Acetic acid, butyl ester

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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 by: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-566.0kJ/molN/ASchiopu, Bot, et al., 1961Value computed using ΔfHliquid° value of -609.6 kj/mol from Schiopu, Bot, et al., 1961 and ΔvapH° value of 43.6±0.2 kj/mol from missing citation.

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

Quantity Value Units Method Reference Comment
Δfliquid-609.6kJ/molCcbSchiopu, Bot, et al., 1961ALS
Quantity Value Units Method Reference Comment
Δcliquid-3467.kJ/molCcbSchiopu, Bot, et al., 1961Corresponding Δfliquid = -609.2 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-3543.kJ/molCcbSchjanberg, 1935Corresponding Δfliquid = -533.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
228.11298.35Zabransky, Hynek, et al., 1987T = 294 to 364 K. Unsmoothed experimental datum.; DH
225.11298.15Jimenez, Romani, et al., 1986DH
228.4298.15Fuchs, 1979DH
242.3292.5Kolosovskii and Udovenko, 1934DH
242.3292.5de Kolossowsky and Udowenko, 1933DH

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

Quantity Value Units Method Reference Comment
Tboil399. ± 1.KAVGN/AAverage of 21 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus196.35KN/ATimmermans, 1921Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Ttriple196.03KN/ABalakina, Petrova, et al., 1979Uncertainty assigned by TRC = 0.1 K; TRC
Ttriple196.12KN/ABalakina, Petrova, et al., 1979Uncertainty assigned by TRC = 0.05 K; TRC
Quantity Value Units Method Reference Comment
Tc575.4KN/AQuadri and Kudchadker, 1991Uncertainty assigned by TRC = 0.6 K; TRC
Tc579.KN/AMajer and Svoboda, 1985 
Tc560.2KN/ADe Heen, 1888Uncertainty assigned by TRC = 10. K; TRC
Tc561.KN/ANadezhdin, 1887Uncertainty assigned by TRC = 10. K; TRC
Tc579.1KN/APawlewski, 1882Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Pc30.90barN/AQuadri and Kudchadker, 1991Uncertainty assigned by TRC = 0.20 bar; TRC
Pc31.00barN/ANadezhdin, 1887Uncertainty assigned by TRC = 1.0132 bar; TRC
Quantity Value Units Method Reference Comment
Δvap43. ± 4.kJ/molAVGN/AAverage of 10 values; Individual data points

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
36.28399.2N/AMajer and Svoboda, 1985 
40.5356.A,EBStephenson and Malanowski, 1987Based on data from 341. to 399. K. See also Sheehan and Langer, 1969.; AC
40.8347.AStephenson and Malanowski, 1987Based on data from 332. to 399. K. See also Kliment, Fried, et al., 1964 and Boublik, Fried, et al., 1984.; AC
41.3341.DTAMeyer, Awe, et al., 1980Based on data from 326. to 404. K.; AC
43.0 ± 0.1313.CSvoboda, Uchytilová, et al., 1980AC
41.7 ± 0.1328.CSvoboda, Uchytilová, et al., 1980AC
40.6 ± 0.1343.CSvoboda, Uchytilová, et al., 1980AC
39.4 ± 0.1358.CSvoboda, Uchytilová, et al., 1980AC
37.5398.N/ASchiopu, Bot, et al., 1961, 2AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) β Tc (K) Reference Comment
298. to 358.64.070.306579.Majer and Svoboda, 1985 

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
332.89 to 399.244.268031440.231-61.362Kliment, Fried, et al., 1964Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
9.92 ± 0.05PEBenoit, Harrison, et al., 1977LLK
10.01PIWatanabe, Nakayama, et al., 1962RDSH
9.56 ± 0.03PIVilesov and Terenin, 1957RDSH
10.02 ± 0.05PEBenoit, Harrison, et al., 1977Vertical value; LLK
10.17PESweigart and Turner, 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H3O2+12.33 ± 0.12?EIBrion and Dunning, 1963RDSH
C3H5O2+11.70 ± 0.05?EIBrion and Dunning, 1963RDSH
C3H7+11.56 ± 0.10?EIBrion and Dunning, 1963RDSH
C4H9+11.31 ± 0.10?EIBrion and Dunning, 1963RDSH

