Acetic acid

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Henry's Law data, 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:
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
ΔfH°gas-433. ± 3.kJ/molAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
S°gas282.84J/mol*KN/AWeltner W., 1955Other third-law entropy values at 298.15 K are 284.5 [ Chao J., 1986] and 290.37(4.18) J/mol*K [ Halford J.O., 1941].; GT

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
39.5450.Chao J., 1986p=1 bar. Selected entropies and heat capacities differ from other statistically calculated values [ Weltner W., 1955] by 1.0-1.3 J/mol*K for S(T) and 3.1-5.4 J/mol*K for Cp(T). Please also see Chao J., 1978.; GT
40.42100.
42.74150.
48.34200.
59.38273.15
63.44 ± 0.11298.15
63.74300.
79.66400.
93.93500.
106.18600.
116.63700.
125.50800.
132.99900.
139.261000.
144.461100.
148.761200.
152.301300.
155.221400.
157.631500.

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Henry's Law data, 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
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

Fluorine anion + Acetic acid = (Fluorine anion • Acetic acid)

By formula: F- + C2H4O2 = (F- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°185. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Quantity Value Units Method Reference Comment
ΔrS°107.J/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
ΔrG°153. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

C2H5O+ + Acetic acid = (C2H5O+ • Acetic acid)

By formula: C2H5O+ + C2H4O2 = (C2H5O+ • C2H4O2)

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

Quantity Value Units Method Reference Comment
ΔrH°118.kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
ΔrH°123.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrS°118.J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
ΔrS°117.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrG°88.7kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

Chlorine anion + Acetic acid = (Chlorine anion • Acetic acid)

By formula: Cl- + C2H4O2 = (Cl- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°102.1 ± 0.84kJ/molTDAsSieck, 1985gas phase; B,M
ΔrH°90.4 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B,M
ΔrH°100. ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°82.0J/mol*KPHPMSSieck, 1985gas phase; M
ΔrS°100.J/mol*KN/ALarson and McMahon, 1984, 2gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
ΔrS°80.8J/mol*KPHPMSYamdagni and Kebarle, 1971gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°77.8 ± 1.3kJ/molTDAsSieck, 1985gas phase; B
ΔrG°66.1 ± 8.4kJ/molTDAsYamdagni and Kebarle, 1971gas phase; B
ΔrG°69.9 ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M

MeCO2 anion + Hydrogen cation = Acetic acid

By formula: C2H3O2- + H+ = C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°1457. ± 5.9kJ/molCIDCAngel and Ervin, 2006gas phase; B
ΔrH°1456. ± 9.2kJ/molG+TSTaft and Topsom, 1987gas phase; B
ΔrH°1459. ± 8.8kJ/molG+TSCumming and Kebarle, 1978gas phase; B
ΔrH°1459. ± 9.2kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
ΔrH°1435.9 ± 2.9kJ/molEIAEMuftakhov, Vasil'ev, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°1427. ± 8.4kJ/molIMRETaft and Topsom, 1987gas phase; B
ΔrG°1429. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase; B
ΔrG°1430. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B

C2H7O+ + Acetic acid = (C2H7O+ • Acetic acid)

By formula: C2H7O+ + C2H4O2 = (C2H7O+ • C2H4O2)

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

Quantity Value Units Method Reference Comment
ΔrH°123.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrS°119.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrG°87.0kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

CH6N+ + Acetic acid = (CH6N+ • Acetic acid)

By formula: CH6N+ + C2H4O2 = (CH6N+ • C2H4O2)

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

Quantity Value Units Method Reference Comment
ΔrH°92.0kJ/molPHPMSMeot-Ner, 1984gas phase; M
ΔrH°89.5kJ/molPHPMSMeot-Ner, 1984gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°102.J/mol*KPHPMSMeot-Ner, 1984gas phase; M
ΔrS°100.J/mol*KN/AMeot-Ner, 1984gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
43.1459.PHPMSMeot-Ner, 1984gas phase; Entropy change calculated or estimated; M

(C2H5O+ • 3Acetic acid) + Acetic acid = (C2H5O+ • 4Acetic acid)

By formula: (C2H5O+ • 3C2H4O2) + C2H4O2 = (C2H5O+ • 4C2H4O2)

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

Quantity Value Units Method Reference Comment
ΔrH°50.kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KN/AMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
26.245.PHPMSMeot-Ner (Mautner), 1992gas phase; Entropy change calculated or estimated; M

