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Pentanoic acid, 2-methylpropyl 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-135.9 ± 0.9kcal/molCcbSchjanberg, 1937Heat of formation derived by Cox and Pilcher, 1970

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

Quantity Value Units Method Reference Comment
Deltafliquid-148.2 ± 0.8kcal/molCcbSchjanberg, 1937Heat of formation derived by Cox and Pilcher, 1970
Quantity Value Units Method Reference Comment
Deltacliquid-1311.30 ± 0.80kcal/molCcbSchjanberg, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -1311. ± 2. kcal/mol; At 293 K; Corresponding «DELTA»fliquid = -150.00 kcal/mol (simple calculation by NIST; no Washburn corrections)

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Deltavap12.3 ± 0.3kcal/molESchjanberg, 1937Heat of formation derived by Cox and Pilcher, 1970; ALS
Deltavap12.2kcal/molN/ASchjanberg, 1937DRB

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
9.8293.VSchjanberg, 1937At 293 K; ALS

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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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 V.Zaikin,Topchiev Inst.Petrochem.Synth.,Moscow
NIST MS number 282360

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Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedSE-30150.1027.Ashes and Haken, 1974Celaton (62-72 mesh); Column length: 3.7 m
PackedSE-30150.1009.Ashes and Haken, 1974Celaton (62-72 mesh); Column length: 3.7 m
PackedSE-30100.1036.Chastrette, Heintz, et al., 1974N2, Chromosorb W AW (60-80 mesh); Column length: 3. m
PackedSE-30150.1027.Germaine and Haken, 1969Celite 560; Column length: 3.7 m

Kovats' RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySE-301027.Chretien and Dubois, 1978Program: not specified
CapillarySE-301009.Chretien and Dubois, 1978Program: not specified

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedCarbowax 20M100.1253.Chastrette, Heintz, et al., 1974Chromosorb WAW (60-80 mesh); Column length: 3. m

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-51044.Scrivanti, Anton, et al., 200930. m/0.25 mm/0.25 «mu»m, Nitrogen, 2. K/min; Tstart: 40. C; Tend: 230. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillarySE-301027.Liu, Liang, et al., 2007Program: not specified
CapillarySE-301040.Vinogradov, 2004Program: not specified

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1252.Vinogradov, 2004Program: not specified

References

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

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

Schjanberg, 1937
Schjanberg, E., Die verbrennungswarmen und die refraktionsdaten einiger pentensaureeste, Z. Phys. Chem., 1937, 178, 274-281. [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]

Ashes and Haken, 1974
Ashes, J.R.; Haken, J.K., Gas chromatography of homologous esters. VI. Structure-retention increments of aliphatic esters, J. Chromatogr., 1974, 101, 1, 103-123, https://doi.org/10.1016/S0021-9673(01)94737-5 . [all data]

Chastrette, Heintz, et al., 1974
Chastrette, M.; Heintz, M.; Druilhe, A.; Lefort, D., Analyse chromatographique d'esters aliphatiques saturés. Relations rétention-structure et prévision de la rétention, Bull. Soc. Chim. Fr., 1974, 9/10,Pt.1, 1852-1856. [all data]

Germaine and Haken, 1969
Germaine, R.W.; Haken, J.K., Gas chromatography of homologous esters. Part 1. Simple aliphatic esters, J. Chromatogr., 1969, 43, 33-42, https://doi.org/10.1016/S0021-9673(00)99162-3 . [all data]

Chretien and Dubois, 1978
Chretien, J.R.; Dubois, J-E., Topological Analysis: A Technique for the Physico-Chemical Exploitation of Retention Data in Gas-Liquid Chromatography, J. Chromatogr., 1978, 158, 43-56, https://doi.org/10.1016/S0021-9673(00)89954-9 . [all data]

Scrivanti, Anton, et al., 2009
Scrivanti, L.R.; Anton, A.M.; Zygadlo, J.A., Essential oil conposition of Bothriochloa Kuntze (Poaceae) from South America and their chemotaxonomy, Biochem. Systematics Ecol., 2009, 37, 3, 206-213, https://doi.org/10.1016/j.bse.2009.03.009 . [all data]

Liu, Liang, et al., 2007
Liu, F.; Liang, Y.; Cao, C.; Zhou, N., QSPR study of GC retention indices for saturated esters on seven stationary phases based on novel topological indices, Talanta, 2007, 72, 4, 1307-1315, https://doi.org/10.1016/j.talanta.2007.01.038 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]


Notes

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