Dibenzoylmethane

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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
Δfgas-109.2 ± 2.0kJ/molCmRibeiro da Silva and Monte, 1992 

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), References, Notes

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
LL - Sharon G. Lias and Joel F. Liebman

Ionization energy determinations

IE (eV) Method Reference Comment
8.3PEMcAlduff and Bunbury, 1979LLK
8.45 ± 0.05PEMcAlduff and Bunbury, 1979Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C9H7O2+10.59C6H5ESTTakhistov and Ponomarev, 1994LL
C9H7O2+11.73C6H5EITakhistov and Ponomarev, 1994Unpublished result of N.S.Khlebnikova, V.M.Orlov, D.A.Ponomarev, and V.V.Takhistov; LL

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-2252
NIST MS number 227988

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References

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Ribeiro da Silva and Monte, 1992
Ribeiro da Silva, M.A.V.; Monte, M.J.S., Vapour pressures and standard molar enthalpies of sublimation of four crystalline B-diketones, J. Chem. Thermodyn., 1992, 24, 1219-1228. [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]

Takhistov and Ponomarev, 1994
Takhistov, V.V.; Ponomarev, D.A., Isodesmic reactions and thermochemistry of ions, Org. Mass Spectrom., 1994, 29, 395. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References