1,3-Butanedione, 1-phenyl-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-244.1 ± 2.9kJ/molCmRibeiro da Silva and Monte, 1992ALS
Δfgas-251.3 ± 2.9kJ/molCcbFerrao and Ribeiro Da Silva, 1981ALS
Δfgas-284.4kJ/molN/AFarrar and Jones, 1964Value computed using ΔfHliquid° value of -340±4.6 kj/mol from Farrar and Jones, 1964 and ΔvapH° value of 55.6 kj/mol from missing citation.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References, Notes

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
Δfliquid-340. ± 4.6kJ/molCcbFarrar and Jones, 1964 
Quantity Value Units Method Reference Comment
Δcliquid-5024.5 ± 5.4kJ/molCcbFarrar and Jones, 1964Corresponding Δfliquid = -339.7 kJ/mol (simple calculation by NIST; no Washburn corrections)
Quantity Value Units Method Reference Comment
Δfsolid-335.1 ± 2.8kJ/molCcbFerrao and Ribeiro Da Silva, 1981 
Quantity Value Units Method Reference Comment
Δcsolid-5029.1 ± 2.5kJ/molCcbFerrao and Ribeiro Da Silva, 1981Corresponding Δfsolid = -335.2 kJ/mol (simple calculation by NIST; no Washburn corrections)

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:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman

Ionization energy determinations

IE (eV) Method Reference Comment
9.10EIOrlov, Rashkes, et al., 1988LL

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H5O+10.20C3H5OEIOrlov, Rashkes, et al., 1988LL

De-protonation reactions

C10H9O2- + Hydrogen cation = 1,3-Butanedione, 1-phenyl-

By formula: C10H9O2- + H+ = C10H10O2

Quantity Value Units Method Reference Comment
Δr1422. ± 9.6kJ/molG+TSCumming and Kebarle, 1978gas phase; B
Quantity Value Units Method Reference Comment
Δr1393. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase; B

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.

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]

Ferrao and Ribeiro Da Silva, 1981
Ferrao, M.L.C.C.H.; Ribeiro Da Silva, M.A.V., Enthalpies of combustion of four methyl-substituted heptane-3,5-diones and benzoylacetone, J. Chem. Thermodyn., 1981, 13, 567-571. [all data]

Farrar and Jones, 1964
Farrar, D.T.; Jones, M.M., Heats of combustion and bond energies in some octahedral iron(III) complexes with β-diketones, J. Phys. Chem., 1964, 68, 1717-1721. [all data]

Orlov, Rashkes, et al., 1988
Orlov, V.M.; Rashkes, Y.V.; Siretskaya, T.V.; Takhistov, V.V., Thermochemical description of tutomeric transformations in ionized 1,3-diketones, J. Gen. Chem. USSR, 1988, 58, 374. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References