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Butanoic acid, 2-methyl-, ethyl ester

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References, Notes

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

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-516.1 ± 1.4kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER
Deltafgas-522.6 ± 8.8kJ/molCcbHancock, Watson, et al., 1954Heat of formation derived by Cox and Pilcher, 1970

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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
Deltafliquid-560.4 ± 1.4kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER; ALS
Quantity Value Units Method Reference Comment
Deltacliquid-4195.0 ± 1.3kJ/molCcbVerevkin, Beckhaus, et al., 1992See 90BEC/VER; Corresponding «DELTA»fliquid = -560.40 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacliquid-4188.6 ± 8.4kJ/molCcbHancock, Watson, et al., 1954Reanalyzed by Cox and Pilcher, 1970, Original value = -4188. kJ/mol; Heat of formation derived by Cox and Pilcher, 1970; Corresponding «DELTA»fliquid = -566.76 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
327.4298.15Verevkin, Beckhaus, et al., 1992DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil406.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil406.05KN/AHancock, Watson, et al., 1954, 2Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Deltavap44.3 ± 0.3kJ/molVVerevkin, Beckhaus, et al., 1992See 90BEC/VER; ALS
Deltavap44.3kJ/molN/AVerevkin, Beckhaus, et al., 1992DRB
Deltavap64.7kJ/molGSVerevkin, Beckhaus, et al., 1992Based on data from 288. - 308. K.; AC
Deltavap44. ± 1.kJ/molVHancock, Watson, et al., 1954Heat of formation derived by Cox and Pilcher, 1970; ALS

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:


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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 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, 1990.
NIST MS number 114887

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.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

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

Verevkin, Beckhaus, et al., 1992
Verevkin, S.P.; Beckhaus, H.-D.; Ruchardt, C., Geminale substituenteneffekte Teil 5«alpha». Standardbildungsenthalpien von alkylsubstituierten Malonsaure- und «alpha»-aminocarbonsaureestern, Thermochim. Acta, 1992, 197, 27-39. [all data]

Hancock, Watson, et al., 1954
Hancock, C.K.; Watson, G.M.; Gilby, R.F., Heats of combustion of five-carbon fatty acids and their methyl and ethyl esters, J. Phys. Chem., 1954, 58, 127-129. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Hancock, Watson, et al., 1954, 2
Hancock, C.K.; Watson, G.M.; Gilby, R.F., Heats of Combustion of Five-Carbon Fatty Acids and Their Methyl and Ethyl Esters, J. Phys. Chem., 1954, 58, 127. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References