Benzene, 1,4-bis(1,1-dimethylethyl)-

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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

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Individual Reactions

Benzene, 1,3,5-tri-tert-butyl- + Benzene, tert-butyl- = Benzene, 1,4-bis(1,1-dimethylethyl)- + Benzene, 1,3-bis(1,1-dimethylethyl)-

By formula: C18H30 + C10H14 = C14H22 + C14H22

Quantity Value Units Method Reference Comment
Δr0.24 ± 0.26kcal/molEqkNesterova, Verevkin, et al., 1984liquid phase; GLC

Benzene, 1,4-bis(1,1-dimethylethyl)- = Benzene, 1,3-bis(1,1-dimethylethyl)-

By formula: C14H22 = C14H22

Quantity Value Units Method Reference Comment
Δr0.354 ± 0.079kcal/molEqkNesterova, Verevkin, et al., 1984liquid phase; GLC

Gas phase ion energetics 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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
8.24 ± 0.02EIOrlov, Misharev, et al., 1986LBLHLM
8.11PEBaidin, Misharev, et al., 1985LBLHLM
8.30PEBock, Kaim, et al., 1978LLK
8.74 ± 0.07EIArnett, Sanda, et al., 1967RDSH
8.31PEBaidin, Misharev, et al., 1985Vertical value; LBLHLM
8.28PEHowell, Goncalves, et al., 1984Vertical value; LBLHLM
8.40PEKaim, Tesmann, et al., 1980Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C13H19+9.5 ± 0.1CH3EIOrlov, Misharev, et al., 1986LBLHLM
C13H19+11.69 ± 0.07CH3EIArnett, Sanda, et al., 1967RDSH

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
CapillarySqualane100.1281.Engewald and Wennrich, 1976N2; Column length: 100. m; Column diameter: 0.23 mm
PackedSE-30150.1298.Shlyakhov, Anvaer, et al., 1975 
PackedSE-30200.1314.Shlyakhov, Anvaer, et al., 1975 
PackedApiezon L150.1319.Shlyakhov, Anvaer, et al., 1975 

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M100.1495.1Engewald and Wennrich, 1976N2; Column length: 100. m; Column diameter: 0.23 mm

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySPB-51264.Poligné, Collignan, et al., 200160. m/0.32 mm/1. μm, He, 3. K/min; Tstart: 40. C; Tend: 200. C

Normal alkane RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG-40M100.1515.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M100.1516.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M120.1528.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M140.1540.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M160.1552.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryPEG-40M80.1504.Nesterov, Nesterova, et al., 2000Column length: 50. m
CapillaryCarbowax 20M90.1488.Sutter, Peterson, et al., 1997 

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1488.Ivanciuc, Ivanciuc, et al., 2001Program: not specified

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.

Nesterova, Verevkin, et al., 1984
Nesterova, T.N.; Verevkin, S.R.; Karaseva, S.Ya.; Rozhnov, A.M.; Tsvetkov, V.F., The equilibria in the interconversions of t-butylbenzenes, Russ. J. Phys. Chem. (Engl. Transl.), 1984, 58, 297-298. [all data]

Orlov, Misharev, et al., 1986
Orlov, V.; Misharev, A.; Takhistox, V., Determination of the enthalpy of formation of para-substituted α,α-dimethyl cations in the gas phase, Izv. Akad. Nauk SSSR Ser. Khim., 1986, 9, 2006. [all data]

Baidin, Misharev, et al., 1985
Baidin, V.N.; Misharev, A.D.; Takhistov, V.V., Effect of alkyl substituents on the ionization potentials of halogenobenzenes, Zh. Org. Khim., 1985, 21, 817. [all data]

Bock, Kaim, et al., 1978
Bock, H.; Kaim, W.; Rohwer, H.E., Die hyperkonjugative Stabilisierung von p-Xylol-Radikalkationen durch (H3C)3Si-Substituenten, Chem. Ber., 1978, 111, 3573. [all data]

Arnett, Sanda, et al., 1967
Arnett, E.M.; Sanda, J.C.; Bollinger, J.M.; Barber, M., Crowded benzenes. VI. The strain energy in o-di-tbutylbenzenes, J. Am. Chem. Soc., 1967, 89, 5389. [all data]

Howell, Goncalves, et al., 1984
Howell, J.O.; Goncalves, J.M.; Amatore, C.; Klasinc, L.; Wightman, R.M.; Kochi, J.K., Electron transfer from aromatic hydrocarbons and their π-complexes with metals. Comparison of the standard oxidation potentials and vertical ionization potentials, J. Am. Chem. Soc., 1984, 106, 3968. [all data]

Kaim, Tesmann, et al., 1980
Kaim, W.; Tesmann, H.; Bock, H., Me3C-, Me3Si-, Me3Ge-, Me3Sn- und Me3Pb-substituierte benzol- und naphthalin-derivate und ihre radikalanionen, Chem. Ber., 1980, 113, 3221. [all data]

Engewald and Wennrich, 1976
Engewald, W.; Wennrich, L., Molekülstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten höherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie, Chromatographia, 1976, 9, 11, 540-547, https://doi.org/10.1007/BF02275960 . [all data]

Shlyakhov, Anvaer, et al., 1975
Shlyakhov, A.F.; Anvaer, B.I.; Zolotareva, O.V.; Romina, N.N.; Novikova, N.V.; Koreshkova, R.I., On the possibility of group indentification of hydrocarbons by gas chromatography from temperature coefficients of retention indices, Zh. Anal. Khim., 1975, 30, 788-792. [all data]

Poligné, Collignan, et al., 2001
Poligné, I.; Collignan, A.; Trystram, G., Characterization of traditional processing of pork meat into boucané, Meat Sci., 2001, 59, 4, 377-389, https://doi.org/10.1016/S0309-1740(01)00090-0 . [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]

Ivanciuc, Ivanciuc, et al., 2001
Ivanciuc, O.; Ivanciuc, T.; Klein, D.J.; Seitz, W.A.; Balaban, A.T., Quantitative structure-retention relationships for gas chromatographic retention indices of alkylbenzenes with molecular graph descriptors, SAR QSAR Environ. Res., 2001, 11, 5-6, 419-452, https://doi.org/10.1080/10629360108035362 . [all data]


Notes

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