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

• 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-FBJIGQNJSA-N Copy
• CAS Registry Number: 1795-26-2
• 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:
  • trans-1,3,5-Trimethylcyclohexene
• Stereoisomers:
  • Cyclohexane, 1,3,5-trimethyl-, (1α,3α,5α)-
  • Cyclohexane, 1,3,5-trimethyl-
  • cis-1,3,5-Trimethylcyclohexene
  • cis,cis,cis-1.3.5-Trimethylcyclohexane
• Other names: Cyclohexane, 1,3,5-trimethyl-, trans-; 1-trans-3,5-Trimethylcyclohexane; 1,cis-3,trans-5-Trimethylcyclohexane; cis,cis,trans-1,3,5-trimethylcyclohexane; 1,3(Z),5(E)-Trimethylcyclohexane; 1,3,5-trans-Trimethylcyclohexane; trans-1,3,5-Trimethylcyclohexane; Cyclohexane, 1,3,5-trimethyl-, (1α,3α,5β)-trans
• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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.

Gas phase thermochemistry data

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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

Phase change data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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

2 + 6 =  + 

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

=

By formula: C₉H₁₈ = C₉H₁₈

=

By formula: C₉H₁₈ = C₉H₁₈

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

View large format table.

Kovats' RI, non-polar column, temperature ramp

View large format table.

Van Den Dool and Kratz RI, non-polar column, temperature ramp

View large format table.

Normal alkane RI, non-polar column, temperature ramp

View large format table.

References

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

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]

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]

Chiurdoglu, Fierens, et al., 1950
Chiurdoglu, G.; Fierens, P.J.C.; Henkert, C., Equilibrium Isomerization of Cyclic Hydrocarbons II. Isomerization by Aluminum Chloride of Cyclophentane and Cyclohexane Hydrocarbons, C9H18, Bull. Soc. Chim. Belg., 1950, 59, 156. [all data]

Anonymous, 1949
Anonymous, R., , Am. Pet. Inst. Res. Proj. 45, Ohio State Univ., 1949. [all data]

Chiurdoglu, 1944
Chiurdoglu, G., Bull. Soc. Chim. Belg., 1944, 53, 55. [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]

Powell, Swinton, et al., 1970
Powell, R.J.; Swinton, F.L.; Young, C.L., The thermodynamic properties of fluorocarbon-hycrocarbon mixtures 3. Gas- Liquid critical temperatures and a comparison with the theory of Rowlinson and Sutton, J. Chem. Thermodyn., 1970, 2, 105. [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]

Lunskii and Paizanskaya, 1988
Lunskii, M.Kh.; Paizanskaya, I.L., Identification of hydrocarbons C₁-C₉ of petrol fractions of oils and condensates in the use of capillary columns with dinonylphthalate, Zh. Anal. Khim., 1988, 43, 127-135. [all data]

Nabivach and Kirilenko, 1980
Nabivach, V.M.; Kirilenko, A.V., Relationship between the gas chromatographic behaviour and the molecular structure of hydrocarbon samples and various stationary phases. Part II. Correlation between the retention index, physicochemical properties and molecular structure, Chromatographia, 1980, 13, 2, 93-100, https://doi.org/10.1007/BF02263060 . [all data]

Sidorov, Petrova, et al., 1972
Sidorov, R.I.; Petrova, V.I.; Ivanova, M.P., Qualitative analysis of wide-boiling fraction C5-C10 with capillary chromatography in Processes in chromatographic columns. Vol.17, 1972, 14-25. [all data]

Sidorov, Ivanova, et al., 1971
Sidorov, R.I.; Ivanova, M.P.; Petrova, V.I., Temperature dependence of cycloalkane's retention and its using in identification of structure, Gazovaya Khromatografiya, 1971, 15, 18-26. [all data]

Mitra and Saha, 1970
Mitra, G.D.; Saha, N.C., Determination of Retention Indices of Saturated Hydrocarbons by Graphical Methods, J. Chromatogr. Sci., 1970, 8, 2, 95-102, https://doi.org/10.1093/chromsci/8.2.95 . [all data]

Antheaume and Guiochon, 1965
Antheaume, J.; Guiochon, G., Application de la chromatographie en phase gazeuse à l'étude de la composition des fractions moyennes d'un brut pétrolier, Bull. Soc. Chim. Fr., 1965, 2, 298-307. [all data]

Hayes and Pitzer, 1982
Hayes, P.C., Jr.; Pitzer, E.W., Characterizing petroleum- and shale-derived jet fuel distillates via temperature-programmed Kováts indices, J. Chromatogr., 1982, 253, 179-198, https://doi.org/10.1016/S0021-9673(01)88376-X . [all data]

Louis, 1971
Louis, R., Kovats-index-tafeln zur gaschromatographischen analyse von kohlenwasserstoffgemischen, Erdoel Kohle Erdgas Petrochem., 1971, 24, 2, 88-94. [all data]

Yin, Liu, et al., 2001
Yin, C.; Liu, W.; Li, Z.; Pan, Z.; Lin, T.; Zhang, M., Chemometrics to chemical modeling: structural coding in hydrocarbons and retention indices of gas chromatography, J. Sep. Sci., 2001, 24, 3, 213-220, https://doi.org/10.1002/1615-9314(20010301)24:3<213::AID-JSSC213>3.0.CO;2-4 . [all data]

Hayes and Pitzer, 1981
Hayes, P.C., Jr.; Pitzer, E.W., Kovats indices as a tool in characterizing hydrocarbon fuels in temperature programmed glass capillary gas chromatography. Part 1. Qualitative identification, Inhouse rpt. for Air Force Wright Aeronautical Labs., Air Force Wright Aeronautical Labs., Wright-Patterson AFB, Ohio, 1981, 75. [all data]

Sojak, Kubinec, et al., 2006
Sojak, L.; Kubinec, R.; Jurdakova, H.; Hajekova, E.; Bajus, M., GC-MS of polyethylene and polypropylene thermal cracking produxts, Petroleum Coal, 2006, 48, 1, 1-14. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  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.