Acetone

• Formula: C₃H₆O
• Molecular weight: 58.0791
• IUPAC Standard InChI: InChI=1S/C3H6O/c1-3(2)4/h1-2H3 Copy

  
• IUPAC Standard InChIKey: CSCPPACGZOOCGX-UHFFFAOYSA-N Copy
• CAS Registry Number: 67-64-1
• 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.
• Isotopologues:
  • Acetone-D6
• Other names: 2-Propanone; β-Ketopropane; Dimethyl ketone; Dimethylformaldehyde; Methyl ketone; Propanone; Pyroacetic ether; (CH3)2CO; Dimethylketal; Ketone propane; Ketone, dimethyl-; Chevron acetone; Rcra waste number U002; UN 1090; Sasetone; Propan-2-one; NSC 135802
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data (reactions 1 to 50)
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data: reactions 51 to 85
  • Henry's Law data
  • Ion clustering data
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
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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

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Vibrational and/or electronic energy levels, References, Notes

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
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
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.

Reactions 1 to 50

 +  = ( • )

By formula: Cl^- + C₃H₆O = (Cl^- • C₃H₆O)

C₃H₇O⁺ +  = (C₃H₇O⁺ • )

By formula: C₃H₇O⁺ + C₃H₆O = (C₃H₇O⁺ • C₃H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₃H₇O₂⁺ +  = (C₃H₇O₂⁺ • )

By formula: C₃H₇O₂⁺ + C₃H₆O = (C₃H₇O₂⁺ • C₃H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₄H₉O⁺ +  = (C₄H₉O⁺ • )

By formula: C₄H₉O⁺ + C₃H₆O = (C₄H₉O⁺ • C₃H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₄H₉O⁺ +  = (C₄H₉O⁺ • )

By formula: C₄H₉O⁺ + C₃H₆O = (C₄H₉O⁺ • C₃H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₅H₁₁O⁺ +  = (C₅H₁₁O⁺ • )

By formula: C₅H₁₁O⁺ + C₃H₆O = (C₅H₁₁O⁺ • C₃H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₃H₅O^- +  =

By formula: C₃H₅O^- + H⁺ = C₃H₆O

C₃H₉Si⁺ +  = (C₃H₉Si⁺ • )

By formula: C₃H₉Si⁺ + C₃H₆O = (C₃H₉Si⁺ • C₃H₆O)

Free energy of reaction

 +  = ( • )

By formula: Na⁺ + C₃H₆O = (Na⁺ • C₃H₆O)

Free energy of reaction

( • ) +  = ( • 2)

By formula: (Cu⁺ • C₃H₆O) + C₃H₆O = (Cu⁺ • 2C₃H₆O)

 +  = ( • )

By formula: Cu⁺ + C₃H₆O = (Cu⁺ • C₃H₆O)

 +  = 2 + 

By formula: H₂O + C₅H₁₂O₂ = 2CH₄O + C₃H₆O

C₃H₉Sn⁺ +  = (C₃H₉Sn⁺ • )

By formula: C₃H₉Sn⁺ + C₃H₆O = (C₃H₉Sn⁺ • C₃H₆O)

( • 4) +  = ( • 5)

By formula: (H₄N⁺ • 4C₃H₆O) + C₃H₆O = (H₄N⁺ • 5C₃H₆O)

Free energy of reaction

CN^- +  = (CN^- • )

By formula: CN^- + C₃H₆O = (CN^- • C₃H₆O)

( • 2) +  = ( • 3)

By formula: (Cl^- • 2C₃H₆O) + C₃H₆O = (Cl^- • 3C₃H₆O)

 +  =

By formula: H₂ + C₃H₆O = C₃H₈O

 +  = ( • )

By formula: C₂H₃O₂^- + C₃H₆O = (C₂H₃O₂^- • C₃H₆O)

Bond type: Hydrogen bonds of deprotonated acids to ketones/

( • ) +  = ( • 2)

By formula: (Cl^- • C₃H₆O) + C₃H₆O = (Cl^- • 2C₃H₆O)

C₆H₅NO₂^- +  = (C₆H₅NO₂^- • )

By formula: C₆H₅NO₂^- + C₃H₆O = (C₆H₅NO₂^- • C₃H₆O)

 +  = ( • )

By formula: NO₂^- + C₃H₆O = (NO₂^- • C₃H₆O)

