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Acetic acid, methyl 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 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
Deltafgas-410.0kJ/molCcrHall and Baldt, 1971ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
55.78100.Chao J., 1986p=1 bar. Recommended Cp(T) values are in close agreement with those calculated by [ Vay P.-M., 1971]. S(T) values calculated by [ Vay P.-M., 1971] are 4.6-4.8 J/mol*K lower than those of [ Chao J., 1986].; GT
63.27150.
70.02200.
81.56273.15
86.03 ± 0.12298.15
86.37300.
105.31400.
123.40500.
139.25600.
152.84700.
164.47800.
174.46900.
183.061000.
190.471100.
196.871200.
202.391300.
207.181400.
211.341500.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
92.58335.0Connett J.E., 1976GT
95.46350.0
100.39375.0
105.31400.0
109.98425.0
114.63450.0

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
Deltafliquid-445.89kJ/molCcrHall and Baldt, 1971ALS
Quantity Value Units Method Reference Comment
Deltacliquid-1583.kJ/molCcbSeno, Tsuchiya, et al., 1975Corresponding «DELTA»fliquid = -455.2 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-1592.2 ± 0.67kJ/molCcrHall and Baldt, 1971Corresponding «DELTA»fliquid = -445.85 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
140.2288.58Okamoto, Oguni, et al., 1992T = 13 to 290 K. Unsmoothed experimental datum.; DH
141.34298.15Pintos, Bravo, et al., 1988DH
140.6298.15Costas and Patterson, 1985T = 283.15, 298.15, 313.15 K.; DH
140.56298.15Costas and Patterson, 1985, 2T = 283.15, 298.15, 313.15 K.; DH
123.7297.Hall and Baldt, 1971DH

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
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil330.0 ± 0.9KAVGN/AAverage of 50 out of 55 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus175.15KN/ATimmermans and Hennaut-Roland, 1955Uncertainty assigned by TRC = 0.3 K; TRC
Tfus175.1KN/ATimmermans, 1911Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple174.90KN/AOkamoto, Oguni, et al., 1992, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Tc510. ± 30.KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Pc47.50barN/AAmbrose, Ellender, et al., 1981Uncertainty assigned by TRC = 0.0474 bar; Visual; TRC
Pc46.94barN/AYoung, 1910Uncertainty assigned by TRC = 0.8106 bar; TRC
Pc46.943barN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.40 bar; TRC
Pc48.17barN/ANadezhdin, 1887Uncertainty assigned by TRC = 1.0132 bar; TRC
Pc58.40barN/ASajots, 1879Uncertainty assigned by TRC = 6.0795 bar; TRC
Quantity Value Units Method Reference Comment
rhoc4.394mol/lN/AYoung and Thomas, 1893Uncertainty assigned by TRC = 0.05 mol/l; TRC
rhoc4.32mol/lN/ANadezhdin, 1887Uncertainty assigned by TRC = 0.08 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap33. ± 4.kJ/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
30.32330.1N/AMajer and Svoboda, 1985 
34.1275.AStephenson and Malanowski, 1987Based on data from 260. - 351. K.; AC
33.4289.AStephenson and Malanowski, 1987Based on data from 274. - 329. K. See also Polák and Mertl, 1965 and Dykyj, 1970.; AC
31.8323.DTAMeyer, Awe, et al., 1980Based on data from 308. - 338. K.; AC
29.5 ± 0.1343.CSvoboda, Uchytilová, et al., 1980AC
32.2 ± 0.1304.CSvoboda, Veselý, et al., 1977AC
31.6 ± 0.1313.CSvoboda, Veselý, et al., 1977AC
30.5 ± 0.1328.CSvoboda, Veselý, et al., 1977AC
30.3 ± 0.1331.CSvoboda, Veselý, et al., 1977AC
32.5295.N/AConnett, Counsell, et al., 1976AC
30.2330.N/AConnett, Counsell, et al., 1976AC
34.5296.BGBaldt and Hall, 1971Based on data from 273. - 318. K.; AC

