trans-1,2-Dimethylcycloheptane
- Formula: C9H18
- Molecular weight: 126.2392
- IUPAC Standard InChIKey: CLYDEJQPKBFLJW-IUCAKERBSA-N
- CAS Registry Number: 13151-50-3
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, Gas Chromatography, 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: 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 |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 70. | 941. | Schomburg, 1966 |
References
Go To: Top, Reaction thermochemistry data, Gas Chromatography, 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]
Schomburg, 1966
Schomburg, G.,
Gaschromatographische Retentionsdaten und struktur chemischer verbindungen. III. Alkylverzweigte und ungesättigte cyclische Kohlenwasserstoffe,
J. Chromatogr., 1966, 23, 18-41, https://doi.org/10.1016/S0021-9673(01)98653-4
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas Chromatography, 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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