1-naphthyl-CH2 anion


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 compiled by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
1.07 ± 0.11D-EABartmess and Griffiths, 1990Isomer 1-methylene-1,4-dihydronaphthalene: ΔG=349.0±2.0, ΔS=27±2, ΔH=357.1

Protonation reactions

C11H9- + Hydrogen cation = Naphthalene, 1-methyl-

By formula: C11H9- + H+ = C11H10

Quantity Value Units Method Reference Comment
Δr1565. ± 8.8kJ/molG+TSBartmess and Griffiths, 1990gas phase; Isomer 1-methylene-1,4-dihydronaphthalene: ΔG=349.0±2.0, ΔS=27±2, ΔH=357.1
Δr1551. ± 10.kJ/molTDEqMeot-ner, Liebman, et al., 1988gas phase; anchored to 88MEO scale, not the "87 acidity scale". The Kiefer, Zhang, et al., 1997 BDE is for ortho.
Quantity Value Units Method Reference Comment
Δr1531. ± 8.4kJ/molIMREBartmess and Griffiths, 1990gas phase; Isomer 1-methylene-1,4-dihydronaphthalene: ΔG=349.0±2.0, ΔS=27±2, ΔH=357.1
Δr1516. ± 8.4kJ/molTDEqMeot-ner, Liebman, et al., 1988gas phase; anchored to 88MEO scale, not the "87 acidity scale". The Kiefer, Zhang, et al., 1997 BDE is for ortho.

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.

Bartmess and Griffiths, 1990
Bartmess, J.E.; Griffiths, S.S., Tautomerization Energetics of Benzoannelated Toluenes, J. Am. Chem. Soc., 1990, 112, 8, 2932, https://doi.org/10.1021/ja00164a014 . [all data]

Meot-ner, Liebman, et al., 1988
Meot-ner, M.; Liebman, J.F.; Kafafi, S.A., Ionic Probes of Aromaticity in Annelated Rings, J. Am. Chem. Soc., 1988, 110, 18, 5937, https://doi.org/10.1021/ja00226a001 . [all data]

Kiefer, Zhang, et al., 1997
Kiefer, J.H.; Zhang, Q.; Kern, R.D.; Yao, J.; Jursic, B., Pyrolysis of Aromatic Azines: Pyrazine, Pyrimidine, and Pyridine, J. Phys. Chem. A, 1997, 101, 38, 7061, https://doi.org/10.1021/jp970211z . [all data]


Notes

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