Pentanoic acid, propyl ester


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
Δcliquid-1159.60 ± 0.30kcal/molCcbSchjanberg, 1937Reanalyzed by Cox and Pilcher, 1970, Original value = -1158.7 ± 0.9 kcal/mol; At 293 K; Corresponding Δfliquid = -139.33 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:
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

Quantity Value Units Method Reference Comment
Tboil440.7KN/AWeast and Grasselli, 1989BS
Tboil440.7KN/AGill and Dexter, 1934Uncertainty assigned by TRC = 1. K; TRC
Tboil440.7KN/AGartenmeister, 1886Uncertainty assigned by TRC = 2. K; TRC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
9.5293.VSchjanberg, 1937At 293 K; ALS

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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 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. 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

CH6N+ + Pentanoic acid, propyl ester = (CH6N+ • Pentanoic acid, propyl ester)

By formula: CH6N+ + C8H16O2 = (CH6N+ • C8H16O2)

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

Quantity Value Units Method Reference Comment
Δr30.0kcal/molPHPMSMeot-Ner, 1984gas phase
Quantity Value Units Method Reference Comment
Δr34.8cal/mol*KPHPMSMeot-Ner, 1984gas phase

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

CH6N+ + Pentanoic acid, propyl ester = (CH6N+ • Pentanoic acid, propyl ester)

By formula: CH6N+ + C8H16O2 = (CH6N+ • C8H16O2)

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

Quantity Value Units Method Reference Comment
Δr30.0kcal/molPHPMSMeot-Ner, 1984gas phase
Quantity Value Units Method Reference Comment
Δr34.8cal/mol*KPHPMSMeot-Ner, 1984gas phase

IR Spectrum

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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

Gas Phase Spectrum

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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 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
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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 Japan AIST/NIMC Database- Spectrum MS-NW-5438
NIST MS number 235033

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.


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
CapillaryOV-10180.979.Komárek, Hornová, et al., 1983Column length: 15. m; Column diameter: 0.22 mm
PackedSE-30150.971.Ashes and Haken, 1974Celaton (62-72 mesh); Column length: 3.7 m
PackedSE-30100.977.Chastrette, Heintz, et al., 1974N2, Chromosorb W AW (60-80 mesh); Column length: 3. m
PackedSE-30150.980.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-30971.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 20M100.1217.Chastrette, Heintz, et al., 1974Chromosorb WAW (60-80 mesh); Column length: 3. m

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

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Column type Active phase I Reference Comment
CapillarySE-30971.Liu, Liang, et al., 2007Program: not specified
CapillarySE-30981.Vinogradov, 2004Program: not specified

Normal alkane RI, polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryCarbowax 20M1200.Vinogradov, 2004Program: not specified
CapillaryDB-Wax1233.Peng, Yang, et al., 1991Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Subscription Links, 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]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Gill and Dexter, 1934
Gill, A.H.; Dexter, F.P., Ind. Eng. Chem., 1934, 26, 881. [all data]

Gartenmeister, 1886
Gartenmeister, R., Investigation of the physical characterstics of liquid compounds: vi boiling point and specific volume of normal fatty acid esters, Justus Liebigs Ann. Chem., 1886, 233, 249-315. [all data]

Meot-Ner, 1984
Meot-Ner, (Mautner)M., The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects, J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015 . [all data]

Komárek, Hornová, et al., 1983
Komárek, K.; Hornová, L.; Horna, A.; Churácek, J., Glass capillary gas chromatography of homologous series of esters. IV. Separation of homologous series of certain halogenopropyl esters of aliphatic carboxylic acids on OV-101, J. Chromatogr., 1983, 281, 299-303, https://doi.org/10.1016/S0021-9673(01)87889-4 . [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]

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]

Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F., Prediction of rentention idexes. II. Structure-retention index relationship on polar columns, J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F . [all data]


Notes

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