(CAS Reg. No. 15520-32-8 • 4294967295) +  = CAS Reg. No. 15520-32-8

By formula: (CAS Reg. No. 15520-32-8 • 4294967295C₃H₆O) + C₃H₆O = CAS Reg. No. 15520-32-8

 +  = ( • )

By formula: C₅H₅^- + C₃H₆O = (C₅H₅^- • C₃H₆O)

 +  = ( • )

By formula: C₄H₄N^- + C₃H₆O = (C₄H₄N^- • C₃H₆O)

( • 2) +  = ( • 3)

By formula: (K⁺ • 2C₃H₆O) + C₃H₆O = (K⁺ • 3C₃H₆O)

Free energy of reaction

(C₃H₇O⁺ • 2) +  = (C₃H₇O⁺ • 3)

By formula: (C₃H₇O⁺ • 2C₃H₆O) + C₃H₆O = (C₃H₇O⁺ • 3C₃H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₇O⁺ • ) +  = (C₃H₇O⁺ • 2)

By formula: (C₃H₇O⁺ • C₃H₆O) + C₃H₆O = (C₃H₇O⁺ • 2C₃H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

( • ) +  = ( • 2)

By formula: (C₂H₃O₂^- • C₃H₆O) + C₃H₆O = (C₂H₃O₂^- • 2C₃H₆O)

Bond type: Hydrogen bonds of deprotonated acids to ketones/

CH₆N⁺ +  = (CH₆N⁺ • )

By formula: CH₆N⁺ + C₃H₆O = (CH₆N⁺ • C₃H₆O)

Bond type: Hydrogen bonds of the type NH+-O between organics

C₃H₅O^- +  = (C₃H₅O^- • )

By formula: C₃H₅O^- + C₃H₆O = (C₃H₅O^- • C₃H₆O)

( • ) +  = ( • 2)

By formula: (Al⁺ • C₃H₆O) + C₃H₆O = (Al⁺ • 2C₃H₆O)

 +  = ( • )

By formula: NO^- + C₃H₆O = (NO^- • C₃H₆O)

 +  = ( • )

By formula: K⁺ + C₃H₆O = (K⁺ • C₃H₆O)

( • 2) +  = ( • 3)

By formula: (Na⁺ • 2C₃H₆O) + C₃H₆O = (Na⁺ • 3C₃H₆O)

( • 3) +  = ( • 4)

By formula: (Na⁺ • 3C₃H₆O) + C₃H₆O = (Na⁺ • 4C₃H₆O)

( • ) +  = ( • 2)

By formula: (Na⁺ • C₃H₆O) + C₃H₆O = (Na⁺ • 2C₃H₆O)

( • 2) +  = ( • 3)

By formula: (H₄N⁺ • 2C₃H₆O) + C₃H₆O = (H₄N⁺ • 3C₃H₆O)

( • 3) +  = ( • 4)

By formula: (H₄N⁺ • 3C₃H₆O) + C₃H₆O = (H₄N⁺ • 4C₃H₆O)

( • ) +  = ( • 2)

By formula: (H₄N⁺ • C₃H₆O) + C₃H₆O = (H₄N⁺ • 2C₃H₆O)

( • ) +  = ( • 2)

By formula: (C₄H₄N^- • C₃H₆O) + C₃H₆O = (C₄H₄N^- • 2C₃H₆O)

( • ) +  = ( • 2)

By formula: (C₅H₅^- • C₃H₆O) + C₃H₆O = (C₅H₅^- • 2C₃H₆O)

 +  = ( • )

By formula: H₄N⁺ + C₃H₆O = (H₄N⁺ • C₃H₆O)

 +  = ( • )

By formula: Li⁺ + C₃H₆O = (Li⁺ • C₃H₆O)

C₂H₇OS⁺ +  = (C₂H₇OS⁺ • )

By formula: C₂H₇OS⁺ + C₃H₆O = (C₂H₇OS⁺ • C₃H₆O)

( • ) +  = ( • 2)

By formula: (K⁺ • C₃H₆O) + C₃H₆O = (K⁺ • 2C₃H₆O)

=  + 

By formula: C₃H₈O = H₂ + C₃H₆O

 +  = ( • )

By formula: Mg⁺ + C₃H₆O = (Mg⁺ • C₃H₆O)

 +  =  + 

By formula: HBr + C₃H₅BrO = C₃H₆O + Br₂

 +  =

By formula: C₂H₂Cl₂OS + C₃H₆O = C₅H₈Cl₂O₂S

 +  =

By formula: C₂H₄OS + C₃H₆O = C₅H₁₀O₂S

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
MM - Michael M. Meot-Ner (Mautner)
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 C₃H₆O⁺ (ion structure unspecified)

Electron affinity determinations

Proton affinity at 298K

Gas basicity at 298K

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₃H₅O^- +  =

By formula: C₃H₅O^- + H⁺ = C₃H₆O

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Vibrational and/or electronic energy levels, References, Notes

Data compiled by: Coblentz Society, Inc.

