C₇H₇⁺ (structure unspecified)

• Formula: C₇H₇⁺
• Molecular weight: 91.1299
• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
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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.

Reactions leading to C₇H₇⁺ (ion structure unspecified)

References

Go To: Top, 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.

Traeger and Kompe, 1990
Traeger, J.C.; Kompe, B.M., Threshold C₇H₇ formation from the benzyl halides by photoionization mass spectrometry, Int. J. Mass Spectrom. Ion Processes, 1990, 101, 111. [all data]

Baer, Morrow, et al., 1988
Baer, T.; Morrow, J.C.; Shao, J.D.; Olesik, S., Gas-phase heats of formation of C₇H₇⁺ isomers: m-Tolyl, p-tolyl, and benzyl ions, J. Am. Chem. Soc., 1988, 110, 5633. [all data]

Yeo and Williams, 1970
Yeo, A.N.H.; Williams, D.H., Rearrangement in the molecular ions of halogenotoluenes prior to fragmentation in the mass spectrometer, Chem. Commun., 1970, 886. [all data]

McLafferty and Winkler, 1974
McLafferty, F.W.; Winkler, J., Gaseous tropylium, benzyl, tolyl, and norbornadienyl cations, J. Am. Chem. Soc., 1974, 96, 5182. [all data]

Tajima and Tsuchiya, 1972
Tajima, S.; Tsuchiya, T., The effects of the repeller voltage and the shield voltage on appearance potential measurements by electron impact, Shitsuryo Bunseki, 1972, 20, 117. [all data]

Howe and Williams, 1969
Howe, I.; Williams, D.H., Calculation and qualitative predictions of mass spectra. Mono- and paradisubstituted benzenes, J. Am. Chem. Soc., 1969, 91, 7137. [all data]

Dunbar, Honovich, et al., 1988
Dunbar, R.C.; Honovich, J.P.; Asamoto, B., Photodissociation thermochemistry as a probe of halotoluene ion potential surfaces, J. Phys. Chem., 1988, 92, 6935. [all data]

Akopyan, Vilesov, et al., 1972
Akopyan, M.E.; Vilesov, F.I.; Lopatin, S.N., Photoionization of benzyl chloride, Khim. Vys. Energ., 1972, 6, 110. [all data]

Akopyan and Vilesov, 1966
Akopyan, M.E.; Vilesov, F.I., A mass-spectrometric study of the photo-ionisation of benzene derivatives at wavelengths up to 885 A, Zh. Fiz. Khim., 1966, 40, 125, In original 63. [all data]

Selim, Rabbih, et al., 1994
Selim, E.T.M.; Rabbih, M.A.; Fahmey, M.A.; Hawash, M.F., Loss of H and Cl from the molecular ions of chlorotoluene isomers using electron impact mass spectrometry, Int. J. Mass Spectrom. Ion Processes, 1994, 134, 119. [all data]

Brown, 1970
Brown, P., Kinetic studies in mass spectrometry-IV. The [M - Cl] reaction in substituted chlorobenzenes and the question of molecular ion isomerization, Org. Mass Spectrom., 1970, 3, 639. [all data]

Akopyan and Vilesov, 1964
Akopyan, M.E.; Vilesov, F.I., Excited states of positive ions and dissociative photoionization of aromatic amines, Dokl. Akad. Nauk SSSR, 1964, 158, 1386, In original 965. [all data]

Matyuk, Potapov, et al., 1979
Matyuk, V.M.; Potapov, V.K.; Prokhoda, A.L., Photoexcitation and photoionisation of nitro- derivatives of benzene and toluene, Russ. J. Phys. Chem., 1979, 53, 538. [all data]

Brown, 1970, 2
Brown, P., Kinetic studies in mass spectrometry. IX. Competing [M-NO₂] and [M-NO] reactions in substituted nitrobenzenes. Approximate activation energies from ionization and appearance potentials, Org. Mass Spectrom., 1970, 4, 533. [all data]

