5,6,6a,7,8,12b,12c-Octahydrodibenzo[a,i]biphenylene
- Formula: C20H20
- Molecular weight: 260.3728
- IUPAC Standard InChI: InChI=1S/C20H20/c1-3-7-15-13(5-1)9-11-17-18-12-10-14-6-2-4-8-16(14)20(18)19(15)17/h1-8,17-20H,9-12H2
- IUPAC Standard InChIKey: LKMAMCWAHCZBAI-UHFFFAOYSA-N
- CAS Registry Number: 42182-84-3
- 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:
Condensed phase thermochemistry data
Go To: Top, 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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | 19.15 ± 0.43 | kcal/mol | Ccb | Good, Scott, et al., 1977 | crystal phase; ALS |
| ΔfH°solid | 19.15 ± 0.43 | kcal/mol | Ccb | Douslin, Scott, et al., 1976 | crystal phase; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -2583.33 ± 0.36 | kcal/mol | Ccb | Good, Scott, et al., 1977 | crystal phase; Corresponding ΔfHºsolid = 19.16 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°solid | -2583.33 ± 0.36 | kcal/mol | Ccb | Douslin, Scott, et al., 1976 | crystal phase; Corresponding ΔfHºsolid = 19.16 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 79.68 | 298.15 | Good, Scott, et al., 1978 | Cp = 0.306 cal/g.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Good, Scott, et al., 1977
Good, W.D.; Scott, D.W.; Smith, N.K.,
Thermodynamics of organic compounds, Rpt. AFOSR-TR-77-1308 prepared forAF Off. Sci. Res./NA Washington,DC contract no. AFOSR-ISSA-77-0002 by the Bartlesville Energy Res. Ctr. OK, 1977, 1-14. [all data]
Douslin, Scott, et al., 1976
Douslin, D.R.; Scott, D.W.; Good, W.D.; Osborn, A.G.,
Thermodynamic properties of organic compounds and thermodynamic properties of fluids,
Gov. Rep. Announce. Index U.S., 1976, 76, 97. [all data]
Good, Scott, et al., 1978
Good, W.D.; Scott, D.W.; Smith, N.K.; Lee-Bechtold, S.; Osborn, A.G.,
Thermodynamics of Organic Compounds,
U.S. Dept. of Energy Report, 1978, AFOSR-TR-79-0197, 20pp. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid 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.