4-Aminopyridine

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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
RCD - Robert C. Dunbar

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Individual Reactions

C5H5N2- + Hydrogen cation = 4-Aminopyridine

By formula: C5H5N2- + H+ = C5H6N2

Quantity Value Units Method Reference Comment
Δr1494. ± 9.2kJ/molG+TSTaft and Bordwell, 1988gas phase; B
Quantity Value Units Method Reference Comment
Δr1464. ± 8.4kJ/molIMRETaft and Bordwell, 1988gas phase; B

Lithium ion (1+) + 4-Aminopyridine = (Lithium ion (1+) • 4-Aminopyridine)

By formula: Li+ + C5H6N2 = (Li+ • C5H6N2)

Quantity Value Units Method Reference Comment
Δr217. ± 21.kJ/molCIDTRodgers, 2001RCD

Sodium ion (1+) + 4-Aminopyridine = (Sodium ion (1+) • 4-Aminopyridine)

By formula: Na+ + C5H6N2 = (Na+ • C5H6N2)

Quantity Value Units Method Reference Comment
Δr146. ± 4.6kJ/molCIDTRodgers, 2001RCD

Potassium ion (1+) + 4-Aminopyridine = (Potassium ion (1+) • 4-Aminopyridine)

By formula: K+ + C5H6N2 = (K+ • C5H6N2)

Quantity Value Units Method Reference Comment
Δr109. ± 3.kJ/molCIDTRodgers, 2001RCD

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.

Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G., Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase, Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005 . [all data]

Rodgers, 2001
Rodgers, M.T., Substituent Effects in the Binding of Alkali Metal Ions to Pyridines, Studied by Threshold Collision-Induced Dissociation and ab Initio Theory: The Aminopyridines, J. Phys. Chem. A, 2001, 105, 35, 8145, https://doi.org/10.1021/jp011555z . [all data]


Notes

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