Huang and Dunbar, 1991
Huang, F.-S.; Dunbar, R.C., Time-resolved photodissociation of toluene ion [E_o(C₆H₅CH₃⁺ Ü C₇H₇⁺ + H)=2.11 eV; cited data derived using evaluated IP for toluene. Modeling uncertainties give considerable latitude in the assignment of kinetic parameters.], Int. J. Mass Spectrom. Ion Processes, 1991, 109, 151. [all data]

Selim and Helal, 1982
Selim, E.T.M.; Helal, A.I., The study of C₁-C₃ monosubstituted alkyl benzenes by the inverse convolution of first differential ionization efficiency curves, Org. Mass Spectrom., 1982, 17, 539. [all data]

McLoughlin, Morrison, et al., 1979
McLoughlin, R.G.; Morrison, J.D.; Traeger, J.C., Photoionization of the C-1 - C-4 monosubstituted alkyl benzenes: Thermochemistry of [C₇H₇]⁺ and [C₈H₉]⁺ formation, Org. Mass Spectrom., 1979, 14, 104. [all data]

Traeger and McLoughlin, 1978
Traeger, J.C.; McLoughlin, R.G., A photoionization study of the energetics of C₇H₇⁺ ion formed from C₇H₈ precursors, Int. J. Mass Spectrom. Ion Phys., 1978, 27, 319. [all data]

Traeger and McLoughlin, 1977
Traeger, J.C.; McLoughlin, R.G., Threshold photoionization and dissociation of toluene and cycloheptatriene, J. Am. Chem. Soc., 1977, 99, 7351. [all data]

Hoffman, 1974
Hoffman, M.K., Hidden rearrangements in the mass spectral decomposition of cycloheptatriene, Z. Naturforsch. A:, 1974, 29, 1077. [all data]

Akopyan and Vilesov, 1968
Akopyan, M.E.; Vilesov, F.I., Mass-spectrometric investigation of the photo-ionization of benzene and its methyl derivatives, Khim. Vysokikh Energ., 1968, 2, 107, In original 89. [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]

Lifshitz, Gotkis, et al., 1993
Lifshitz, C.; Gotkis, Y.; Ioffe, A.; Laskin, J.; Shaik, S., Is the tropylium ion (Tr⁺) formed from toluene at its thermochemical threshold?, Int. J. Mass Spectrom. Ion Processes, 1993, 125, R7. [all data]

Lifshitz, Gotkis, et al., 1993, 2
Lifshitz, C.; Gotkis, Y.; Laskin, J.; Ioffe, A.; Shaik, S., Threshold formation of benzylium (Bz⁺) and tropylium (Tr⁺) from toluene. Nonstatistical behavior in Franck-Condon gaps, J. Phys. Chem., 1993, 97, 12291. [all data]

Bombach, Dannacher, et al., 1983
Bombach, R.; Dannacher, J.; Stadelmann, J.-P., Energy and time dependence of the decay processes of toluene molecular cations, J. Am. Chem. Soc., 1983, 105, 4205. [all data]

Bombach, Dannacher, et al., 1983, 2
Bombach, R.; Dannacher, J.; Stadelmann, J.-P., The rate-energy functions for the formation of tropylium and benzylium ions from toluene molecular cations, Chem. Phys. Lett., 1983, 95, 259. [all data]

Dolejsek, Hanus, et al., 1962
Dolejsek, Z.; Hanus, V.; Prinzbach, H., Das massenspektrometrische Verhalten von Quadricyclen, Angew. Chem., 1962, 74, 902. [all data]

Meyerson, McCollum, et al., 1961
Meyerson, S.; McCollum, J.D.; Rylander, P.N., Organic ions in the gas phase. VIII. Bicycloheptadiene, J. Am. Chem. Soc., 1961, 83, 1401. [all data]

Lifshitz and Bauer, 1963
Lifshitz, C.; Bauer, S.H., Mass spectra of valence tautomers, J. Phys. Chem., 1963, 67, 1629. [all data]

