Dodecylcyclohexane
- Formula: C18H36
- Molecular weight: 252.4784
- IUPAC Standard InChI: InChI=1S/C18H36/c1-2-3-4-5-6-7-8-9-10-12-15-18-16-13-11-14-17-18/h18H,2-17H2,1H3
- IUPAC Standard InChIKey: BLRBGKYYWDBAQQ-UHFFFAOYSA-N
- CAS Registry Number: 1795-17-1
- 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: n-Dodecyl cyclohexane; Cyclohexane, dodecyl-
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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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -467.6 ± 3.6 | kJ/mol | Ccb | Moore, Renquist, et al., 1940 | Reanalyzed by Cox and Pilcher, 1970, Original value = -471.24 kJ/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -11850.3 ± 2.6 | kJ/mol | Ccb | Prosen, Johnson, et al., 1946 | Corresponding ΔfHºliquid = -377.9 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -11760.6 ± 3.5 | kJ/mol | Ccb | Moore, Renquist, et al., 1940 | Reanalyzed by Cox and Pilcher, 1970, Original value = -11755.5 ± 3.5 kJ/mol; Corresponding ΔfHºliquid = -467.56 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 |
|---|---|---|---|
| 615.5 | 298.15 | Parks, Moore, et al., 1949 | Extrapolation below 80 K, 119.3 J/mol*K.; 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.
Moore, Renquist, et al., 1940
Moore, G.E.; Renquist, M.L.; Parks, G.S.,
Thermal data on organic compounds. XX. Modern combustion data for two methylnonanes, methyl ethyl ketone, thiophene and six cycloparaffins,
J. Am. Chem. Soc., 1940, 62, 1505-1507. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D.,
Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons,
J. Res. NBS, 1946, 37, 51-56. [all data]
Parks, Moore, et al., 1949
Parks, G.S.; Moore, G.E.; Renquist, M.L.; Naylor, B.F.; McClaine, L.A.; Fujii, P.S.; Hatton, J.A.,
Thermal data on organic compounds. XXV. Some heat capacity, entropy and free energy data for nine hydrocarbons of high molecular weight,
J. Am. Chem. Soc., 1949, 71, 3386-3389. [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°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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