Acetone
- Formula: C3H6O
- Molecular weight: 58.0791
- IUPAC Standard InChIKey: CSCPPACGZOOCGX-UHFFFAOYSA-N
- 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:
- 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
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -218.5 ± 0.59 | kJ/mol | Cm | Wiberg, Crocker, et al., 1991 | ALS |
ΔfH°gas | -217.1 ± 0.50 | kJ/mol | Cm | Chao and Zwolinski, 1976 | ALS |
ΔfH°gas | -217.5 ± 0.67 | kJ/mol | Eqk | Buckley and Herington, 1965 | ALS |
ΔfH°gas | -216.4 | kJ/mol | Cm | Pennington and Kobe, 1957 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -1821.4 ± 0.84 | kJ/mol | Ccb | Miles and Hunt, 1941 | Corresponding ΔfHºgas = -216.6 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
51.73 | 100. | Chao J., 1986 | p=1 bar. Recommended values agree with results of statistical calculations [ Pennington R.E., 1957, Chao J., 1976] within 0.5-2.8 J/mol*K.; GT |
56.18 | 150. | ||
61.20 | 200. | ||
71.09 | 273.15 | ||
75.02 ± 0.11 | 298.15 | ||
75.32 | 300. | ||
92.06 | 400. | ||
108.08 | 500. | ||
122.20 | 600. | ||
134.43 | 700. | ||
145.00 | 800. | ||
154.15 | 900. | ||
162.09 | 1000. | ||
168.96 | 1100. | ||
174.92 | 1200. | ||
180.09 | 1300. | ||
184.58 | 1400. | ||
188.49 | 1500. |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
80.58 ± 0.81 | 332.6 | Chao J., 1976 | Experimental data [ Vilcu R., 1975] differ substantially from data selected here. Their correctness seems to be doubtful (see [ Kabo G.J., 1995]). Please also see Bennewitz K., 1938, Collins B.T., 1949, Pennington R.E., 1957.; GT |
80.96 ± 0.81 | 334. | ||
81.50 ± 0.16 | 338.2 | ||
83.35 ± 0.83 | 347.8 | ||
83.39 ± 0.83 | 348. | ||
87.03 ± 0.87 | 363. | ||
87.19 ± 0.17 | 371.2 | ||
87.53 ± 0.88 | 372.3 | ||
89.24 ± 0.89 | 378. | ||
91.84 ± 0.92 | 393. | ||
92.93 ± 0.19 | 405.2 | ||
94.18 ± 0.94 | 408. | ||
93.30 | 410. | ||
96.8 ± 1.9 | 422.6 | ||
99.4 ± 2.0 | 428. | ||
100.5 ± 2.0 | 438. | ||
98.66 ± 0.20 | 439.2 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -249.4 ± 0.63 | kJ/mol | Cm | Wiberg, Crocker, et al., 1991 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1772. | kJ/mol | Ccb | Guinchant, 1918 | Corresponding ΔfHºliquid = -267. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -1804.2 | kJ/mol | Ccb | Emery and Benedict, 1911 | Corresponding ΔfHºliquid = -233.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 200.4 | J/mol*K | N/A | Kelley, 1929 | DH |
S°liquid | 200.0 | J/mol*K | N/A | Parks, Kelley, et al., 1929 | Extrapolation below 90 K, 54.0 J/mol*K. Revision of previous data.; DH |
S°liquid | 220.5 | J/mol*K | N/A | Parks and Kelley, 1928 | Extrapolation below 70 K, 60.04 J/mol*K.; DH |
S°liquid | 217.6 | J/mol*K | N/A | Parks and Kelley, 1925 | Extrapolation below 90 K, 71.63 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
125.45 | 298.15 | Malhotra and Woolf, 1991 | T = 278 to 323 K. Cp(liq) = 1.337 + 2.7752x10-3(T/K) kJ/kg*K (278.15 to 323.15 K).; DH |
123.80 | 298.15 | Costas, Yao, et al., 1989 | DH |
126.6 | 298.15 | Petrov, Peshekhodov, et al., 1989 | T = 258.15, 278.15, 298.15, 318.15 K.; DH |
126.6 | 298.15 | Al'per, Peshekhodov, et al., 1986 | DH |
123.8 | 298.15 | Costas and Patterson, 1985 | T = 283.15, 298.15, 313.15 K.; DH |
123.8 | 298.15 | Costas and Patterson, 1985, 2 | DH |
125.9 | 298.15 | Saluja, Peacock, et al., 1979 | DH |
129.7 | 298. | Deshpande and Bhatagadde, 1971 | T = 298 to 318 K.; DH |
126.3 | 293. | Rastorguev and Ganiev, 1967 | T = 293 to 333 K.; DH |
125.56 | 298.2 | Low and Moelwyn-Hughes, 1962 | T = 253 to 308 K.; DH |
128.24 | 298. | Staveley, Tupman, et al., 1955 | T = 288 to 323 K.; DH |
128.4 | 302.4 | Phillip, 1939 | DH |
124.7 | 298. | Trew and Watkins, 1933 | DH |
124.7 | 298. | Trew, 1932 | DH |
124.68 | 296.99 | Kelley, 1929 | T = 16 to 298 K. Value is unsmoothed experimental datum.; DH |
124.3 | 260. | Mitsukuri and Hara, 1929 | T = 200 to 260 K.; DH |
123.8 | 298.4 | Parks and Kelley, 1928 | T = 70 to 289 K. Value is unsmoothed experimental datum.; DH |
124.7 | 289.4 | Parks and Kelley, 1925 | T = 70 to 290 K. Value is unsmoothed experimental datum.; DH |
125.9 | 293.2 | Williams and Daniels, 1925 | T = 20 to 40°C.; DH |
121.3 | 283. | Bramley, 1916 | Mean value, 0 to 20°C.; DH |
133.9 | 298. | von Reis, 1881 | T = 289 to 352 K.; DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
