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Maleic anhydride anion


Gas phase 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

Quantity Value Units Method Reference Comment
Deltafgas-537.2 ± 9.6kJ/molR-EAPaul and Kebarle, 1989«DELTA»Gea(423 K) = -32.8±1 kcal/mol, «DELTA»S = -1±3 eu.

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

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

C4H2O3- + Methyl Alcohol = (C4H2O3- bullet Methyl Alcohol)

By formula: C4H2O3- + CH4O = (C4H2O3- bullet CH4O)

Quantity Value Units Method Reference Comment
Deltar20. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
20.343.PHPMSChowdhury, 1987gas phase; M

C4H2O3- + Dimethyl Sulfoxide = (C4H2O3- bullet Dimethyl Sulfoxide)

By formula: C4H2O3- + C2H6OS = (C4H2O3- bullet C2H6OS)

Quantity Value Units Method Reference Comment
Deltar28. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
28.343.PHPMSChowdhury, 1987gas phase; M

C4H2O3- + Acetonitrile = (C4H2O3- bullet Acetonitrile)

By formula: C4H2O3- + C2H3N = (C4H2O3- bullet C2H3N)

Quantity Value Units Method Reference Comment
Deltar23. ± 6.7kJ/molIMREChowdhury, Grimsrud, et al., 1987gas phase; Free energy affinity at 70°C.; B

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes

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

Paul and Kebarle, 1989
Paul, G.; Kebarle, P., Electron Affinities of Cyclic Unsaturated Dicarbonyls: Maleic Anhydrides, Maleimides, and Cyclopentendione, J. Am. Chem. Soc., 1989, 111, 2, 464, https://doi.org/10.1021/ja00184a009 . [all data]

Chowdhury, Grimsrud, et al., 1987
Chowdhury, S.; Grimsrud, E.P.; Kebarle, P., Bonding of Charged Delocalized Anions to Protic and Dipolar Aprotic Solvent Molecules, J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021 . [all data]

Chowdhury, 1987
Chowdhury, S. Grimsrud, Bonding of Charge Delocalized Anions to Protic and Dipolar Aprotic Solvents, J. Phys. Chem., 1987, 91, 10, 2551, https://doi.org/10.1021/j100294a021 . [all data]


Notes

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