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:
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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 | 80.1 ± 1.8 | kJ/mol | Ccb | Good, Scott, et al., 1977 | crystal phase; ALS |
| ΔfH°solid | 80.1 ± 1.8 | kJ/mol | Ccb | Douslin, Scott, et al., 1976 | crystal phase; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -10808.7 ± 1.5 | kJ/mol | Ccb | Good, Scott, et al., 1977 | crystal phase; Corresponding ΔfHºsolid = 80.17 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°solid | -10808.7 ± 1.5 | kJ/mol | Ccb | Douslin, Scott, et al., 1976 | crystal phase; Corresponding ΔfHºsolid = 80.17 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 333.4 | 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
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