1,1'-Diphenyl-1,1'-bicyclopentyl
- Formula: C22H26
- Molecular weight: 290.4418
- IUPAC Standard InChI: InChI=1S/C22H26/c1-3-11-19(12-4-1)21(15-7-8-16-21)22(17-9-10-18-22)20-13-5-2-6-14-20/h1-6,11-14H,7-10,15-18H2
- IUPAC Standard InChIKey: MJIRQUDRSKNXSM-UHFFFAOYSA-N
- CAS Registry Number: 59358-70-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change 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 |
|---|---|---|---|---|---|
| ΔfH°gas | 111. ± 2.2 | kJ/mol | Ccb | Kratt, Beckhaus, et al., 1983 | ΔHfussion = 7.5±0.1 kcal/mol at 141°C |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change 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 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 |
|---|---|---|---|---|---|
| ΔfH°solid | -30.0 ± 1.0 | kJ/mol | Ccb | Kratt, Beckhaus, et al., 1983 | ΔHfussion = 7.5±0.1 kcal/mol at 141°C; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -12343.0 ± 1.0 | kJ/mol | Ccb | Kratt, Beckhaus, et al., 1983 | ΔHfussion = 7.5±0.1 kcal/mol at 141°C; Corresponding ΔfHºsolid = -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 |
|---|---|---|---|
| 375.5 | 298. | Kratt, Beckhaus, et al., 1983, 2 | Cp given as 0.309 cal/g*K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 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 |
|---|---|---|---|---|---|
| Tfus | 414. | K | N/A | Kratt, Beckhaus, et al., 1983, 2 | Uncertainty assigned by TRC = 1. K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 141. | kJ/mol | E | Kratt, Beckhaus, et al., 1983 | ΔHfussion = 7.5±0.1 kcal/mol at 141°C; ALS |
| ΔsubH° | 141.0 | kJ/mol | N/A | Kratt, Beckhaus, et al., 1983 | DRB |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 141.4 | 141.4 | E,B | Kratt, Beckhaus, et al., 1983, 2 | AC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 31.38 | 414. | DSC | Kratt, Beckhaus, et al., 1983, 2 | AC |
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
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.