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nPrCO2 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

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

C4H7O2- + Hydrogen cation = Butanoic acid

By formula: C4H7O2- + H+ = C4H8O2

Quantity Value Units Method Reference Comment
Deltar346.8 ± 2.0kcal/molTDEqNorrman and McMahon, 1999gas phase
Deltar346.5 ± 2.2kcal/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Deltar346.5 ± 2.2kcal/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar339.5 ± 2.0kcal/molIMRECaldwell, Renneboog, et al., 1989gas phase
Deltar339.5 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase

C4H7O2- + Water = C4H9O3-

By formula: C4H7O2- + H2O = C4H9O3-

Quantity Value Units Method Reference Comment
Deltar8.60 ± 0.20kcal/molIMREViidanoja, Reiner, et al., 2000gas phase

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

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
3.47 ± 0.16D-EACaldwell, Renneboog, et al., 1989 
3.40 ± 0.30LPESDing, Wang, et al., 1998Around 3.4 eV" for CH3(CH2)nCO2-, n=0-8, Dervived DH = 113.4±8 kcal/mol

Protonation reactions

C4H7O2- + Hydrogen cation = Butanoic acid

By formula: C4H7O2- + H+ = C4H8O2

Quantity Value Units Method Reference Comment
Deltar346.8 ± 2.0kcal/molTDEqNorrman and McMahon, 1999gas phase
Deltar346.5 ± 2.2kcal/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Deltar346.5 ± 2.2kcal/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar339.5 ± 2.0kcal/molIMRECaldwell, Renneboog, et al., 1989gas phase
Deltar339.5 ± 2.0kcal/molIMRECumming and Kebarle, 1978gas phase

Ion clustering 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C4H7O2- + Water = C4H9O3-

By formula: C4H7O2- + H2O = C4H9O3-

Quantity Value Units Method Reference Comment
Deltar8.60 ± 0.20kcal/molIMREViidanoja, Reiner, et al., 2000gas phase

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Norrman and McMahon, 1999
Norrman, K.; McMahon, T.B., Intramolecular solvation of carboxylate anions in the gas phase, J. Phys. Chem. A, 1999, 103, 35, 7008-7016, https://doi.org/10.1021/jp9908202 . [all data]

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Viidanoja, Reiner, et al., 2000
Viidanoja, J.; Reiner, T.; Kiendler, A.; Grimm, F.; Arnold, F., Laboratory investigations of negative ion molecule reactions of propionic, butyric, glyoxylic, pyruvic, and pinonic acids, Int. J. Mass Spectrom., 2000, 194, 1, 53-68, https://doi.org/10.1016/S1387-3806(99)00172-4 . [all data]

Ding, Wang, et al., 1998
Ding, C.F.; Wang, X.B.; Wang, L.S., Photoelectron spectroscopy of doubly charged anions: Intramolecular Coulomb repulsion and solvent stabilization, J. Phys. Chem. A, 1998, 102, 45, 8633-8636, https://doi.org/10.1021/jp982698x . [all data]


Notes

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