(MeCO2 anion • 2Acetic acid • Water) + Acetic acid = (MeCO2 anion • 3Acetic acid • Water)

By formula: (C2H3O2- • 2C2H4O2 • H2O) + C2H4O2 = (C2H3O2- • 3C2H4O2 • H2O)

Quantity Value Units Method Reference Comment
ΔrH°52.3 ± 2.5kJ/molN/AMeot-ner, Elmore, et al., 1999gas phase; B
ΔrH°67.8 ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°24.0kJ/molTDAsMeot-ner, Elmore, et al., 1999gas phase; B
ΔrG°26. ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B

(MeCO2 anion • Acetic acid • Water) + Acetic acid = (MeCO2 anion • 2Acetic acid • Water)

By formula: (C2H3O2- • C2H4O2 • H2O) + C2H4O2 = (C2H3O2- • 2C2H4O2 • H2O)

Quantity Value Units Method Reference Comment
ΔrH°82.4 ± 2.1kJ/molN/AMeot-ner, Elmore, et al., 1999gas phase; B
ΔrH°67.8 ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°45.23kJ/molTDAsMeot-ner, Elmore, et al., 1999gas phase; B
ΔrG°26. ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B

Acetyl chloride + Water = Acetic acid + Hydrogen chloride

By formula: C2H3ClO + H2O = C2H4O2 + HCl

Quantity Value Units Method Reference Comment
ΔrH°-94.47kJ/molCmDevore and O'Neal, 1969liquid phase; Heat of hydrolysis; ALS
ΔrH°-92.30kJ/molCmPritchard and Skinner, 1950liquid phase; Heat of hydrolysis at 298 K, see Carson and Skinner, 1949; ALS
ΔrH°-92.42kJ/molCmCarson and Skinner, 1949liquid phase; ALS

Acetic anhydride + Water = 2Acetic acid

By formula: C4H6O3 + H2O = 2C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-56.6 ± 4.0kJ/molCmBecker and Maelicke, 1967liquid phase; ALS
ΔrH°-58.6 ± 0.4kJ/molCmWadso, 1962liquid phase; ALS
ΔrH°-58.4 ± 0.4kJ/molCmConn, Kistiakowsky, et al., 1942liquid phase; Heat of hydrolysis at 303 K; ALS

Iodide + Acetic acid = (Iodide • Acetic acid)

By formula: I- + C2H4O2 = (I- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°70.7 ± 4.2kJ/molTDAsCaldwell and Kebarle, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°89.1J/mol*KPHPMSCaldwell and Kebarle, 1984gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°43.9 ± 4.2kJ/molTDAsCaldwell and Kebarle, 1984gas phase; B

C2H3O2- + Hydrogen cation = Acetic acid

By formula: C2H3O2- + H+ = C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°1540. ± 13.kJ/molG+TSGrabowski and Cheng, 1989gas phase; B
ΔrH°1539. ± 19.kJ/molEIAEMuftakhov, Vasil'ev, et al., 1999gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°1511. ± 13.kJ/molIMRBGrabowski and Cheng, 1989gas phase; B

C6H5NO2- + Acetic acid = (C6H5NO2- • Acetic acid)

By formula: C6H5NO2- + C2H4O2 = (C6H5NO2- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°94.56 ± 0.42kJ/molTDAsSieck, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°112.J/mol*KPHPMSSieck, 1985gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°61.09 ± 0.84kJ/molTDAsSieck, 1985gas phase; B

phenoxide anion + Acetic acid = (phenoxide anion • Acetic acid)

By formula: C6H5O- + C2H4O2 = (C6H5O- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°115.kJ/molPHPMSMeot-Ner and Sieck, 1986gas phase; calculated from CH3COO-.C6H5OH; M
Quantity Value Units Method Reference Comment
ΔrS°100.J/mol*KPHPMSMeot-Ner and Sieck, 1986gas phase; calculated from CH3COO-.C6H5OH; M

(C2H5O+ • 2Acetic acid) + Acetic acid = (C2H5O+ • 3Acetic acid)

By formula: (C2H5O+ • 2C2H4O2) + C2H4O2 = (C2H5O+ • 3C2H4O2)

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

Quantity Value Units Method Reference Comment
ΔrH°54.8kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°93.7J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M

