Cyclohexanone

• Formula: C₆H₁₀O
• Molecular weight: 98.1430
• IUPAC Standard InChI: InChI=1S/C6H10O/c7-6-4-2-1-3-5-6/h1-5H2 Copy

  
• IUPAC Standard InChIKey: JHIVVAPYMSGYDF-UHFFFAOYSA-N Copy
• CAS Registry Number: 108-94-1
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Anon; Anone; Hexanon; Hytrol O; Nadone; Pimelic ketone; Pimelin ketone; Sextone; Ketohexamethylene; Cicloesanone; Cyclohexanon; Cykloheksanon; NCI-C55005; Rcra waste number U057; UN 1915; Cyclohexyl ketone; NSC 5711
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • References
  • Notes
• Other data available:
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Constant pressure heat capacity of gas

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 liquid

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
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Reduced pressure boiling point

Enthalpy of vaporization

Antoine Equation Parameters

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

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Enthalpy of sublimation

Enthalpy of fusion

Entropy of fusion

Entropy of fusion

Enthalpy of phase transition

Entropy of phase transition

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 as indicated in comments:
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C₆H₉O^- +  =

By formula: C₆H₉O^- + H⁺ = C₆H₁₀O

 +  =

By formula: C₆H₁₀O + H₂ = C₆H₁₂O

=  + 

By formula: C₆H₁₂O = C₆H₁₀O + H₂

 +  =  + 

By formula: H₂O + C₇H₁₂O = C₆H₁₀O + CH₄O

 +  =  + 2

By formula: H₂O + C₈H₁₆O₂ = C₆H₁₀O + 2CH₄O

 +  =  + 

By formula: C₆H₁₂O + C₃H₆O = C₆H₁₀O + C₃H₈O

 + 2 =  + 

By formula: C₆H₁₀O + 2CH₄O = H₂O + C₈H₁₆O₂

 +  =  + 

By formula: C₆H₁₀O + C₅H₁₀O = C₆H₁₂O + C₅H₈O

 +  =  + 

By formula: C₆H₁₀O + C₃H₈O = C₆H₁₂O + C₃H₆O

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
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

View reactions leading to C₆H₁₀O⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

De-protonation reactions

C₆H₉O^- +  =

By formula: C₆H₉O^- + H⁺ = C₆H₁₀O

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-650, AND 10% CCl4 FOR 650-240 CM^-1) VERSUS SOLVENT; PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

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, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

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

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Rabinovoch, N.B.; Tel'noy, V.I.; Terman, L.M.; Kirillova, A.S.; Razuvaev, G.A., The heats of decomposition and formation of dicyclohexyl- and dimethylperoxidecarbonate, Dokl. Akad. Nauk SSSR, 1962, 143, 133-136. [all data]

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Svoboda, V.; Kubes, V.; Basarova, P., Enthalpies of vaporization and cohesive energies of hexan-2-one, 2-methylpentan-4-one, 2,2-dimethylbutan-3-one, 2,6-dimethylheptan-4-one and cyclohexanone, J. Chem. Thermodynam., 1992, 24, 333-336. [all data]

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Teodorescu, Mariana; Barhala, Alexandru; Dragoescu, Dana, Isothermal (vapour+liquid) equilibria for the binary (cyclopentanone or cyclohexanone with 1,1,2,2-tetrachloroethane) systems at temperatures of (343.15, 353.15, and 363.15)K, The Journal of Chemical Thermodynamics, 2006, 38, 11, 1432-1437, https://doi.org/10.1016/j.jct.2006.01.010 . [all data]

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Aucejo, Antonio; Monton, Juan B.; Munoz, Rosa; Sanchotello, Margarita, Isobaric vapor-liquid equilibrium data for the cyclohexanone + N-methylacetamide system, J. Chem. Eng. Data, 1993, 38, 1, 160-162, https://doi.org/10.1021/je00009a039 . [all data]

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Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, References

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Cp,liquid	Constant pressure heat capacity of liquid
  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy
  Pc	Critical pressure
  S°gas	Entropy of gas at standard conditions
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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