Benzene, 1,1'-(1,1,2,2-tetramethyl-1,2-ethanediyl)bis-

• Formula: C₁₈H₂₂
• Molecular weight: 238.3673
• IUPAC Standard InChI: InChI=1S/C18H22/c1-17(2,15-11-7-5-8-12-15)18(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3 Copy

  
• IUPAC Standard InChIKey: HGTUJZTUQFXBIH-UHFFFAOYSA-N Copy
• CAS Registry Number: 1889-67-4
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Dicumene; Bibenzyl, α,α,α',α'-tetramethyl-; α,α'-Dicumyl; Butane, 2,3-dimethyl-2,3-diphenyl-; 2,3-Dimethyl-2,3-diphenylbutane; 2,3-Diphenyl-2,3-dimethylbutane; Dicumyl; 1,2-Diphenyltetramethylethane; Interox CC-DFB; Perkadox 30; 1,1'-[1,1,2,2-Tetramethyl-1,2-ethandiyl]bis[benzene]; 1,1,2,2-Tetramethyl-1,2-diphenylethane; Bicumyl; NSC 34859; 1,1'-(1,1,2,2-tetramethylethylene)dibenzene
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
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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

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Enthalpy of fusion

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Kratt, Beckhaus, et al., 1983
Kratt, G.; Beckhaus, H.D.; Bernlohr, W.; Ruchardt, C., Thermolabile kohlenwasserstoffe. XVII. Verbrennungsenthalpie und bildungsenthalpie von zehn sym.-tetraalkyl-1,2-diarylethanen, Thermochim. Acta, 1983, 62, 279-194. [all data]

Beckhaus, 1983
Beckhaus, H.D., Application of force field calculations. IV. Force field for the calculation of the structures and heats of formation of alkylbenzenes and its test of reliability on highly strained diphenylethanes, Chem. Ber., 1983, 116, 86-96. [all data]

Kratt, Beckhaus, et al., 1983, 2
Kratt, G.; Beckhaus, H.D.; Bernioehr, W.; Ruechardt, C., Thermolabile hydrocarbons. XVII. Enthalpies of combustion and formation of ten sym-tetraalkyl-1,2-diarylethanes, Thermochim. Acta, 1983, 62, 279-294. [all data]

Dannley and Zaremsky, 1955
Dannley, R.L.; Zaremsky, B., Free Radical Aromatic Substitution V. The Reaction of Benzoyl Peroxide with Alkylbenzenes, J. Am. Chem. Soc., 1955, 77, 1588. [all data]

Notes

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• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  Tfus	Fusion (melting) point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

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