(C2H5O+ • Acetic acid) + Acetic acid = (C2H5O+ • 2Acetic acid)

By formula: (C2H5O+ • C2H4O2) + C2H4O2 = (C2H5O+ • 2C2H4O2)

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

Quantity Value Units Method Reference Comment
ΔrH°77.4kJ/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M

C6H12NO3+ + Acetic acid = (C6H12NO3+ • Acetic acid)

By formula: C6H12NO3+ + C2H4O2 = (C6H12NO3+ • C2H4O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
ΔrH°75.7kJ/molPHPMSMeot-Ner, 1984, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°114.J/mol*KPHPMSMeot-Ner, 1984, 2gas phase; M

Diacetamide + Water = Acetamide + Acetic acid

By formula: C4H7NO2 + H2O = C2H5NO + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-18.1 ± 0.2kJ/molCmHill and Wadso, 1968solid phase; Heat of hydrolysis; ALS
ΔrH°-18.1 ± 0.2kJ/molCmWadso, 1965solid phase; Heat of hydrolysis; ALS

C4H10NO+ + Acetic acid = (C4H10NO+ • Acetic acid)

By formula: C4H10NO+ + C2H4O2 = (C4H10NO+ • C2H4O2)

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

Quantity Value Units Method Reference Comment
ΔrH°77.0kJ/molPHPMSMeot-Ner, 1984, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KPHPMSMeot-Ner, 1984, 2gas phase; M

Acetyl iodide + Water = Hydrogen iodide + Acetic acid

By formula: C2H3IO + H2O = HI + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-93.97kJ/molCmDevore and O'Neal, 1969liquid phase; Heat of hydrolysis; ALS
ΔrH°-90.33kJ/molCmCarson and Skinner, 1949liquid phase; Heat of hydrolysis; ALS

(MeCO2 anion • Water) + Acetic acid = (MeCO2 anion • Acetic acid • Water)

By formula: (C2H3O2- • H2O) + C2H4O2 = (C2H3O2- • C2H4O2 • H2O)

Quantity Value Units Method Reference Comment
ΔrH°123. ± 4.2kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°85.4 ± 6.7kJ/molTDAsMeot-Ner and Sieck, 1986gas phase; B

Acetic anhydride + 1-Butanamine = Acetamide, N-butyl- + Acetic acid

By formula: C4H6O3 + C4H11N = C6H13NO + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-113.2 ± 0.46kJ/molCmWadso, 1962liquid phase; ALS
ΔrH°-163.7 ± 0.3kJ/molCmWadso, 1958liquid phase; Heat of aminolysis; ALS

Acetyl bromide + Water = Hydrogen bromide + Acetic acid

By formula: C2H3BrO + H2O = HBr + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-97.53kJ/molCmDevore and O'Neal, 1969liquid phase; Heat of hydrolysis; ALS
ΔrH°-96.48kJ/molCmCarson and Skinner, 1949liquid phase; ALS

thiophenoxide anion + Acetic acid = C8H9O2S-

By formula: C6H5S- + C2H4O2 = C8H9O2S-

Quantity Value Units Method Reference Comment
ΔrH°84.94 ± 0.42kJ/molTDAsSieck and Meot-ner, 1989gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°52.3 ± 1.7kJ/molTDAsSieck and Meot-ner, 1989gas phase; B

(MeCO2 anion • 2Acetic acid) + Acetic acid = (MeCO2 anion • 3Acetic acid)

By formula: (C2H3O2- • 2C2H4O2) + C2H4O2 = (C2H3O2- • 3C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°67.8kJ/molPHPMSMeot-Ner and Sieck, 1986gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°139.J/mol*KPHPMSMeot-Ner and Sieck, 1986gas phase; M

(MeCO2 anion • Acetic acid) + Acetic acid = (MeCO2 anion • 2Acetic acid)

By formula: (C2H3O2- • C2H4O2) + C2H4O2 = (C2H3O2- • 2C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°82.0kJ/molPHPMSMeot-Ner and Sieck, 1986gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°120.J/mol*KPHPMSMeot-Ner and Sieck, 1986gas phase; M

thiophenoxide anion + Acetic acid = (thiophenoxide anion • Acetic acid)

By formula: C6H5S- + C2H4O2 = (C6H5S- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°84.9kJ/molPHPMSSieck and Meot-ner, 1989gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°110.J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M