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) beta Tc (K) Reference Comment
296. - 343.48.510.2757506.8Majer 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
274.91 - 328.994.203641164.426-52.69Polák and Mertl, 1965Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
7.486174.897Okamoto, Oguni, et al., 1992DH
7.49174.9Okamoto, Oguni, et al., 1992AC

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:


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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
RCD - Robert C. Dunbar

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

C3H7O2+ + Acetic acid, methyl ester = (C3H7O2+ bullet Acetic acid, methyl ester)

By formula: C3H7O2+ + C3H6O2 = (C3H7O2+ bullet C3H6O2)

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

Quantity Value Units Method Reference Comment
Deltar122.kJ/molPHPMSSzulejko and McMahon, 1991gas phase; M
Deltar124.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
Deltar141.J/mol*KPHPMSSzulejko and McMahon, 1991gas phase; M
Deltar129.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
Deltar85.8kJ/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

C3H5O2- + Hydrogen cation = Acetic acid, methyl ester

By formula: C3H5O2- + H+ = C3H6O2

Quantity Value Units Method Reference Comment
Deltar1556. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Deltar1556. ± 15.kJ/molD-EAZimmerman, Reed, et al., 1977gas phase; B
Deltar1573. ± 15.kJ/molEIAEPariat and Allan, 1991gas phase; From CH3CO2Me; B
Quantity Value Units Method Reference Comment
Deltar1528. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

C3H9Sn+ + Acetic acid, methyl ester = (C3H9Sn+ bullet Acetic acid, methyl ester)

By formula: C3H9Sn+ + C3H6O2 = (C3H9Sn+ bullet C3H6O2)

Quantity Value Units Method Reference Comment
Deltar161.kJ/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar136.J/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
89.1525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

Ethane, 1,1,1-trimethoxy- + Water = 2Methyl Alcohol + Acetic acid, methyl ester

By formula: C5H12O3 + H2O = 2CH4O + C3H6O2

Quantity Value Units Method Reference Comment
Deltar-26.89 ± 0.03kJ/molCmWiberg, Martin, et al., 1985liquid phase; solvent: Aqueous dioxane; ALS
Deltar-27.046 ± 0.030kJ/molCmWiberg and Squires, 1979liquid phase; solvent: Water; Hydrolysis; ALS

CH6N+ + Acetic acid, methyl ester = (CH6N+ bullet Acetic acid, methyl ester)

By formula: CH6N+ + C3H6O2 = (CH6N+ bullet C3H6O2)

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

Quantity Value Units Method Reference Comment
Deltar98.3kJ/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar104.J/mol*KPHPMSMeot-Ner, 1984gas phase; M

Nitric oxide anion + Acetic acid, methyl ester = (Nitric oxide anion bullet Acetic acid, methyl ester)

By formula: NO- + C3H6O2 = (NO- bullet C3H6O2)

Quantity Value Units Method Reference Comment
Deltar167.kJ/molICRReents and Freiser, 1981gas phase; switching reaction,Thermochemical ladder(NO+)C2H5OH, Entropy change calculated or estimated; Farid and McMahon, 1978; M

Lithium ion (1+) + Acetic acid, methyl ester = (Lithium ion (1+) bullet Acetic acid, methyl ester)

By formula: Li+ + C3H6O2 = (Li+ bullet C3H6O2)

Quantity Value Units Method Reference Comment
Deltar180.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M

Sodium ion (1+) + Acetic acid, methyl ester = (Sodium ion (1+) bullet Acetic acid, methyl ester)

By formula: Na+ + C3H6O2 = (Na+ bullet C3H6O2)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
97.5298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

Water + Acetic acid, methyl ester = Acetic acid + Methyl Alcohol

By formula: H2O + C3H6O2 = C2H4O2 + CH4O

Quantity Value Units Method Reference Comment
Deltar4.39kJ/molCmCoon and Daniels, 1933liquid phase; solvent: in HCl; ALS

Ketene + Methyl Alcohol = Acetic acid, methyl ester

By formula: C2H2O + CH4O = C3H6O2

Quantity Value Units Method Reference Comment
Deltar-154.5kJ/molCmRice and Greenberg, 1934gas phase; ALS

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References, Notes

Data compiled by: Coblentz Society, Inc.

