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Cyclohexane, (1,1-dimethylethyl)-

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Condensed 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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
264.8313.Gudinowicz, Campbell, et al., 1963T = 313 to 423 K.

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil444. ± 3.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus231.95KN/ABoord, Perilstein, et al., 1944Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc659.KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap46.98kJ/molN/AMajer and Svoboda, 1985 

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
37.01444.7N/AMajer and Svoboda, 1985 
42.9370.AStephenson and Malanowski, 1987Based on data from 355. - 446. K. See also Forziati, Norris, et al., 1949.; AC
45.0 ± 0.1328.CSvoboda, Charvátová, et al., 1981AC
44.0 ± 0.1343.CSvoboda, Charvátová, et al., 1981AC
43.0 ± 0.1358.CSvoboda, Charvátová, et al., 1981AC
42.4 ± 0.1368.CSvoboda, Charvátová, et al., 1981AC

Enthalpy of vaporization

ΔvapH = A exp(-αTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) 328. - 368.
A (kJ/mol) 65.82
alpha 0.3201
beta 0.3201
Tc (K) 659.
ReferenceMajer and Svoboda, 1985

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference
357.18 - 445.823.979391500.118-67.227Forziati, Norris, et al., 1949, 2

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IR Spectrum

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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

Gas Phase Spectrum

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

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-3836
NIST MS number 230537

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-101150.1014.1Cha and Lee, 1994Column length: 20. m; Column diameter: 0.5 mm
CapillaryOV-101180.1027.1Cha and Lee, 1994Column length: 20. m; Column diameter: 0.5 mm
PackedSE-30120.1003.Pascal, Heintz, et al., 1974Column length: 2. m
PackedSE-30140.1012.Pascal, Heintz, et al., 1974Column length: 2. m
PackedSE-30160.1021.Pascal, Heintz, et al., 1974Column length: 2. m
PackedApiezon L130.1025.Paris and Alexandre, 1972Chromosorb W AW

Kovats' RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryApiezon L1005.Louis, 1971N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedCarbowax 20M120.1062.Pascal, Heintz, et al., 1974Column length: 2. m
PackedCarbowax 20M140.1075.Pascal, Heintz, et al., 1974Column length: 2. m
PackedCarbowax 20M160.1088.Pascal, Heintz, et al., 1974Column length: 2. m

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

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Column type Active phase I Reference Comment
CapillaryPONA984.Vendeuvre, Bertoncini, et al., 200550. m/0.2 mm/0.5 «mu»m, 2. K/min; Tstart: 50. C
CapillaryPONA988.Vendeuvre, Bertoncini, et al., 200550. m/0.2 mm/0.5 «mu»m, 5. K/min; Tstart: 50. C
CapillaryDB-5978.1Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 2. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-5982.2Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 4. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-5985.2Lai and Song, 199530. m/0.25 mm/0.25 «mu»m, He, 6. K/min; Tstart: 40. C; Tend: 310. C
CapillarySE-30983.1Krupcík, Repka, et al., 198760. m/0.25 mm/1. «mu»m, H2, 1. K/min; Tstart: 60. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
PackedSE-301014.Robinson and Odell, 1971N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold)
PackedSqualane1000.Robinson and Odell, 1971N2, Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold)

References

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

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

Gudinowicz, Campbell, et al., 1963
Gudinowicz, B.J.; Campbell, R.H.; Adams, J.S., Specific heat measurements of complex saturated hydrocarbons, J. Chem. Eng. Data, 1963, 8, 201-214. [all data]

Boord, Perilstein, et al., 1944
Boord, C.E.; Perilstein, W.L.; Greenlee, K.W., , Am. Pet. Inst. Hydrocarbon Res. Proj., Sixth Annu. Ref., Ohio State Univ., Aug. 31, 1944. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [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]

Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D., Vapor pressures and boiling points of sixty API-NBS hydrocarbons, J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050 . [all data]

Svoboda, Charvátová, et al., 1981
Svoboda, Václav; Charvátová, Vladimíra; Majer, Vladimír; Pick, Jirí, Determination of heats of vaporization and some other thermodynamic quantities for four alkylcycloparaffins, Collect. Czech. Chem. Commun., 1981, 46, 12, 2983-2988, https://doi.org/10.1135/cccc19812983 . [all data]

Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D., Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons, J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050 . [all data]

Cha and Lee, 1994
Cha, K.-W.; Lee, D.-J., Prediction of retention indices of various compounds in gas-liquid chromatography, J. Korean Chem. Soc., 1994, 38, 2, 108-120, retrieved from http://journal.kcsnet.or.kr/publi/dh/dh94n2/108.pdf. [all data]

Pascal, Heintz, et al., 1974
Pascal, J.C.; Heintz, M.; Druilhe, A.; Lefort, D., Relations entre structure chimique et grandeurs de rétention. III. Stéréoisomères cyclohexaniques, Chromatographia, 1974, 7, 5, 236-245, https://doi.org/10.1007/BF02321774 . [all data]

Paris and Alexandre, 1972
Paris, C.; Alexandre, P., Stereochemical Investigation of Cyclohexane and Terpene Compounds by Gas Chromatography, J. Chromatogr. Sci., 1972, 10, 6, 402-411, https://doi.org/10.1093/chromsci/10.6.402 . [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]

Vendeuvre, Bertoncini, et al., 2005
Vendeuvre, C.; Bertoncini, F.; Thiébaut, D.; Martin, M.; Hennion, M.-C., Evluation of a retention model in comprehensive two-dimensional gas chromatography, J. Sep. Sci., 2005, 28, 11, 1129-1136, https://doi.org/10.1002/jssc.200401933 . [all data]

Lai and Song, 1995
Lai, W.-C.; Song, C., Temperature-programmed retention indices for g.c. and g.c.-m.s. analysis of coal- and petroleum-derived liquid fuels, Fuel, 1995, 74, 10, 1436-1451, https://doi.org/10.1016/0016-2361(95)00108-H . [all data]

Krupcík, Repka, et al., 1987
Krupcík, J.; Repka, D.; Hevesi, T.; Garaj, J., Use of Kováts retention indices for characterizing solutes in complex samples separated by linear temperature-programmed capillary gas-liquid chromatography, J. Chromatogr., 1987, 406, 117-129, https://doi.org/10.1016/S0021-9673(00)94022-6 . [all data]

Robinson and Odell, 1971
Robinson, P.G.; Odell, A.L., A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices, J. Chromatogr., 1971, 57, 1-10, https://doi.org/10.1016/0021-9673(71)80001-8 . [all data]


Notes

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