96. | 173. | Maass and Walbauer, 1925 | T = 93 to 173 K.; DH |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References, Notes
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)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.703 ± 0.006 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 812. | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 782.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.00152 | EFD | Desfrancois, Abdoul-Carime, et al., 1994 | EA: 1.5 meV. Dipole-bound state.; B |
Proton affinity at 298K
Proton affinity (kJ/mol) | Reference | Comment |
---|---|---|
>815.2 | Bouchoux, Buisson, et al., 2003 | MM |
>814.3 | Bouchoux, Buisson, et al., 2003 | MM |
>812.6 ± 0.2 | Bouchoux, Buisson, et al., 2003 | MM |
811.5 ± 3.4 | Bouchoux and Salpin, 1999 | T = 301K; Re-evaluated thermokinetic parametric fitting by the authors using reference base GBs and PAs from Hunter and Lias, 1998; MM |
811.5 ± 3.4 | Bouchoux and Salpin, 1999 | T = 298K; MM |
Gas basicity at 298K
Gas basicity (review) (kJ/mol) | Reference | Comment |
---|---|---|
784.7 | Bouchoux, Buisson, et al., 2003 | MM |
782.2 | Bouchoux, Buisson, et al., 2003 | MM |
782.0 ± 0.2 | Bouchoux, Buisson, et al., 2003 | MM |
782.1 ± 1.5 | Bouchoux and Salpin, 1999 | T = 301K; Re-evaluated thermokinetic parametric fitting by the authors using reference base GBs and PAs from Hunter and Lias, 1998; MM |
782.1 ± 1.5 | Bouchoux and Salpin, 1999 | T = 298K; MM |
Ionization energy determinations
Appearance energy determinations
De-protonation reactions
C3H5O- + =
By formula: C3H5O- + H+ = C3H6O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1543. ± 8.8 | kJ/mol | D-EA | Brinkman, Berger, et al., 1993 | gas phase; B |
ΔrH° | 1544. ± 8.8 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 1546. ± 11. | kJ/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
ΔrH° | 1538. ± 7.5 | kJ/mol | EIAE | Muftakhov, Vasil'ev, et al., 1999 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1514. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrG° | 1516. ± 8.4 | kJ/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, 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
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Equilibria in some secondary alcohol + hydrogen + ketone systems,
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Pennington and Kobe, 1957
Pennington, R.E.; Kobe, K.A.,
The thermodynamic properties of acetone,
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Miles and Hunt, 1941
Miles, C.B.; Hunt, H.,
Heats of combustion. I. The heat of combustion of acetone,
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Chao J., 1986
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The heat capacity of organic vapors. VI. Acetone,
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Etude sur la fonction acide dans les derives metheniques et methiniques,
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Rastorguev, Yu.L.; Ganiev, Yu.A.,
Study of the heat capacity of selected solvents,
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Low and Moelwyn-Hughes, 1962
Low, D.I.R.; Moelwyn-Hughes, E.A.,
The heat capacities of acetone, methyl iodide and mixtures thereof in the liquid state,
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Staveley, Tupman, et al., 1955
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Some thermodynamice properties of the systems benzene + ethylene dichloride, benzene + carbon tetrachloride, acetone + chloroform, and acetone + carbon disulphide,
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Phillip, 1939
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Adiabatic and isothermal compressibilities of liquids,
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Some physical properties of mixtures of certain organic liquids,
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Trew, 1932
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Physical properties of mixtures of acetone and bromoform,
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The specific heats of binary mixtures,
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Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
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The specific heats and latent heats of fusion of ice and of several organic compounds,
