C9H5N3O2


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

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Individual Reactions

C9H4N3O2- + Hydrogen cation = C9H5N3O2

By formula: C9H4N3O2- + H+ = C9H5N3O2

Quantity Value Units Method Reference Comment
Δr1292. ± 9.6kJ/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
Δr1268. ± 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.

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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

C9H4N3O2- + Hydrogen cation = C9H5N3O2

By formula: C9H4N3O2- + H+ = C9H5N3O2

Quantity Value Units Method Reference Comment
Δr1292. ± 9.6kJ/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
Δr1268. ± 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.

References

Go To: Top, Reaction thermochemistry data, 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]


Notes

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