Pyridine, 3-methyl-, 1-oxide

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Phase change 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: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub82.2 ± 2.4kJ/molCAcree Jr., 1995 

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C6H7NO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)935.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity902.8kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.20 ± 0.02PEMaier and Muller, 1974Vertical value; LLK

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.

Acree Jr., 1995
Acree Jr., Enthalpies of combustion of 4-nitropyridineN-oxide and pyridine-3-carboxylic acidN-oxide: the dissociation enthalpies of the N---O bonds in pyridineN-oxide derivatives, The Journal of Chemical Thermodynamics, 1995, 27, 4, 391-398, https://doi.org/10.1006/jcht.1995.0038 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Maier and Muller, 1974
Maier, J.P.; Muller, J.-F., Ionisation energies of pyridine N-oxides determined by photoelectron spectroscopy, J. Chem. Soc. Faraday Trans. 2, 1974, 70, 1991. [all data]


Notes

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