• GAS (100 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution
• GAS (VAPOR); PERKIN-ELMER 21 (GRATING); DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-420 CM^-1); BECKMAN IR-9 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution
• SOLUTION (10% IN CCl4 FOR 4000-1330 CM^-1, 10% IN CS2 FOR 1330-600 CM^-1); BECKMAN IR-7 (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

Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty

• gas; IFS66V (Bruker); 3-Term B-H Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Boxcar Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Happ Genzel Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); NB Strong Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution
• gas; IFS66V (Bruker); Triangular Apodization
  0.1250, 0.2410, 0.4820, 0.9640, 1.9290 cm^-1 resolution

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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For Zoom

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2.) Check here for automatic Y scaling

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Additional Data

Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   C_2ν     Symmetry Number σ = 2

Source: Shimanouchi, 1972

Notes

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Vibrational and/or electronic energy levels, Notes

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

Wiberg, Crocker, et al., 1991
Wiberg, K.B.; Crocker, L.S.; Morgan, K.M., Thermochemical studies of carbonyl compounds. 5. Enthalpies of reduction of carbonyl groups, J. Am. Chem. Soc., 1991, 113, 3447-3450. [all data]

Chao and Zwolinski, 1976
Chao, J.; Zwolinski, B.J., Ideal gas thermodynamic properties of propanone and 2-butanone, J. Phys. Chem. Ref. Data, 1976, 5, 319-328. [all data]

Buckley and Herington, 1965
Buckley, E.; Herington, E.F.G., Equilibria in some secondary alcohol + hydrogen + ketone systems, Trans. Faraday Soc., 1965, 61, 1618-1625. [all data]

Pennington and Kobe, 1957
Pennington, R.E.; Kobe, K.A., The thermodynamic properties of acetone, J. Am. Chem. Soc., 1957, 79, 300-305. [all data]

Miles and Hunt, 1941
Miles, C.B.; Hunt, H., Heats of combustion. I. The heat of combustion of acetone, J. Phys. Chem., 1941, 45, 1346-1359. [all data]

Chao J., 1986
Chao J., Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties, J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]

Pennington R.E., 1957
Pennington R.E., The thermodynamic properties of acetone, J. Am. Chem. Soc., 1957, 79, 300-305. [all data]

Chao J., 1976
Chao J., Ideal gas thermodynamic properties of propanone and 2-butanone, J. Phys. Chem. Ref. Data, 1976, 5, 319-328. [all data]

Vilcu R., 1975
Vilcu R., Determination of heat capacities of some alcohols and ketones in vapor phase, Rev. Roum. Chim., 1975, 20, 603-609. [all data]

Kabo G.J., 1995
Kabo G.J., Thermodynamic properties, conformation, and phase transitions of cyclopentanol, J. Chem. Thermodyn., 1995, 27, 953-967. [all data]

Bennewitz K., 1938
Bennewitz K., Molar heats of vapor organic compounds, Z. Phys. Chem. (Leipzig), 1938, B39, 126-144. [all data]

Collins B.T., 1949
Collins B.T., The heat capacity of organic vapors. VI. Acetone, J. Am. Chem. Soc., 1949, 71, 2929-2930. [all data]

Sieck, 1985
Sieck, L.W., Thermochemistry of Solvation of NO₂^- and C₆H₅NO₂^- by Polar Molecules in the Vapor Phase. Comparison with Cl^- and Variation with Ligand Structure., J. Phys. Chem., 1985, 89, 25, 5552, https://doi.org/10.1021/j100271a049 . [all data]

French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P., Hydrogen bonding of O-H and C-H hydrogen donors to Cl^-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl^- = RHCl^-, Can. J. Chem., 1982, 60, 1907. [all data]

Hiraoka, Takimoto, et al., 1986
Hiraoka, K.; Takimoto, H.; Morise, K.; Shoda, T.; Nakamura, S., Ion-Molecule Reactions in Gaseous Acetone, Bull. Chem. Soc. Japan, 1986, 59, 7, 2247, https://doi.org/10.1246/bcsj.59.2247 . [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Gas phase negative ion chemistry of alkylchloroformates, Can. J. Chem., 1984, 62, 675. [all data]