De-protonation reactions

C6H11O2- + Hydrogen cation = Acetic acid, butyl ester

By formula: C6H11O2- + H+ = C6H12O2

Quantity Value Units Method Reference Comment
Δr1551. ± 17.kJ/molG+TSHaas, Giblin, et al., 1998gas phase; From transesterification equilibria; B
Quantity Value Units Method Reference Comment
Δr1523. ± 17.kJ/molIMREHaas, Giblin, et al., 1998gas phase; From transesterification equilibria; B

Ion clustering 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C3H9Si+ + Acetic acid, butyl ester = (C3H9Si+ • Acetic acid, butyl ester)

By formula: C3H9Si+ + C6H12O2 = (C3H9Si+ • C6H12O2)

Quantity Value Units Method Reference Comment
Δr209.kJ/molPHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr133.J/mol*KN/AWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
147.468.PHPMSWojtyniak and Stone, 1986gas phase; switching reaction,Thermochemical ladder((CH3)3Si+)H2O, Entropy change calculated or estimated

C3H9Sn+ + Acetic acid, butyl ester = (C3H9Sn+ • Acetic acid, butyl ester)

By formula: C3H9Sn+ + C6H12O2 = (C3H9Sn+ • C6H12O2)

Quantity Value Units Method Reference Comment
Δr174.kJ/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Δr140.J/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
101.525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Ion clustering data, Notes

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

Schiopu, Bot, et al., 1961
Schiopu, M.; Bot, O.; Onu, V., Studiul termodinamic si cinetic al sistemului acetat de n-butil-apa. Nota I., Bul. Inst. Poleteh. Iasi, 1961, 7, 115-118. [all data]

Schjanberg, 1935
Schjanberg, E., Die Verbrennungswarmen und die Refraktionsdaten einiger chlorsubstituierter Fettsauren und Ester., Z. Phys. Chem. Abt. A, 1935, 172, 197-233. [all data]

Zabransky, Hynek, et al., 1987
Zabransky, M.; Hynek, V.; Finkeova-Hastabova, J.; Vesely, F., Heat capacities of six liquid esters as a function of temperature, Coll. Czech. Chem. Comm., 1987, 52, 251-256. [all data]

Jimenez, Romani, et al., 1986
Jimenez, E.; Romani, L.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Molar excess heat capacities and volumes for mixtures of alkanoates with cyclohexane at 25°C, J. Solution Chem., 1986, 15(11), 879-890. [all data]

Fuchs, 1979
Fuchs, R., Heat capacities of some liquid aliphatic, alicyclic, and aromatic esters at 298.15 K, J. Chem. Thermodyn., 1979, 11, 959-961. [all data]

Kolosovskii and Udovenko, 1934
Kolosovskii, N.A.; Udovenko, W.W., Specific heat of liquids. II., Zhur. Obshchei Khim., 1934, 4, 1027-1033. [all data]

de Kolossowsky and Udowenko, 1933
de Kolossowsky, N.A.; Udowenko, W.W., Mesure des chaleurs specifique moleculaires de quelques liquides, Compt. rend., 1933, 197, 519-520. [all data]

Timmermans, 1921
Timmermans, J., The Freezing Points of Organic Substances IV. New Exp. Determinations, Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]

Balakina, Petrova, et al., 1979
Balakina, M.M.; Petrova, G.V.; Vasil'ev, I.A., Heat capacity of butyl acetate and butyl Butyrate in a liquid state., Termodin. Org. Soedin., 1979, No. 8, 37. [all data]

Quadri and Kudchadker, 1991
Quadri, S.K.; Kudchadker, A.P., Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable esters, ketones, and ethers, J. Chem. Thermodyn., 1991, 23, 129-34. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

