Pentanamide

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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
Δcsolid-755.28 ± 0.25kcal/molCcbYoung, Keith, et al., 1956Reanalyzed by Cox and Pilcher, 1970, Original value = -754.56 ± 0.25 kcal/mol; see Dzombak, 1956

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus379.0KN/ADavies, Jones, et al., 1959Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Δsub21.3 ± 0.1kcal/molVDavies, Jones, et al., 1959ALS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
21.3353. to 373.N/AJones, 1960AC
21.3 ± 0.1333. to 374.GSDavies, Jones, et al., 1959See also Cox and Pilcher, 1970, 2.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
4.28377.2Abate, Badea, et al., 2008AC

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:


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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IR 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 Sadtler Research Labs Under US-EPA Contract
State gas

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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Due to licensing restrictions, this spectrum cannot be downloaded.

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-1271
NIST MS number 230762

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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

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

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Column type Active phase I Reference Comment
CapillaryZB-1 MS918.Bajpai, Al-Reza, et al., 200930. m/0.25 mm/0.25 μm, Helium; Program: 50 0C 3 0C/min -> 150 0C (10 min) 10 0C/min -> 250 0C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryStabilwax DA2006.Henderson and Henderson, 199215. m/0.25 mm/0.25 μm, He; Program: not specified

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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.

Young, Keith, et al., 1956
Young, J.A.; Keith, J.E.; Stehle, P.; Dzombak, W.C.; Hunt, H., Heats of combustion of some organic nitrogen compounds, Ind. Eng. Chem., 1956, 48, 1375-1378. [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]

Dzombak, 1956
Dzombak, W.C., The heats of combustion of some amides and amines, Dissertation Abstr,, 1956, 22-23. [all data]

Davies, Jones, et al., 1959
Davies, M.; Jones, A.H.; Thomas, G.H., The lattice energies of the straight-chain primary amides, Trans. Faraday Soc., 1959, 55, 1100. [all data]

Jones, 1960
Jones, A.H., Sublimation Pressure Data for Organic Compounds., J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019 . [all data]

Cox and Pilcher, 1970, 2
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Abate, Badea, et al., 2008
Abate, Lorenzo; Badea, Elena; Blanco, Ignazio; Della Gatta, Giuseppe, Heat Capacities and Enthalpies of Solid-Solid Transitions and Fusion of a Series of Eleven Primary Alkylamides by Differential Scanning Calorimetry, J. Chem. Eng. Data, 2008, 53, 4, 959-965, https://doi.org/10.1021/je700662a . [all data]

Bajpai, Al-Reza, et al., 2009
Bajpai, V.K.; Al-Reza, S.M.; Choi, U.L.; Lee, J.H.; Kang, S.C., Chemical composition, antibacterial and antioxidant activities of leaf essential oil and extracts of Metasequioa glyptostroboides Miki ex Hu, Food Chem. Toxicol., 2009, 47, 8, 1876-1883, https://doi.org/10.1016/j.fct.2009.04.043 . [all data]

Henderson and Henderson, 1992
Henderson, D.E.; Henderson, S.K., Thermal decomposition of capsaicin. 1. Interactions with oleic acid at high temperatures, J. Agric. Food Chem., 1992, 40, 11, 2263-2268, https://doi.org/10.1021/jf00023a042 . [all data]


Notes

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