Bofdanov and McMahon, 2002
Bofdanov, B.; McMahon, T.B., Structures, Thermochemistry, and Infrared Spectra of Chloride Ion-Fluorinated Acetone Complexes and Neutral Fluorinated Acetones in the Gas Phase: Experiment and Theory, Int. J. Mass Spectrom., 2002, 219, 3, 593-613, https://doi.org/10.1016/S1387-3806(02)00745-5 . [all data]

Hiraoka, Morise, et al., 1986
Hiraoka, K.; Morise, K.; Nishijima, T.; Nakamura, S.; Nakazato, M.; Ohkuma, K., Gas Phase Ion Equilibria Studies of Protons and Chloride Ions in Propanol and Acetone, Int. J. Mass Spectrom. Ion Proc., 1986, 68, 1-2, 99, https://doi.org/10.1016/0168-1176(86)87071-9 . [all data]

Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

Meot-Ner (Mautner) and Sieck, 1991
Meot-Ner (Mautner), M.; Sieck, L.W., Proton affinity ladders from variable-temperature equilibrium measurements. 1. A reevaluation of the upper proton affinity range, J. Am. Chem. Soc., 1991, 113, 12, 4448, https://doi.org/10.1021/ja00012a012 . [all data]

Szulejko and McMahon, 1991
Szulejko, J.E.; McMahon, T.B., A Pulsed Electron Beam, Variable Temperature, High Pressure Mass Spectrometric Reevaluation of the Proton Affinity Difference Between 2-Methylpropene and Ammonia, Int. J. Mass Spectrom. Ion Proc., 1991, 109, 279, https://doi.org/10.1016/0168-1176(91)85109-Y . [all data]

Hiraoka and Takimoto, 1986
Hiraoka, K.; Takimoto, H., Gas-Phase Stabilities of Symmetric Proton-Held Dimer Cations, J. Phys. Chem., 1986, 90, 22, 5910, https://doi.org/10.1021/j100280a090 . [all data]

Larson and McMahon, 1982
Larson, J.W.; McMahon, T.B., Formation, Thermochemistry, and Relative Stabilities of Proton - Bound dimers of Oxygen n - Donor Bases from Ion Cyclotron Resonance Solvent - Exchange Equilibria Measurements, J. Am. Chem. Soc., 1982, 104, 23, 6255, https://doi.org/10.1021/ja00387a016 . [all data]

Grimsrud and Kebarle, 1973
Grimsrud, E.P.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Solvation of the Hydrogen Ion by Methanol, Dimethyl Ether and Water. Effect of Hydrogen Bonding, J. Am. Chem. Soc., 1973, 95, 24, 7939, https://doi.org/10.1021/ja00805a002 . [all data]

Lias, Liebman, et al., 1984
Lias, S.G.; Liebman, J.F.; Levin, R.D., Evaluated gas phase basicities and proton affinities of molecules heats of formation of protonated molecules, J. Phys. Chem. Ref. Data, 1984, 13, 695. [all data]

Keesee and Castleman, 1986
Keesee, R.G.; Castleman, A.W., Jr., Thermochemical data on Ggs-phase ion-molecule association and clustering reactions, J. Phys. Chem. Ref. Data, 1986, 15, 1011. [all data]

Lau, Saluja, et al., 1980
Lau, Y.K.; Saluja, P.P.S.; Kebarle, P., The Proton in Dimethyl Sulfoxide and Acetone. Results from Gas - Phase Ion Equilibria Involving (Me2SO)nH+ and (Me2CO)nH+, J. Am. Chem. Soc., 1980, 102, 25, 7429, https://doi.org/10.1021/ja00545a004 . [all data]

Brinkman, Berger, et al., 1993
Brinkman, E.A.; Berger, S.; Marks, J.; Brauman, J.I., Molecular Rotation and the Observation of Dipole-Bound States of Anions, J. Chem. Phys., 1993, 99, 10, 7586, https://doi.org/10.1063/1.465688 . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

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Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Vibrational and/or electronic energy levels, References

• Symbols used in this document:
  

  AE	Appearance energy
  Cp,gas	Constant pressure heat capacity of gas
  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy
  T	Temperature
  ΔcH°gas	Enthalpy of combustion of gas at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

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