Cyclohexane, 1,3,5-trimethyl-, (1α,3α,5α)-

• Formula: C₉H₁₈
• Molecular weight: 126.2392
• IUPAC Standard InChI: InChI=1S/C9H18/c1-7-4-8(2)6-9(3)5-7/h7-9H,4-6H2,1-3H3/t7-,8+,9- Copy

  
• IUPAC Standard InChIKey: ODNRTOSCFYDTKF-AYMMMOKOSA-N Copy
• CAS Registry Number: 1795-27-3
• 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:
  • cis-1,3,5-Trimethylcyclohexene
  • cis,cis,cis-1.3.5-Trimethylcyclohexane
• Stereoisomers:
  • Cyclohexane, 1,3,5-trimethyl-, (1α,3α,5β)-
  • Cyclohexane, 1,3,5-trimethyl-
  • trans-1,3,5-Trimethylcyclohexene
• Other names: Cyclohexane, 1,3,5-trimethyl-, cis-; cis-1,3,5-Trimethylcyclohexane; (1α,3α,5α)-1,3,5-Trimethyl-cyclohexane; 1,cis-3,cis-5-Trimethylcyclohexane; cis,cis-1,3,5-Trimethylcyclohexane; 1,3,5-cis-Trimethylcyclohexane; 1,3,5-Trimethylcyclohexane, cis, cis; Cyclohexane, 1,3,5-trimethyl-, (1α,3α,5α)-cis; 1,3,5-trimethylcyclohexane, cis
• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Gas phase 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

Phase change 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

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

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

2 + 6 =  + 

By formula: 2C₉H₁₂ + 6H₂ = C₉H₁₈ + C₉H₁₈

=

By formula: C₉H₁₈ = C₉H₁₈

=

By formula: C₉H₁₈ = C₉H₁₈

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Egan and Buss, 1959
Egan, C.J.; Buss, W.C., Determination of the equilibrium constants for the hydrogenation of mesitylene. The thermodynamic properties of the 1,3,5-trimethylcyclohexanes, J. Phys. Chem., 1959, 63, 1887-1889. [all data]

Streiff, Schultz, et al., 1960
Streiff, A.J.; Schultz, L.H.; Krouskop, N.C.; Moore, J.W.; Rossini, F.D., Purification, Purity, and Freezing Points of 16 API Standard and API Research Hydrocarbons, J. Chem. Eng. Data, 1960, 5, 193-5. [all data]

Timmermans, 1952
Timmermans, J., Freezing points of organic compounds. VVI New determinations., Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]

Chiurdoglu, 1951
Chiurdoglu, G., Determination of cis-trans isomerism in cyclanes by means of the chiurdoglu rule: II pairs of trisubstituted stereoisomers, Bull. Soc. Chim. Belg., 1951, 60, 39. [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]

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]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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