Di-tert-butyl peroxide

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Condensed 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
Δfliquid-91.01 ± 0.48kcal/molCcbDiogo, Minas da Piedade, et al., 1995 
Δfliquid-91.9kcal/molCcbIslam, 1980 
Δfliquid-91.1kcal/molCcbBaker, Littlefair, et al., 1965 
Quantity Value Units Method Reference Comment
Δcliquid-1276.2 ± 0.38kcal/molCcbDiogo, Minas da Piedade, et al., 1995Corresponding Δfliquid = -91.01 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1275.4kcal/molCcbIslam, 1980Corresponding Δfliquid = -91.8 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1276.2 ± 0.2kcal/molCcbBaker, Littlefair, et al., 1965Corresponding Δfliquid = -91.0 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1275.0kcal/molCcbVaughan, 1951Corresponding Δfliquid = -92.2 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-1273.kcal/molCcbRaley, Rust, et al., 1948Corresponding Δfliquid = -94. kcal/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:
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
8.78PECoughlin, Brown, et al., 1979Vertical value; LLK
8.78PEBatich and Adam, 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C4H9O2+9.72C4H9EIHolmes, Lossing, et al., 1991LL

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.

Diogo, Minas da Piedade, et al., 1995
Diogo, H.P.; Minas da Piedade, M.E.; Simoes, J.A.M.; Nagano, Y., Standard enthalpy of formation and enthalpy of vaporization of di-1,1-dimethylethyl perioxide. Re-evaluation of the standard enthalpy of formation of the di-1,1-dimethylethoxy radical, J. Chem. Thermodyn., 1995, 27, 597-604. [all data]

Islam, 1980
Islam, T.S.A., Heats of combustion of di-tert-butyl and di-tert-amyl peroxides and their RO-OR bond dissociation energies, Dacca Univ. Stud., Part B, 1980, 28, 1-4. [all data]

Baker, Littlefair, et al., 1965
Baker, G.; Littlefair, J.H.; Shaw, R.; Thynne, J.C.J., 1286. The heats of formation of dimethyl, diethyl, and di-t-butyl peroxide, J. Chem. Soc., 1965, 6970-6972. [all data]

Vaughan, 1951
Vaughan, W.E., General discussion (communicated), Discuss. Faraday Soc., 1951, 10, 330. [all data]

Raley, Rust, et al., 1948
Raley, J.H.; Rust, F.F.; Vaughan, W.E., Decompositions of Di-t-alkyl peroxides. I. Kinetics, J. Am. Chem. Soc., 1948, 70, 88-94. [all data]

Coughlin, Brown, et al., 1979
Coughlin, D.J.; Brown, R.S.; Salomon, R.G., The prostaglandin endoperoxide nucleus and related bicyclic peroxides. Synthetic and spectroscopic studies, J. Am. Chem. Soc., 1979, 101, 1533. [all data]

Batich and Adam, 1974
Batich, C.; Adam, W., The photoelectron spectra of alkylperoxides, Tetrahedron Lett., 1974, 1467. [all data]

Holmes, Lossing, et al., 1991
Holmes, J.L.; Lossing, F.P.; Mayer, P.M., Heats of formation of oxygen-containing organic free radicals from appearance energy measurements, J. Am. Chem. Soc., 1991, 113, 9723. [all data]


Notes

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