cis-1,2-Dimethylcycloheptane
- Formula: C9H18
- Molecular weight: 126.2392
- IUPAC Standard InChI: InChI=1S/C9H18/c1-8-6-4-3-5-7-9(8)2/h8-9H,3-7H2,1-2H3/t8-,9+
- IUPAC Standard InChIKey: CLYDEJQPKBFLJW-DTORHVGOSA-N
- CAS Registry Number: 13151-51-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
=
By formula: C9H18 = C9H18
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 0.7 ± 0.3 | kcal/mol | Eqk | Anfilogova, Balenkova, et al., 1974 | gas phase |
| ΔrH° | 0.54 ± 0.02 | kcal/mol | Eqk | Allinger and Pamphilis, 1973 | liquid phase; solvent: Pentane |
=
By formula: C9H18 = C9H18
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -0.7 | kcal/mol | Ciso | Mann, Muhlstadt, et al., 1968 | liquid phase |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Anfilogova, Balenkova, et al., 1974
Anfilogova, S.N.; Balenkova, E.S.; Dmitriev, A.B.,
Relative stability of cis- and trans-1,2-dimethylcycloheptanes and 1,2-dimethylcyclooctanes,
Neftekhimiya, 1974, 14, 673-676. [all data]
Allinger and Pamphilis, 1973
Allinger, N.L.; Pamphilis, N.A.,
Conformational analysis. 89. Sterochemical studies of some dimethylated six- and seven-membered-ring hydrocarbons,
J. Org. Chem., 1973, 38, 316-319. [all data]
Mann, Muhlstadt, et al., 1968
Mann, G.; Muhlstadt, M.; Muller, R.; Kern, E.; Hadeball, W.,
Conformation and physical data of alkanes and cyclanes. V. Dimethylcycloheptanes,
Tetrahedron, 1968, 24, 6941-6949. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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