De Heen, 1888
De Heen, P., Research on Physics and Theory of Liquids, Experimental Part Paris, 1888. [all data]

Nadezhdin, 1887
Nadezhdin, A., Rep. Phys., 1887, 23, 708. [all data]

Pawlewski, 1882
Pawlewski, B., The critical temperatures of ester compounds, Ber. Dtsch. Chem. Ges., 1882, 15, 2460-4. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Sheehan and Langer, 1969
Sheehan, Richard J.; Langer, Stanley H., Vapor pressures of fluorine- and silicon-containing derivatives of some hydroxylic compounds, J. Chem. Eng. Data, 1969, 14, 2, 248-250, https://doi.org/10.1021/je60041a011 . [all data]

Kliment, Fried, et al., 1964
Kliment, V.; Fried, V.; Pick, J., Gleichgewicht flüssigkeit-dampf XXXIII. Systeme butylacetat-phenol und wasser-phenol, Collect. Czech. Chem. Commun., 1964, 29, 9, 2008-2015, https://doi.org/10.1135/cccc19642008 . [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Meyer, Awe, et al., 1980
Meyer, Edwin F.; Awe, Michael J.; Wagner, Robert E., Cohesive energies in polar organic liquids. 4. n-Alkyl acetates, J. Chem. Eng. Data, 1980, 25, 4, 371-374, https://doi.org/10.1021/je60087a030 . [all data]

Svoboda, Uchytilová, et al., 1980
Svoboda, Václav; Uchytilová, Vera; Majer, Vladimír; Pick, Jirí, Heats of vaporization of alkyl esters of formic, acetic and propionic acids, Collect. Czech. Chem. Commun., 1980, 45, 12, 3233-3240, https://doi.org/10.1135/cccc19803233 . [all data]

Schiopu, Bot, et al., 1961, 2
Schiopu, I.M.; Bot, O.; Onu, V., Bull. Inst. Politeh. Iasi., 1961, 7, 115. [all data]

Benoit, Harrison, et al., 1977
Benoit, F.M.; Harrison, A.G.; Lossing, F.P., Hydrogen migrations in mass spectrometry III-Energetics of formation of [R'CO2H2]+ in the mass spectra of R'CO2R, Org. Mass Spectrom., 1977, 12, 78. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Vilesov and Terenin, 1957
Vilesov, F.I.; Terenin, A.N., The photoionization of the vapors of certain organic compounds, Dokl. Akad. Nauk SSSR, 1957, 115, 744, In original 539. [all data]

Sweigart and Turner, 1972
Sweigart, D.A.; Turner, D.W., Lone pair orbitals and their interactions studied by photoelectron spectroscopy. I. Carboxylic acids and their derivatives, J. Am. Chem. Soc., 1972, 94, 5592. [all data]

Brion and Dunning, 1963
Brion, C.E.; Dunning, W.J., Electron impact studies of simple carboxylic esters, J. Chem. Soc. Faraday Trans., 1963, 59, 647. [all data]

Haas, Giblin, et al., 1998
Haas, G.W.; Giblin, D.E.; Gross, M.L., The Mechanism and Thermodynamics of Transesterification of Acetate-Ester Enolates in the Gas Phase, Int. J. Mass Spectrom. Ion Proc., 1998, 172, 1-2, 25, https://doi.org/10.1016/S0168-1176(97)83245-4 . [all data]

Wojtyniak and Stone, 1986
Wojtyniak, A.C.M.; Stone, A.J., A High-Pressure Mass Spectrometric Study of the Bonding of Trimethylsilylium to Oxygen and Aromatic Bases, Can. J. Chem., 1986, 74, 59. [all data]

Stone and Splinter, 1984
Stone, J.A.; Splinter, D.E., A high-pressure mass spectrometric study of the binding of (CH3)3Sn+ to lewis bases in the gas phase, Int. J. Mass Spectrom. Ion Processes, 1984, 59, 169. [all data]


Notes

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