Cycloheptane, methyl-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChI: InChI=1S/C8H16/c1-8-6-4-2-3-5-7-8/h8H,2-7H2,1H3
- IUPAC Standard InChIKey: GYNNXHKOJHMOHS-UHFFFAOYSA-N
- CAS Registry Number: 4126-78-7
- 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: Methylcycloheptane
- 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.
Phase change data
Go To: Top, Reaction 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 407.2 | K | N/A | Weast and Grasselli, 1989 | BS |
| Tboil | 407. | K | N/A | Ruzicka and Seidel, 1936 | Uncertainty assigned by TRC = 3. K; TRC |
| Tboil | 407. | K | N/A | Zubov, 1913 | Uncertainty assigned by TRC = 3. K; TRC |
| Tboil | 407. | K | N/A | Zelinskii, 1905 | Uncertainty assigned by TRC = 3. K; TRC |
Reaction 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
+
=
By formula: H2 + C8H14 = C8H16
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -109.9 ± 0.59 | kJ/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid |
| ΔrH° | -109.9 ± 0.59 | kJ/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid |
+
=
By formula: H2 + C8H14 = C8H16
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -100.5 ± 0.4 | kJ/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid |
| ΔrH° | -100.5 ± 0.4 | kJ/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid |
4 +
=
By formula: 4H2 + C8H8 = C8H16
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -387.6 ± 1.7 | kJ/mol | Chyd | Turner, Meador, et al., 1957 | solid phase; solvent: Diethylcarbitol |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Ruzicka and Seidel, 1936
Ruzicka, L.; Seidel, C.F.,
Helv. Chim. Acta, 1936, 19, 424. [all data]
Zubov, 1913
Zubov, P.W.,
Zh. Russ. Fiz.-Khim. O-va., Chast Khim., 1913, 45, 240. [all data]
Zelinskii, 1905
Zelinskii, N.D.,
Zh. Russ. Fiz.-Khim. O-va., 1905, 37, 962. [all data]
Turner and Garner, 1958
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1958, 80, 1424-1430. [all data]
Turner and Garner, 1957
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1957, 80, 1424-1430. [all data]
Turner, Meador, et al., 1957
Turner, R.B.; Meador, W.R.; Doering, W.E.; Knox, L.H.; Mayer, J.R.; Wiley, D.W.,
Heats of hydrogenation. III. Hydrogenation of cycllooctatetraene and of some seven-membered non-benzenoid aromatic compounds,
J. Am. Chem. Soc., 1957, 79, 4127-4133. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point ΔrH° Enthalpy of reaction 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.