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Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
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Bouchoux, Buisson, et al., 2003
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Application of the kinetic method to bifunctional bases. ESI tandem quadrupole experiments,
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Bouchoux and Salpin, 1999
Bouchoux, J.; Salpin, J.Y.,
Re-evaluated gas-phase basicity and proton affinity data from the thermokinetic method,
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Traeger, McLouglin, et al., 1982
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Heat of formation for acetyl cation in the gas phase,
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Trott, Blais, et al., 1978
Trott, W.M.; Blais, N.C.; Walters, E.A.,
Molecular beam photoionization study of acetone and acetone-d6,
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Staley, Wieting, et al., 1977
Staley, R.H.; Wieting, R.D.; Beauchamp, J.L.,
Carbenium ion stabilities in the gas phase and solution. An ion cyclotron resonance study of bromide transfer reactions involving alkali ions, alkyl carbenium ions, acyl cations and cyclic halonium ions,
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Hernandez, Masclet, et al., 1977
Hernandez, R.; Masclet, P.; Mouvier, G.,
Spectroscopie de photoelectrons d'aldehydes et de cetones aliphatiques,
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Ionisation and appearance potentials of alkylketones,
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Tam, Yee, et al., 1974
Tam, W.-C.; Yee, D.; Brion, C.E.,
Photoelectron spectra of some aldehydes and ketones,
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Ogata, Kitayama, et al., 1974
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Knowles and Nicholson, 1974
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Ionization energies of formic and acetic acid monomers,
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Huebner, Celotta, et al., 1973
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Electron energy loss spectroscopy of acetone vapor,
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Potapov and Sorokin, 1972
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Kinetic energies of products of dissociative photoionization of molecules. I. Aliphatic ketones and alcohols,
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Johnstone and Mellon, 1972
Johnstone, R.A.W.; Mellon, F.A.,
Electron-impact ionization and appearance potentials,
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Brundle, Robin, et al., 1972
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The effect of alkyl substitution on ionisation potential,
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Online acquisition of ionization efficiency data,
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Photoionization of some compounds containing the carbonyl and amino groups,
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Dorman, 1965
Dorman, F.H.,
Fragment ions from CH3CHO and (CH3)2CO by electron impact,
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Murad and Inghram, 1964
Murad, E.; Inghram, M.G.,
Photoionization of aliphatic ketones,
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Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W.,
Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials,
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Vilesov, 1960
Vilesov, F.I.,
The photoionization of vapors of compounds whose molecules contain carbonyl groups,
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Vilesov and Terenin, 1957
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Notes
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- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid Cp,solid Constant pressure heat capacity of solid EA Electron affinity IE (evaluated) Recommended ionization energy S°liquid Entropy of liquid at standard conditions ΔcH°gas Enthalpy of combustion of gas at standard conditions 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 ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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