Cyclohexane, 1,2-dimethyl-, cis-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChIKey: KVZJLSYJROEPSQ-OCAPTIKFSA-N
- CAS Registry Number: 2207-01-4
- 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. - Species with the same structure:
- Stereoisomers:
- Other names: cis-1,2-Dimethylcyclohexane; 1,cis-2-Dimethylcyclohexane; Cyclohexane, 1,cis-2-dimethyl-; 1,2-cis-DimethyIcyclohexane; 1,2-Dimethylcyclohexane, cis; c-1,2-Dimethylcyclohexane
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Reaction thermochemistry data
Go To: Top, Henry's Law data, Gas phase ion energetics 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: 3H2 + C8H10 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -194.6 ± 0.84 | kJ/mol | Chyd | Dolliver, Gresham, et al., 1937 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -197.7 ± 0.84 kJ/mol; At 355 °K |
By formula: C8H16 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 6.7 ± 0.4 | kJ/mol | Eqk | Mann, 1968 | gas phase; At 593K |
By formula: C8H16 = C8H16
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 7. ± 1. | kJ/mol | Eqk | Anfilogova, Balenkova, et al., 1974 | gas phase |
Henry's Law 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
0.0028 | Q | N/A | missing citation give several references for the Henry's law constants but don't assign them to specific species. | |
0.0028 | L | N/A | ||
0.0028 | V | N/A |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Henry's Law 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
≤9.78 ± 0.05 | EI | Herzschuh and Sicker, 1981 | LLK |
9.90 ± 0.07 | EI | Lageot, 1971 | LLK |
10.08 ± 0.02 | EI | Natalis, 1964 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H9+ | 12.12 ± 0.05 | ? | EI | Natalis, 1964 | RDSH |
C5H10+ | 11.62 ± 0.08 | ? | EI | Natalis, 1964 | RDSH |
C6H10+ | 10.5 ± 0.1 | 2CH3 | EI | Lageot, 1971 | LLK |
C6H10+ | 10.62 ± 0.04 | C2H6 | EI | Natalis, 1964 | RDSH |
C6H11+ | 11.06 ± 0.02 | C2H5 | EI | Natalis, 1964 | RDSH |
C6H12+ | 11.17 ± 0.02 | C2H4 | EI | Natalis, 1964 | RDSH |
C7H13+ | 10.63 ± 0.05 | CH3 | EI | Herzschuh and Sicker, 1981 | LLK |
C7H13+ | 10.83 ± 0.05 | C2H5 | EI | Herzschuh and Sicker, 1981 | LLK |
C7H13+ | 10.55 ± 0.05 | CH3 | EI | Lageot, 1971 | LLK |
C7H13+ | 10.78 ± 0.02 | CH3 | EI | Natalis, 1964 | RDSH |
References
Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dolliver, Gresham, et al., 1937
Dolliver, M.a.; Gresham, T.L.; Kistiakowsky, G.B.; Vaughan, W.E.,
Heats of organic reactions. V. Heats of hydrogenation of various hydrocarbons,
J. Am. Chem. Soc., 1937, 59, 831-841. [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]
Mann, 1968
Mann, G.,
Conformation and physical data of alkanes and cyclanes. IV. Conformation energy of gauche-anticonformers,
Tetrahedron, 1968, 24, 6495-65. [all data]
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]
Herzschuh and Sicker, 1981
Herzschuh, R.; Sicker, A.,
Stereochemische einflusse auf die ionisations- und auftrittsenergien cis/trans-isomerer dimethylcycloalkane,
Z. Chem., 1981, 21, 409. [all data]
Lageot, 1971
Lageot, C.,
Potentiel d'ionisation, potentiel d'apparition et courbes d'ionisation differentielle pour les 1-2 dimethylcyclohexanes cis et trans,
Org. Mass Spectrom., 1971, 5, 839. [all data]
Natalis, 1964
Natalis, P.,
Etude du comportement d'isomeres geometriques sous l'impact electronique. V. Comparaison des donnees obtenues, par differentes methodes, pour les 1,2-dimethylcyclohexanes cis et trans,
Bull. Soc. Chim. Belges, 1964, 73, 961. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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