Cyclohexane, methylene-
- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChI: InChI=1S/C7H12/c1-7-5-3-2-4-6-7/h1-6H2
- IUPAC Standard InChIKey: YULMNMJFAZWLLN-UHFFFAOYSA-N
- CAS Registry Number: 1192-37-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Methylenecyclohexane; 1-Methylenecyclohexane
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- 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 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 |
|---|---|---|---|---|---|
| ΔcH°liquid | -1054.6 | kcal/mol | Ccb | Konovalon, 1926 | Heat of combustion at 15°C; Corresponding ΔfHºliquid = -13.6 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 |
|---|---|---|---|
| 42.40 | 298.15 | Fuchs and Peacock, 1979 | DH |
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 377. ± 4. | K | AVG | N/A | Average of 20 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 168.430 | K | N/A | Streiff, 1964 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.03 K; TRC |
| Tfus | 168.440 | K | N/A | Streiff, 1964 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
| Tfus | 166.5 | K | N/A | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 8.63 ± 0.07 | kcal/mol | C | Fuchs and Peacock, 1979 | ALS |
| ΔvapH° | 8.63 ± 0.07 | kcal/mol | GCC | Fuchs and Peacock, 1979 | AC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.22 | 346. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 331. to 387. K. See also Meyer and Hotz, 1973.; 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.
Konovalon, 1926
Konovalon, D.-P.,
Sur Les Chaleurs de Combustion de Quelques hydrocarbures cycliques,
J. Chim. Phys., 1926, 23, 359-362. [all data]
Fuchs and Peacock, 1979
Fuchs, R.; Peacock, L.A.,
Heats of vaporization and gaseous heats of formation of some five- and six-membered ring alkenes,
Can. J. Chem., 1979, 57, 2302-2304. [all data]
Streiff, 1964
Streiff, A.J.,
, Am. Pet. Inst. Res. Proj. 58B Unpublished, 1964. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Meyer and Hotz, 1973
Meyer, Edwin F.; Hotz, Roger D.,
High-precision vapor-pressure data for eight organic compounds,
J. Chem. Eng. Data, 1973, 18, 4, 359-362, https://doi.org/10.1021/je60059a008
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization 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.