Reference Comment
Δr35. ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M

C5H9O- + Hydrogen cation = Propanal, 2,2-dimethyl-

By formula: C5H9O- + H+ = C5H10O

Quantity Value Units Method Reference Comment
Δr1621. ± 17.kJ/molG+TSNoest and Nibbering, 1980gas phase; B
Quantity Value Units Method Reference Comment
Δr1594. ± 17.kJ/molIMRBNoest and Nibbering, 1980gas phase; B

(CAS Reg. No. 55091-58-2 • 4294967295Propanal, 2,2-dimethyl-) + Propanal, 2,2-dimethyl- = CAS Reg. No. 55091-58-2

By formula: (CAS Reg. No. 55091-58-2 • 4294967295C5H10O) + C5H10O = CAS Reg. No. 55091-58-2

Quantity Value Units Method Reference Comment
Δr191. ± 11.kJ/molN/ABartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

1,1-Dimethoxy-2,2-dimethylpropane + Water = Propanal, 2,2-dimethyl- + 2Methyl Alcohol

By formula: C7H16O2 + H2O = C5H10O + 2CH4O

Quantity Value Units Method Reference Comment
Δr33.16 ± 0.079kJ/molEqkWiberg and Squires, 1981liquid phase; ALS

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.

Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B., Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements, J. Am. Chem. Soc., 1983, 105, 2944. [all data]

Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P., Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions, J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014 . [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B., Gas phase negative ion chemistry of alkylchloroformates, Can. J. Chem., 1984, 62, 675. [all data]

Noest and Nibbering, 1980
Noest, A.J.; Nibbering, N.M.M., Homoconjugation vs. charge dipole stabilization interaction effects in the stabilization of carbanions in the gas phase, J. Am. Chem. Soc., 1980, 102, 6427. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Wiberg and Squires, 1981
Wiberg, K.B.; Squires, R.R., Thermochemical studies of carbonyl reactions. 2. Steric effects in acetal and ketal hydrolysis, J. Am. Chem. Soc., 1981, 103, 4473-4478. [all data]


Notes

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