Phenanthrene, 4-methyl-

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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
Δfgas195.8 ± 1.1kJ/molCcrChirico, Hossenlopp, et al., 1989Hfusion=14.04 kJ/mol

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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
7.1 ± 0.1EIDougherty, Bertorello, et al., 1971LLK
7.70 ± 0.02EINounou, 1966RDSH
7.70 ± 0.02EIBonnier, Gelus, et al., 1965RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C13H9+12.7 ± 0.1C2H3EIDougherty, Bertorello, et al., 1971LLK
C15H9+14.4 ± 0.1H2+HEIDougherty, Bertorello, et al., 1971LLK
C15H11+12.0 ± 0.1HEIDougherty, Bertorello, et al., 1971LLK
C15H11+12.2 ± 0.2HEINounou, 1966RDSH

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.

Chirico, Hossenlopp, et al., 1989
Chirico, R.D.; Hossenlopp, I.A.; Nguyen, A.; Steele, W.V.; Gammon, B.E., The thermodynamic properties of 4-methylphenanthrene, J. Chem. Thermodyn., 1989, 21, 179-201. [all data]

Dougherty, Bertorello, et al., 1971
Dougherty, R.C.; Bertorello, H.E.; Martinez de Bertorello, M., Mass spectra and thermochemistry of methyl phenanthrenes. A contribution to the analogy between mass spectral and thermal fragmentation reactions, Org. Mass Spectrom., 1971, 5, 1321. [all data]

Nounou, 1966
Nounou, P., Etude des composes aromatiques par spectrometrie de masse. I. Mesure des potentials d'ionisation et d'apparition par la methode du potential retardateur et interpretation des courbes d'ionisation differentielle, J. Chim. Phys., 1966, 63, 994. [all data]

Bonnier, Gelus, et al., 1965
Bonnier, J.-M.; Gelus, M.; Nounou, P., Contribution a l'etude de l'effet inductif et de l'effet d'hyperconjugaison dans quelques methylaromatiques, J. Chim. Phys., 1965, 10, 1191. [all data]


Notes

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