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Picric acid

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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 compiled by: John E. Bartmess

De-protonation reactions

C6H2N3O7- + Hydrogen cation = Picric acid

By formula: C6H2N3O7- + H+ = C6H3N3O7

Quantity Value Units Method Reference Comment
Deltar1298. ± 9.2kJ/molG+TSKoppel, Taft, et al., 1994gas phase; Per Leito, Raamat, et al., 2009, dGacid is likely too weak by up to 1.3 kcal/mol.
Quantity Value Units Method Reference Comment
Deltar1267. ± 8.4kJ/molIMREKoppel, Taft, et al., 1994gas phase; Per Leito, Raamat, et al., 2009, dGacid is likely too weak by up to 1.3 kcal/mol.
Deltar<1292.9kJ/molIMRBDzidic, Carroll, et al., 1974gas phase; I- deprotonates

References

Go To: Top, 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.

Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M., The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids, J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038 . [all data]

Leito, Raamat, et al., 2009
Leito, I.; Raamat, E.; Kutt, A.; Saame, J.; Kipper, K.; Koppel, I.A.; Koppel, I.; Zhang, M.; Mishima, M.; Yagupolskii, L.M.; Garlyauskayte, R.Y.; Filatov, A.A., Revision of the Gas-Phase Acidity Scale below 300 kcal mol(-1), J. Phys. Chem. A, 2009, 113, 29, 8421-8424, https://doi.org/10.1021/jp903780k . [all data]

Dzidic, Carroll, et al., 1974
Dzidic, I.; Carroll, D.I.; Stillwell, R.N.; Horning, E.C., Gas phase reactions. Ionization by proton transfer to superoxide anions, J. Am. Chem. Soc., 1974, 96, 5258. [all data]


Notes

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