Data compiled by: Tanya L. Myers, Russell G. Tonkyn, Ashley M. Oeck, Tyler O. Danby, John S. Loring, Matthew S. Taubman, Stephen W. Sharpe, Jerome C. Birnbaum, and Timothy J. Johnson

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


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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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 1998.
NIST MS number 291292

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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 sigma = 1


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a' 1 CH3(O) d-str 3035  D 3035 M gas 3028 liq.
a' 2 CH3(C) d-str 3031  E SF(«nu»2 )of 3OCD3
a' 3 CH3(O) s-str 2966  D 2966 S gas 2954 p liq.
a' 4 CH3(C) s-str 2964  E 2942 p liq. SF(«nu»4 )of 3OCD3
a' 5 C=O str 1771  C 1771 VS gas 1738 p liq.
a' 6 CH3(O) d-deform 1460  E 1460 W sh solid solid OV(«nu»20)
a' 7 CH3(O) s-deform 1440  D 1440 M gas
a' 8 CH3(C) d-deform 1430  E SF(«nu»8 )of 3OCD3
a' 9 CH3(C) s-deform 1375  D 1375 S gas 1372 p liq.
a' 10 C-O str 1248  C 1248 VS gas 1254 liq.
a' 11 CH3(O) rock 1159  E 1159 VW liq.
a' 12 O-CH3 str 1060  C 1060 S gas 1044 liq.
a' 13 CH3(C) rock 980  C 980 W gas 980 p liq.
a' 14 CC str 844  C 844 M gas 844 p liq.
a' 15 C=O ip-bend 639  C 639 M gas 640 p liq.
a' 16 CCO deform 429  C 429 M gas 433 p liq.
a 17 COC deform 303  D 303 M gas 303 p liq.
a 18 CH3(O) d-str 3005  D 3005 M gas 3002 liq.
a 19 CH3(C) d-str 2994  D 2994 W gas
a 20 CH3(O) d-deform 1460  E 1460 W sh solid solid 1449 dp liq. OV(«nu»6)
a 21 CH3(C) d-deform 1430  E 1430 W gas
a 22 CH3(O) rock 1187  D 1187 W gas 1187 liq.
a 23 CH3(C) rock 1036  E 1036 W sln.
a 24 C=O op-bend 607  D 607 M gas 610 dp liq.
a 25 C-O torsion 187  D 187 W gas
a 26 C-C torsion 136  E 136 VW liq.
a 27 O-CH3 torsion 110  E 110 VW liq.

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
shShoulder
pPolarized
dpDepolarized
OCFrequency estimated from an overtone or a combination tone indicated in the parentheses.
SFCalculation shows that the frequency approximately equals that of the vibration indicated in the parentheses.
OVOverlapped by band indicated in parentheses.
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty
E15~30 cm-1 uncertainty

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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.

Hall and Baldt, 1971
Hall, H.K., Jr.; Baldt, J.H., Thermochemistry of strained-ring bridgehead nitriles and esters, J. Am. Chem. Soc., 1971, 93, 140-145. [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]

Vay P.-M., 1971
Vay P.-M., Tables of thermodynamic functions for gaseous methyl formate and methyl acetate, J. Chim. Phys. Physico-Chim. Biol., 1971, 68, 1757-1758. [all data]

Connett J.E., 1976
Connett J.E., Thermodynamic properties of organic oxygen compounds. XLIV. Vapor heat capacities and enthalpies of vaporization of methyl acetate, ethyl acetate, and propyl acetate, J. Chem. Thermodyn., 1976, 8, 1199-1203. [all data]

