3,5-Cyclohexadiene-1,2-dione, 3,5-bis(1,1-dimethylethyl)-

• Formula: C₁₄H₂₀O₂
• Molecular weight: 220.3074
• IUPAC Standard InChI: InChI=1S/C14H20O2/c1-13(2,3)9-7-10(14(4,5)6)12(16)11(15)8-9/h7-8H,1-6H3 Copy

  
• IUPAC Standard InChIKey: NOUZOVBGCDDMSX-UHFFFAOYSA-N Copy
• CAS Registry Number: 3383-21-9
• Chemical structure:
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• Other names: o-Benzoquinone, 3,5-di-tert-butyl-; 3,5-di-tert-Butyl-ortho-benzoquinone; 3,5-di-tert-Butyl-o-benzoquinone; 3,5-di-t-Butyl-o-benzoquinone; 3,5-Di-tert-butyl-1,2-benzoquinone; 3,5-Di-tert-butyl-o-quinone
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • References
  • Notes
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of fusion

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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess

Electron affinity determinations

Ionization energy determinations

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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Additional Data

UV/Visible 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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

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.

Fattahi, Kass, et al., 2005
Fattahi, Alireza; Kass, Steven R.; Liebman, Joel F.; Matos, M. Agostinha R.; Miranda, Margarida S.; Morais, Victor M.F., The Enthalpies of Formation of o -, m -, and p -Benzoquinone: Gas-Phase Ion Energetics, Combustion Calorimetry, and Quantum Chemical Computations Combined, J. Am. Chem. Soc., 2005, 127, 16, 6116-6122, https://doi.org/10.1021/ja042612f . [all data]

Heinis, Chowdhury, et al., 1988
Heinis, T.; Chowdhury, S.; Scott, S.L.; Kebarle, P., Electron Affinities of Benzo-, Naphtho-, and Anthraquinones Determined from Gas-Phase Equilibria Measurements, J. Am. Chem. Soc., 1988, 110, 2, 400, https://doi.org/10.1021/ja00210a015 . [all data]

Schang, Gleiter, et al., 1978
Schang, P.; Gleiter, R.; Rieker, A., The He(I) photoelectron spectrum of cyclobutene-1,2-dione and o-benzoquinone, Ber. Bunsen-Ges. Phys. Chem., 1978, 82, 629. [all data]

Stallings, et al., 1981
Stallings, M.D., et al., Inorg. Chem., 1981, 20, 2655. [all data]

Notes

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• Symbols used in this document:
  

  EA	Electron affinity
  ΔfusH	Enthalpy of fusion

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