Harrison, Honnen, et al., 1960
Harrison, A.G.; Honnen, L.R.; Dauben, H.J., Jr.; Lossing, F.P., Free radicals by mass spectrometry. XX. Ionization potentials of cyclopentadienyl and cycloheptatrienyl radicals, J. Am. Chem. Soc., 1960, 82, 5593. [all data]

Meyer, Haynes, et al., 1965
Meyer, F.; Haynes, P.; McLean, S.; Harrison, A.G., An electron impact study of some C₈H₁₀ isomers, Can. J. Chem., 1965, 43, 211. [all data]

Selim, Rabbih, et al., 1987
Selim, E.T.M.; Rabbih, M.A.; Fahmey, M.A., A mass spectrometric study of [C₇H₇]⁺ and [C₆H₇]⁺ fragment ions obtained from benzyl alcohol, benzyl amine and benzyl cyanide, Egypt. J. Phys., 1987, 18, 37. [all data]

Meyerson, Rylander, et al., 1959
Meyerson, S.; Rylander, P.N.; Eliel, E.L.; McCollum, J.D., Organic ions in the gas phase. VII. Tropylium ion from benzyl chloride and benzyl alcohol, J. Am. Chem. Soc., 1959, 81, 2606. [all data]

Selim, Fahmey, et al., 1990
Selim, E.T.M.; Fahmey, M.A.; Ghonime, H.S., [C₇H₇]⁺ and [C₆H₅]⁺ fragment ions produced from methylphenol isomers by electron impact, Org. Mass Spectrom., 1990, 26, 55. [all data]

Gowenlock, Kay, et al., 1963
Gowenlock, B.G.; Kay, J.; Majer, J.R., Electron impact studies of some sulphides and disulphides, J. Chem. Soc. Faraday Trans., 1963, 59, 2463. [all data]

Steele, Jennings, et al., 1965
Steele, W.C.; Jennings, B.H.; Botyos, G.L.; Dudek, G.O., An electron impact study of norbornenyl and nortricyclyl chlorides, J. Org. Chem., 1965, 30, 2886. [all data]

Allan, Dannacher, et al., 1980
Allan, M.; Dannacher, J.; Maier, J.P., Radiative and fragmentation decay of the cations of trans- and cis 1,3,5-hexatriene of all trans-1,3,5-heptatriene in the A(π^-1) states, studied by emission photoelectron-photoion coincidence spectroscopy, J. Chem. Phys., 1980, 73, 3114. [all data]

Benoit, 1973
Benoit, F., Substituent effects in mass spectrometry. III. Substituent effects in the dissociation of the molecular ions of para and meta subtituted benzoic acids, Org. Mass Spectrom., 1973, 7, 295. [all data]

Lifshitz and Malinovich, 1984
Lifshitz, C.; Malinovich, Y., Time resolved photoionization mass spectrometry in the millisecond range, Int. J. Mass Spectrom. Ion Processes, 1984, 60, 99. [all data]

Loudon and Mazengo, 1974
Loudon, A.G.; Mazengo, R.Z., Steric strain and electron-impact. The behaviour of some n, n'-dimethyl- 1,1-binaphthyls, some n, n'-dimethylbiphenyls and model compounds, Org. Mass Spectrom., 1974, 8, 179. [all data]

Hoffman and Bursey, 1971
Hoffman, M.K.; Bursey, M.M., Structural characteristics of non-decomposing C₇H₇⁺ ions from some methyl ethers on electron impact, Chem. Commun., 1971, 824. [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]

Schwarz, Bohlmann, et al., 1973
Schwarz, H.; Bohlmann, F.; Vorlaender, W., Elektronenstossinduzierte fragmenterung von polymethylbenzaldehyden. III. Bildung und zerfall des formyltropylium-dimethylbenzaldehyd, Org. Mass Spectrom., 1973, 7, 1005. [all data]