Seno, Tsuchiya, et al., 1975
Seno, M.; Tsuchiya, S.; Kise, H.; Asahara, T., Studies on bond character in phosphorus ylides by combustion heat and x-ray photoelectron spectroscopy, Bull. Chem. Soc. Jpn., 1975, 48, 2001-2005. [all data]

Okamoto, Oguni, et al., 1992
Okamoto, N.; Oguni, M.; Suga, H., Low temperature calorimetric study of methyl acetate, Thermochim. Acta, 1992, 202, 215-222. [all data]

Pintos, Bravo, et al., 1988
Pintos, M.; Bravo, R.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Can. J. Chem., 1988, 1179. [all data]

Costas and Patterson, 1985
Costas, M.; Patterson, D., Heat capacities of water + organic-solvent mixtures, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 2381-2398. [all data]

Costas and Patterson, 1985, 2
Costas, M.; Patterson, D., Self-association of alcohols in inert solvents, J. Chem. Soc., Faraday Trans. 1, 1985, 81, 635-654. [all data]

Timmermans and Hennaut-Roland, 1955
Timmermans, J.; Hennaut-Roland, M., Work of the International Bureau of Physical-Chemical Standards. IX. The Physical Constants of Twenty Organic Compounds, J. Chim. Phys. Phys.-Chim. Biol., 1955, 52, 223. [all data]

Timmermans, 1911
Timmermans, J., Researches on the freezing point of organic liquid compounds, Bull. Soc. Chim. Belg., 1911, 25, 300. [all data]

Okamoto, Oguni, et al., 1992, 2
Okamoto, N.; Oguni, M.; Saga, H., Low temperature calorimetric study of methyl acetate, Thermochim. Acta, 1992, 202, 215, https://doi.org/10.1016/0040-6031(92)85165-R . [all data]

Ambrose, Ellender, et al., 1981
Ambrose, D.; Ellender, J.H.; Gundry, H.A.; Lee, D.A.; Townsend, R., Thermodynamic properties of organic oxygen compounds. LI. The vapour pressures of some esters and fatty acids, J. Chem. Thermodyn., 1981, 13, 795. [all data]

Young, 1910
Young, S., The Internal Heat of Vaporization constants of thirty pure substances, Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]

Young and Thomas, 1893
Young, S.; Thomas, G.L., The vapour pressures, molecular volumes, and critical constants of ten of the lower esters, J. Chem. Soc., 1893, 63, 1191. [all data]

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

Sajots, 1879
Sajots, W., Vapor Pressures of Saturated Vapors at High Temperatures., Beibl. Ann. Phys., 1879, 3, 741-3. [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]

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]

Polák and Mertl, 1965
Polák, J.; Mertl, I., Saturated vapour pressure of methyl acetate, ethyl acetate, n-propyl acetate, methyl propionate, and ethyl propionate, Collect. Czech. Chem. Commun., 1965, 30, 10, 3526-3528, https://doi.org/10.1135/cccc19653526 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [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]

Svoboda, Veselý, et al., 1977
Svoboda, V.; Veselý, F.; Holub, R.; Pick, J., Heats of vaporization of alkyl acetates and propionates, Collect. Czech. Chem. Commun., 1977, 42, 3, 943-951, https://doi.org/10.1135/cccc19770943 . [all data]

Connett, Counsell, et al., 1976
Connett, J.E.; Counsell, J.F.; Lee, D.A., Thermodynamic properties of organic oxygen compounds XLIV. Vapour heat capacities and enthalpies of vaporization of methyl acetate, ethyl acetate, and propyl acetate, The Journal of Chemical Thermodynamics, 1976, 8, 12, 1199-1203, https://doi.org/10.1016/0021-9614(76)90129-4 . [all data]

Baldt and Hall, 1971
Baldt, J.H.; Hall, H.K.K., Jr., Thermochemistry of strained-ring bridgehead nitriles and esters, J. Am. Chem. Soc., 1971, 93, 140-145. [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]

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]

Bartmess, Scott, et al., 1979
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Notes

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