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4,5-Diethyl-4,5-bis-(4-tert-butylphenyl)-octane


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
Deltafgas-53.6 ± 1.1kcal/molCcbKratt, Beckhaus, et al., 1983«DELTA»Hfussion = 8.2±0.1 kcal/mol at 119°C

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafsolid-97.23 ± 0.83kcal/molCcbKratt, Beckhaus, et al., 1983«DELTA»Hfussion = 8.2±0.1 kcal/mol at 119°C; ALS
Quantity Value Units Method Reference Comment
Deltacsolid-4620.28 ± 0.83kcal/molCcbKratt, Beckhaus, et al., 1983«DELTA»Hfussion = 8.2±0.1 kcal/mol at 119°C; Corresponding «DELTA»fsolid = -97.23 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
147.8298.Kratt, Beckhaus, et al., 1983, 2Cp given as 0.340 cal/g*K.; DH

Phase change 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
Deltasub43.6kcal/molEKratt, Beckhaus, et al., 1983«DELTA»Hfussion = 8.2±0.1 kcal/mol at 119°C; ALS
Deltasub43.69kcal/molN/AKratt, Beckhaus, et al., 1983DRB

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.

Kratt, Beckhaus, et al., 1983
Kratt, G.; Beckhaus, H.D.; Bernlohr, W.; Ruchardt, C., Thermolabile kohlenwasserstoffe. XVII. Verbrennungsenthalpie und bildungsenthalpie von zehn sym.-tetraalkyl-1,2-diarylethanen, Thermochim. Acta, 1983, 62, 279-194. [all data]

Kratt, Beckhaus, et al., 1983, 2
Kratt, G.; Beckhaus, H.D.; Bernioehr, W.; Ruechardt, C., Thermolabile hydrocarbons. XVII. Enthalpies of combustion and formation of ten sym-tetraalkyl-1,2-diarylethanes, Thermochim. Acta, 1983, 62, 279-294. [all data]


Notes

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