Naphthalene, 1,2,3,4-tetrahydro-

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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
L - Sharon G. Lias

Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C10H12+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)8.46 ± 0.02eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)809.7kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity782.1kJ/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
800.8Aue, Guidoni, et al., 2000Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM

Gas basicity at 298K

Gas basicity (review) (kJ/mol) Reference Comment
774.0Aue, Guidoni, et al., 2000Experimental literature data re-evaluated by the authors using ab initio protonation entropies; MM

Ionization energy determinations

IE (eV) Method Reference Comment
8.44EIDass and Gross, 1985LBLHLM
8.48 ± 0.05EQMautner(Meot-Ner), 1980LLK
8.47CTSPitt, 1970RDSH
8.73EILoudon, Maccoll, et al., 1970RDSH
9.14 ± 0.05EIMeier, Heiss, et al., 1968RDSH
8.45 ± 0.02PEMaier and Turner, 1973Vertical value; LLK
8.44PEBrogli, Giovannini, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C8H8+11.31?EILoudon, Maccoll, et al., 1970RDSH

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.

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]

Aue, Guidoni, et al., 2000
Aue, D.H.; Guidoni, M.; Betowski, L.D., Ab initio calculated gas-phase basicities of polynuclear aromatic hydrocarbons, Int. J. Mass Spectrom., 2000, 201, 283. [all data]

Dass and Gross, 1985
Dass, C.; Gross, M.L., The question of cyclic versus acyclic ions: The structure of [C6H10]+ gas phase ions, Org. Mass Spectrom., 1985, 20, 34. [all data]

Mautner(Meot-Ner), 1980
Mautner(Meot-Ner), M., Ion thermochemistry of low volatility compounds in the gas phase. 3. Polycyclic aromatics: Ionization energies, proton, and hydrogen affinities. Extrapolations to graphite, J. Phys. Chem., 1980, 84, 2716. [all data]

Pitt, 1970
Pitt, C.G., Hyperconjugation: An alternative to the concept of the pπ-dπ bond in Group IV chemistry, J. Organomet. Chem., 1970, 23, 35. [all data]

Loudon, Maccoll, et al., 1970
Loudon, A.G.; Maccoll, A.; Wong, S.K., Comparison between unimolecular gas phase pyrolysis and electron impact fragmentation. Part I. The mass spectra of tetralin and some related heterocycles, J. Chem. Soc. B, 1970, 1727. [all data]

Meier, Heiss, et al., 1968
Meier, H.; Heiss, J.; Suhr, H.; Muller, E., Energetische Untersuchungen zum Mills-Nixon-Effekt. Ionisierungsenergien von Benzolmolekulen mit ankondensierten gesattigten Ringen, Tetrahedron, 1968, 24, 2307. [all data]

Maier and Turner, 1973
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part 2. Phenylethylenes, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 196. [all data]

Brogli, Giovannini, et al., 1973
Brogli, F.; Giovannini, E.; Heilbronner, E.; Schurter, R., Die photoelektronen spektren der benzocycloalkene, Chem. Ber., 1973, 106, 961. [all data]


Notes

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