Akopyan, Vilesov, et al., 1975
Akopyan, M.E.; Vilesov, F.I.; Loginov, Y.V., Photoionization of amines and the monomolecular decomposition of excited molecular ions, Khim. Vys. Energ., 1975, 9, 327. [all data]

Audier, Bouchoux, et al., 1971
Audier, H.E.; Bouchoux, G.; Fetizon, M., Ionisation et fragmentation en spectrometrie de masse. II. Influence du substituant sur des fragmentations competitives en serie aromatique, Bull. Soc. Chim. Fr., 1971, 3, 858. [all data]

Katritzky, Watson, et al., 1990
Katritzky, A.R.; Watson, C.H.; Dega-Szafran, Z.; Eyler, J.R., Collisionally activated dissociation of N-alkylpyridinium cations to pyridine and alkyl cations in the gas phase, J. Am. Chem. Soc., 1990, 112, 2471. [all data]

Howe, Williams, et al., 1969
Howe, I.; Williams, D.H.; Kingston, D.G.I.; Tannenbaum, H.P., Substituent effects in the mass spectra of some - and -substituted methyl butyrates, J. Chem. Soc. B, 1969, 439. [all data]

Simoes, Schultz, et al., 1985
Simoes, J.A.M.; Schultz, J.C.; Beauchamp, J.L., Ion cyclotron resonance and photoelectron studies of the ionization energetics and thermochemical properties of Mn(CO)₅(benzyl). Implications for the manganese-manganese bond strength in Mn₂(CO)₁₀, Organometallics, 1985, 4, 1238. [all data]

Ward, Cooks, et al., 1969
Ward, R.S.; Cooks, R.d.; Williams, D.H., Substituent effects in mass spectrometry. Mass spectra of substituted phenyl benzyl ethers, J. Am. Chem. Soc., 1969, 91, 2727. [all data]

Innorta, Torroni, et al., 1973
Innorta, G.; Torroni, S.; Pignataro, S.; Mancini, V., The activation energy as guiding factor in the fragmentation of substituted diphenylmethanes, Org. Mass Spectrom., 1973, 7, 1399. [all data]

Opitz, Bruch, et al., 1992
Opitz, J.; Bruch, D.; Banert, K.; vonBunau, G., Multiphoton and electron impact ionization of izirines. Part II. 2,3-Dimethyl-1-azirine at 248 nm and 193 nm, Org. Mass Spectrom., 1992, 27, 1105. [all data]

McLafferty, Wachs, et al., 1970
McLafferty, F.W.; Wachs, T.; Lifshitz, C.; Innorta, G.; Irving, P., Substituent effects in unimolecular ion decompositions. XV. Mechanistic interpretations and the quasi-equilibrium theory, J. Am. Chem. Soc., 1970, 92, 6867. [all data]

Elder and Parr, 1969
Elder, F.A.; Parr, A.C., Photoionization of the cycloheptatrienyl radical, J. Chem. Phys., 1969, 50, 1027. [all data]

Polevoi, Matyuk, et al., 1987
Polevoi, A.V.; Matyuk, V.M.; Grigor'eva, G.A.; Potapov, V.K., Formation of intermediate products during the resonance stepwise polarization of dibenzyl ketone and benzil molecules, Russ. J. Phys. Chem., 1987, 21, 12. [all data]

Kuck and Grutzmacher, 1979
Kuck, D.; Grutzmacher, H.-Fr., The activation energy of the skeletal isomerization in the radical cations of toluene and cycloheptatriene by mass spectrometry of their 2-phenylethyl derivatives, Org. Mass Spectrom., 1979, 14, 86. [all data]

Kuck and Grutzmacher, 1978
Kuck, D.; Grutzmacher, H.F., Hydrogen rearrangement in molecular ions of alkyl benzenes: appearance potentials and substituent effects on the formation of [C₇H₈]⁺ ions, Org. Mass Spectrom., 1978, 13, 81. [all data]

King, 1965
King, A.B., Mass-spectral fragmentation of phenyl-n-alkanes, J. Chem. Phys., 1965, 42, 3526. [all data]

Notes

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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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