2-Azetidinone


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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-22.9 ± 0.2kcal/molCcbRoux, Jimenez, et al., 1996 

Condensed 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid-41.4 ± 0.2kcal/molCcbRoux, Jimenez, et al., 1996 
Quantity Value Units Method Reference Comment
Δcsolid-411.5 ± 0.2kcal/molCcbRoux, Jimenez, et al., 1996 

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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus346. to 347.KN/ABuckingham and Donaghy, 1982BS
Quantity Value Units Method Reference Comment
Δsub18.5 ± 0.07kcal/molVRoux, Jimenez, et al., 1996ALS
Δsub18.5 ± 0.07kcal/molMERoux, Jimenez, et al., 1996AC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
379.20.020Weast and Grasselli, 1989BS
379.0.020Buckingham and Donaghy, 1982BS

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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to C3H5NO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)203.8kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity196.4kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.78PETreschanke and Rademacher, 1985LBLHLM

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.

Roux, Jimenez, et al., 1996
Roux, M.V.; Jimenez, P.; Davalos, J.Z.; Castano, O.; Molina, M.T.; Notario, R.; Herreros, M.; Abboud, J.-L.M., The first direct experimental determination of strain in neutral and protonated 2-azetidinone, J. Am. Chem. Soc., 1996, 118, 12735-12737. [all data]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]

Treschanke and Rademacher, 1985
Treschanke, L.; Rademacher, P., Electronic structure and conformational properties of the amide linkage, J. Mol. Struct., 1985, 122, 47. [all data]


Notes

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