Benzene, 1-(1,1-dimethylethyl)-3-methyl-

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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

Quantity Value Units Method Reference Comment
Δfgas-54. ± 2.kJ/molCcbBrown and Domash, 1956Unpublished results

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, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil462. ± 3.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus231.76 ± 0.03KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap51.1 ± 0.3kJ/molGSVerevkin, Kozlova, et al., 2008Based on data from 274. to 318. K.; AC
Δvap51.3 ± 0.6kJ/molN/AVerevkin, 1998AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
51.4 ± 0.6296.GSVerevkin, 1998Based on data from 279. to 314. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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
CapillaryHP-160.1067.Zhang, Li, et al., 1992N2; Column length: 25. m; Column diameter: 0.20 mm
CapillaryHP-160.1068.Zhang, Li, et al., 1992N2; Column length: 25. m; Column diameter: 0.20 mm
CapillarySqualane86.1053.6Macák, Nabivach, et al., 1982N2; Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane96.1056.1Macák, Nabivach, et al., 1982N2; Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane80.1051.12Soják and Rijks, 1976H2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySE-3065.1067.5Svob and Deur-Siftar, 1974He; Column length: 25.5 m; Column diameter: 0.5 mm
CapillarySqualane100.1062.3Svob and Deur-Siftar, 1974He; Column length: 10.5 m; Column diameter: 0.25 mm

Kovats' RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOV-1011072.Hayes and Pitzer, 1982110. m/0.25 mm/0.20 μm, He, 1. K/min; Tstart: 35. C; Tend: 200. C
CapillaryApiezon L1083.Louis, 1971N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C

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

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Column type Active phase I Reference Comment
CapillaryOV-1011072.Hayes and Pitzer, 1981108. m/0.25 mm/0.2 μm, 1. K/min; Tstart: 35. C; Tend: 200. C

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillarySqualane95.41052.Sojak and Vigdergauz, 1978H2

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

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Column type Active phase I Reference Comment
CapillaryOV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.1067.Waggott and Davies, 1984Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified

Normal alkane RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-40M100.1330.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M100.1332.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M120.1343.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M140.1353.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M160.1361.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M80.1322.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryCarbowax 20M90.1296.Sutter, Peterson, et al., 1997 

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.

Brown and Domash, 1956
Brown, H.C.; Domash, L., Steric effects in displacement reactions. XI. The heats of reaction of diborane with pyridine bases. Steric strains in homomorphs of o-t-butyltoluene and hemimellitene, J. Am. Chem. Soc., 1956, 78, 5384-5386. [all data]

Verevkin, Kozlova, et al., 2008
Verevkin, Sergey P.; Kozlova, Svetlana A.; Emel'yanenko, Vladimir N.; Goodrich, Peter; Hardacre, Christopher, Thermochemistry of Ionic Liquid-Catalyzed Reactions. Experimental and Theoretical Study of Chemical Equilibria of Isomerization and Transalkylation of tert -Butylbenzenes, J. Phys. Chem. A, 2008, 112, 44, 11273-11282, https://doi.org/10.1021/jp806410x . [all data]

Verevkin, 1998
Verevkin, Sergey P., Thermochemical properties of branched alkylsubstituted benzenes, The Journal of Chemical Thermodynamics, 1998, 30, 8, 1029-1040, https://doi.org/10.1006/jcht.1998.0370 . [all data]

Zhang, Li, et al., 1992
Zhang, M.J.; Li, S.D.; Chen, B.J., Compositional studies of high-temperature coal tar by GC/FTIR analysis of light oil fractions, Chromatographia, 1992, 33, 3/4, 138-146, https://doi.org/10.1007/BF02275894 . [all data]

Macák, Nabivach, et al., 1982
Macák, J.; Nabivach, V.; Buryan, P.; Sindler, S., Dependence of retention indices of alkylbenzenes on their molecular structure, J. Chromatogr., 1982, 234, 2, 285-302, https://doi.org/10.1016/S0021-9673(00)81867-1 . [all data]

Soják and Rijks, 1976
Soják, L.; Rijks, J.A., Capillary gas chromatography of alkylbenzenes. I. Some problems encountered with the precision of the retention indcies of alkylbenzenes, J. Chromatogr., 1976, 119, 505-521, https://doi.org/10.1016/S0021-9673(00)86812-0 . [all data]

Svob and Deur-Siftar, 1974
Svob, V.; Deur-Siftar, D., Kovats Retention Indices in the Identification of Alkylbenzene Degradation Products, J. Chromatogr., 1974, 91, 677-689, https://doi.org/10.1016/S0021-9673(01)97947-6 . [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]

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 and Vigdergauz, 1978
Sojak, L.; Vigdergauz, M.S., Comparison of interpolation methods for the interpretation of retention data in gas chromatography, J. Chromatogr., 1978, 148, 1, 159-167, https://doi.org/10.1016/S0021-9673(00)99332-4 . [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Nesterov, Nesterova, et al., 2000
Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 2000, 43, 4, 39-45. [all data]

Sutter, Peterson, et al., 1997
Sutter, J.M.; Peterson, T.A.; Jurs, P.C., Prediction of gas chromatographic retention indices of alkylbenzenes, Anal. Chim. Acta., 1997, 342, 2-3, 113-122, https://doi.org/10.1016/S0003-2670(96)00578-8 . [all data]


Notes

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