Lithium ion (1+) + Acetic acid = (Lithium ion (1+) • Acetic acid)

By formula: Li+ + C2H4O2 = (Li+ • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°174.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 interpolated; M

MeCO2 anion + Acetic acid = (MeCO2 anion • Acetic acid)

By formula: C2H3O2- + C2H4O2 = (C2H3O2- • C2H4O2)

Quantity Value Units Method Reference Comment
ΔrH°123.kJ/molPHPMSMeot-Ner and Sieck, 1986gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°124.J/mol*KPHPMSMeot-Ner and Sieck, 1986gas phase; M

2,3-Butanediol, diacetate + 2Water = 2,3-Butanediol + 2Acetic acid

By formula: C8H14O4 + 2H2O = C4H10O2 + 2C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-22.3 ± 2.1kJ/molCmShlechter, Othmer, et al., 1945liquid phase; Heat of formation derived by Cox and Pilcher, 1970; ALS

1H-Imidazole, 1-acetyl- + Water = 1H-Imidazole + Acetic acid

By formula: C5H6N2O + H2O = C3H4N2 + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-20.2 ± 0.2kJ/molCmWadso, 1960liquid phase; solvent: Aqueous; Heat of hydrolysis; ALS

2,3-Butanediol + 2Acetic acid = 2,3-Butanediol, diacetate + 2Water

By formula: C4H10O2 + 2C2H4O2 = C8H14O4 + 2H2O

Quantity Value Units Method Reference Comment
ΔrH°22.30kJ/molEqkShlechter, Othmer, et al., 1945liquid phase; Heat of esterification at 338-453 K; ALS

2,3-Butanediol monoacetate + Acetic acid = 2,3-Butanediol, diacetate + Water

By formula: C6H12O3 + C2H4O2 = C8H14O4 + H2O

Quantity Value Units Method Reference Comment
ΔrH°1.85kJ/molEqkShlechter, Othmer, et al., 1945liquid phase; Heat of esterification at 338-453 K; ALS

N,N,N-Triacetylamine + 2Water = Acetamide + 2Acetic acid

By formula: C6H9NO3 + 2H2O = C2H5NO + 2C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-103.5 ± 0.08kJ/molCmHill and Wadso, 1968liquid phase; Heat of hydrolysis; ALS

2Water + Ethene, 1,1-dimethoxy- = Acetic acid + 2Methyl Alcohol

By formula: 2H2O + C4H8O2 = C2H4O2 + 2CH4O

Quantity Value Units Method Reference Comment
ΔrH°-74.4 ± 3.6kJ/molCmGuthrie and Liu, 1995liquid phase; Heat of hydrolysis; ALS

1,3-Dehydroadamantane + Acetic acid = Tricyclo[3.3.1.13,7]decan-1-ol, acetate

By formula: C10H14 + C2H4O2 = C12H18O2

Quantity Value Units Method Reference Comment
ΔrH°-182.0 ± 0.3kJ/molCacWiberg, Connon, et al., 1979liquid phase; solvent: Acetic acid; ALS

Thioacetic acid + Water = Acetic acid + Hydrogen sulfide

By formula: C2H4OS + H2O = C2H4O2 + H2S

Quantity Value Units Method Reference Comment
ΔrH°-2.7 ± 0.3kJ/molCmSunner and Wadso, 1957liquid phase; Heat of hydrolysis; ALS

Acetamide + Water = Acetic acid + Ammonia

By formula: C2H5NO + H2O = C2H4O2 + H3N

Quantity Value Units Method Reference Comment
ΔrH°76.1 ± 1.4kJ/molCmHill and Wadso, 1968solid phase; Heat of hydrolysis; ALS

Acetamide, N-butyl- + Acetic acid = Acetamide, N-acetyl-N-butyl- + Water

By formula: C6H13NO + C2H4O2 = C8H15NO2 + H2O

Quantity Value Units Method Reference Comment
ΔrH°40.5 ± 0.50kJ/molCmWadso, 1965liquid phase; Heat of hydrolysis; ALS

Ethanethioic acid, S-propyl ester + Water = Propyl mercaptan + Acetic acid

By formula: C5H10OS + H2O = C3H8S + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-3.9 ± 0.3kJ/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

