1,1'-Diphenyl-1,1'-bicyclopentyl

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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
Δfgas111. ± 2.2kJ/molCcbKratt, Beckhaus, et al., 1983ΔHfussion = 7.5±0.1 kcal/mol at 141°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
Δfsolid-30.0 ± 1.0kJ/molCcbKratt, Beckhaus, et al., 1983ΔHfussion = 7.5±0.1 kcal/mol at 141°C; ALS
Quantity Value Units Method Reference Comment
Δcsolid-12343.0 ± 1.0kJ/molCcbKratt, Beckhaus, et al., 1983ΔHfussion = 7.5±0.1 kcal/mol at 141°C; Corresponding Δfsolid = -30.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
375.5298.Kratt, Beckhaus, et al., 1983, 2Cp given as 0.309 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus414.KN/AKratt, Beckhaus, et al., 1983, 2Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Δsub141.kJ/molEKratt, Beckhaus, et al., 1983ΔHfussion = 7.5±0.1 kcal/mol at 141°C; ALS
Δsub141.0kJ/molN/AKratt, Beckhaus, et al., 1983DRB

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
141.4141.4E,BKratt, Beckhaus, et al., 1983, 2AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Method Reference Comment
31.38414.DSCKratt, Beckhaus, et al., 1983, 2AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References