Benzaldehyde, 3-methyl-

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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: Robert L. Brown and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil472.2KN/AWeast and Grasselli, 1989 

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference
366.70.023Weast and Grasselli, 1989

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:
B - John E. Bartmess

View reactions leading to C8H8O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)840.0kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity808.1kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.408 ± 0.013ECDWentworth, Kao, et al., 1975B

De-protonation reactions

C8H7O- + Hydrogen cation = Benzaldehyde, 3-methyl-

By formula: C8H7O- + H+ = C8H8O

Quantity Value Units Method Reference Comment
Δr1554. ± 8.8kJ/molG+TSCaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1524. ± 8.4kJ/molIMRECaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale; B

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.

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]

Wentworth, Kao, et al., 1975
Wentworth, W.E.; Kao, L.W.; Becker, R.S., Electron affinities of substituted aromatic compounds, J. Phys. Chem., 1975, 79, 1161. [all data]

Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E., , Unpublished results. [all data]


Notes

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