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Ethanedione, diphenyl-

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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 compiled as indicated in comments:
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

Ionization energy determinations

IE (eV) Method Reference Comment
8.68 ± 0.05PIPolevoi, Matyuk, et al., 1987LBLHLM
8.72EIElder, Beynon, et al., 1976LLK
8.86 ± 0.15EIScheppele, Mitchum, et al., 1973LLK
8.78 ± 0.05EINatalis and Franklin, 1965RDSH
8.9 ± 0.05PEMcAlduff and Bunbury, 1979Vertical value; LLK
9.1PEArnett, Newkome, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H5+15.1 ± 0.2?EINatalis and Franklin, 1965RDSH
C7H5O+9.43 ± 0.05C6H5COPIPolevoi, Matyuk, et al., 1987LBLHLM
C7H5O+9.64C6H5COEIElder, Beynon, et al., 1976LLK
C7H5O+9.70 ± 0.05?EINatalis and Franklin, 1965RDSH


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.

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]

Elder, Beynon, et al., 1976
Elder, J.F.; Beynon, J.H.; Cooks, R.G., The benzoyl ion. Thermochemistry and kinetic energy release, Org. Mass Spectrom., 1976, 11, 415. [all data]

Scheppele, Mitchum, et al., 1973
Scheppele, S.E.; Mitchum, R.K.; Kinneberg, K.F.; Meisels, G.G.; Emmel, R.H., Internal energy distributions and the fragmentation of gaseous organic ions. Dissociation of ions produced by electron impact on 4-methylbenzil, J. Am. Chem. Soc., 1973, 95, 5105. [all data]

Natalis and Franklin, 1965
Natalis, P.; Franklin, J.L., Ionization and dissociation of diphenyl and condensed ring aromatics by electron impact. II. Diphenylcarbonyls and ethers, J. Phys. Chem., 1965, 69, 2943. [all data]

McAlduff and Bunbury, 1979
McAlduff, E.J.; Bunbury, D.L., Photoelectron spectra of some aromatic mono-and di-ketones, J. Electron Spectrosc. Relat. Phenom., 1979, 17, 81. [all data]

Arnett, Newkome, et al., 1974
Arnett, J.F.; Newkome, G.; Mattice, W.L.; McGlynn, S.P., Excited electronic states of the «alpha»-dicarbonyls, J. Am. Chem. Soc., 1974, 96, 4385. [all data]


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