Pentacyclo[5.4.0.0(2,6).0(3,10).0(5,9)]undecane-8,11-dione
- Formula: C11H10O2
- Molecular weight: 174.1959
- IUPAC Standard InChIKey: WTUFOKOJVXNYTJ-UHFFFAOYSA-N
- CAS Registry Number: 2958-72-7
- 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. - Other names: Pentacyclo[5.4.0.02,6.03,10.05,9]undecan-8,11-dione; Pentacyclo[5.4.0.02,6.03,10.05,9]undecan-8,11-dione
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- 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.
Condensed phase thermochemistry data
Go To: Top, 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°solid | -198.3 | kJ/mol | Ccb | Cookson, Crundwell, et al., 1964 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5559.57 | kJ/mol | Ccb | Cookson, Crundwell, et al., 1964 | Corresponding ΔfHºsolid = -198.2 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, 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
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 516.8 | K | N/A | Weinstein, Leffler, et al., 1984 | Crystal phase 1 phase; Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 92.6 ± 1.0 | kJ/mol | ME | Jiménez, Roux, et al., 1999 | AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
5.23 | 516.8 | DSC | Jiménez, Roux, et al., 1999 | AC |
3.94 | 516.8 | DSC | Weinstein, Leffler, et al., 1984, 2 | There is a large difference in the experimental enthalpies and transition temperature reported by the two research groups for the solid/solid transition around 355 K; AC |
References
Go To: Top, 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.
Cookson, Crundwell, et al., 1964
Cookson, R.C.; Crundwell, E.; Hill, R.R.; Hudec, J.,
586. Photochemical cyclisation of Diels-Alder adducts.,
J. Chem. Soc., 1964, 3062-3075. [all data]
Weinstein, Leffler, et al., 1984
Weinstein, D.I.; Leffler, A.J.; Currie, J.A.,
Phase Transitions in Bicyclic Compounds,
Mol. Cryst. Liq. Cryst., 1984, 104, 95. [all data]
Jiménez, Roux, et al., 1999
Jiménez, P.; Roux, M.V.; Dávalos, J.Z.; Abboud, J.-L.M.; Molina, M.T.,
Structural effects on the thermochemical properties of cycloalkanones. III. Enthalpy of combustion, vapour pressures, and enthalpy of sublimation, and standard enthalpy of formation in the gaseous phase of pentacyclo[5.4.0.02,6.03,10.05,9]undecane-8,11-dione,
The Journal of Chemical Thermodynamics, 1999, 31, 2, 263-271, https://doi.org/10.1006/jcht.1998.0450
. [all data]
Weinstein, Leffler, et al., 1984, 2
Weinstein, D.I.; Leffler, A.J.; Currie, J.A.,
Phase Transitions In Bicyclic Compounds,
Molecular Crystals and Liquid Crystals, 1984, 104, 1-2, 95-109, https://doi.org/10.1080/00268948408070401
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion 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.