Acetamide, N-phenyl- + Acetic acid = C10H11NO2 + Water

By formula: C8H9NO + C2H4O2 = C10H11NO2 + H2O

Quantity Value Units Method Reference Comment
ΔrH°45.5 ± 0.3kJ/molCmWadso, 1965solid phase; Heat of hydrolysis; ALS

m-Cresyl acetate + Water = Phenol, 3-methyl- + Acetic acid

By formula: C9H10O2 + H2O = C7H8O + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-18.4 ± 0.59kJ/molCmSunner, 1957liquid phase; Heat of hydrolysis; ALS

Water + Ethanethioic acid, S-butyl ester = 1-Butanethiol + Acetic acid

By formula: H2O + C6H12OS = C4H10S + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-4.6 ± 0.3kJ/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

1-Acetyl-1H-tetrazole + Water = 1H-Tetrazole + Acetic acid

By formula: C3H4N4O + H2O = CH2N4 + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-43.1 ± 0.4kJ/molCmWadso, 1960solid phase; Heat of hydrolysis; ALS

Benzoic acid, 4-(acetylthio)- + Water = Benzoic acid, 4-mercapto- + Acetic acid

By formula: C9H8O3S + H2O = C7H6O2S + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-11.5 ± 0.4kJ/molCmNelander, 1964solid phase; Heat of hydrolysis; ALS

Acetamide, N-phenyl- + Water = Aniline + Acetic acid

By formula: C8H9NO + H2O = C6H7N + C2H4O2

Quantity Value Units Method Reference Comment
ΔrH°-42.0 ± 0.3kJ/molCmWadso, 1965solid phase; Heat of hydrolysis; ALS

Acetic acid + Acetone = 1-Propen-2-ol, acetate + Water

By formula: C2H4O2 + C3H6O = C5H8O2 + H2O

Quantity Value Units Method Reference Comment
ΔrH°60.2 ± 0.3kJ/molCmSunner, 1957liquid phase; Heat of hydrolysis; ALS

S-Ethyl ethanethioate + Water = Acetic acid + Ethanethiol

By formula: C4H8OS + H2O = C2H4O2 + C2H6S

Quantity Value Units Method Reference Comment
ΔrH°-4.0 ± 0.3kJ/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

Water + Ethanethioic acid, S-(1-methylethyl) ester = Acetic acid + 2-Propanethiol

By formula: H2O + C5H10OS = C2H4O2 + C3H8S

Quantity Value Units Method Reference Comment
ΔrH°-5.8 ± 0.3kJ/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

k°H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference Comment
4100.6300.MN/A 
5200. CN/A 
5400.6300.QN/A 
5200. CN/A 
8600. CN/A 
5500. MN/A 
820. QN/A missing citation give several references for the Henry's law constants but don't assign them to specific species.
9300. MN/AThe value given here was measured at a liquid phase volume mixing ratio of 1 ppmv. missing citation found that the Henry's law constant changes at higher concentrations.
8800.6400.TN/A 
 6400.TN/A 
8800. TN/A 
10000. XN/AValue given here as quoted by missing citation.
970.4900.XN/A 
3300. QN/A 
3400. cN/A 

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:   Cs     Symmetry Number σ = 1
 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase
a' 1 OH str 3583  B 3583 M gas
a' 2 CH3 d-str 3051  B 3051 VW gas
a' 3 CH3 s-str 2944  B 2944 VW gas
a' 4 C=O str 1788  B 1788 VS gas
a' 5 CH3 d-deform 1430  C 1430 sh gas SF(ν14)
a' 6 CH3 s-deform 1382  B 1382 M gas
a' 7 OH bend 1264  B 1264 M gas
a' 8 C-O str 1182  B 1182 S gas
a' 9 CH3 rock 989  B 989 M gas
a' 10 CC str 847  B 847 W gas
a' 11 OCO deform 657  B 657 S gas
a' 12 CCO deform 581  B 581 M gas
a 13 CH3 d-str 2996  B 2996 VW gas
a 14 CH3 d-deform 1430  C 1430 sh gas SF(ν5)
a 15 CH3 rock 1048  B 1048 W gas
a 16 C=O op-bend 642  B 642 S gas
a 17 C-O torsion 534  B 534 M gas
a 18 CH3 torsion 93  E CF

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
shShoulder
CFCalculated frequency
SFCalculation shows that the frequency approximately equals that of the vibration indicated in the parentheses.
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
E15~30 cm-1 uncertainty

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, 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.

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Notes

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