2-Pyrrolidinone

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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
Δfgas-47.17 ± 0.73kcal/molCcbSteele, Chirico, et al., 1989 

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
Δfliquid-63.59 ± 0.10kcal/molCcbSteele, Chirico, et al., 1989ALS
Quantity Value Units Method Reference Comment
Δcliquid-551.721 ± 0.081kcal/molCcbSteele, Chirico, et al., 1989ALS
Δcliquid-546.90 ± 0.10kcal/molCcbStrepikeev, Skuratov, et al., 1955Reanalyzed by Cox and Pilcher, 1970, Original value = -547.1 kcal/mol; ALS
Quantity Value Units Method Reference Comment
liquid45.34cal/mol*KN/AKolesov, Paukov, et al., 1962DH
Quantity Value Units Method Reference Comment
solid,1 bar32.70cal/mol*KN/AKolesov, Paukov, et al., 1959DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
40.54300.Steele, Chirico, et al., 1989DH
40.49300.00Kolesov, Paukov, et al., 1962T = 60 to 350 K.; DH

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
32.41290.Kolesov, Paukov, et al., 1959T = 60 to 335 K.; DH

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
AC - William E. Acree, Jr., James S. Chickos
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
Tboil518.2KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus298.72KN/ABlumenshine and Sears, 1966Uncertainty assigned by TRC = 0.1 K; TRC
Tfus298.65KN/AStrepikheev, Skuratov, et al., 1955Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple299.080KN/AKolesov, Paukov, et al., 1962, 2Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Δvap17.6 ± 0.31kcal/molEB,BGMorgan and Kopp, 1998Based on data from 391. to 484. K.; AC
Δvap16.41 ± 0.36kcal/molVSteele, Chirico, et al., 1989ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
406.20.016Weast and Grasselli, 1989BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
14.410.AStephenson and Malanowski, 1987Based on data from 395. to 518. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
3.3270299.082Kolesov, Paukov, et al., 1962DH
3.3270299.082Kolesov, Paukov, et al., 1959DH
3.327299.Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
11.1299.082Kolesov, Paukov, et al., 1962DH
11.1299.082Kolesov, Paukov, et al., 1959DH

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

Go To: Top, Gas phase thermochemistry data, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

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

View image of digitized spectrum (can be printed in landscape orientation).

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-4213
NIST MS number 227720

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, IR Spectrum, 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.

Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K., Determination of some pure compound ideal-gas enthalpies of formation, AIChE Symp. Ser., 1989, 85, 140-162. [all data]

Strepikeev, Skuratov, et al., 1955
Strepikeev, A.A.; Skuratov, S.M.; Kachinskaya, O.N.; Muromova, R.S.; Brikina, E.P.; Shtekhter, S.M., About the tension of cycle in lactames, Dokl. Akad. Nauk SSSR, 1955, 102, 105-108. [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]

Kolesov, Paukov, et al., 1962
Kolesov, V.P.; Paukov, I.E.; Skuratov, S.M., Free energy change in the polymerization of lactams under standard conditions [low temperature heat capacities of lactams and potassium], Zhur. Fiz. Khim., 1962, 36, 770-779. [all data]

Kolesov, Paukov, et al., 1959
Kolesov, V.P.; Paukov, I.E.; Skuratov, S.M.; Seregin, E.A., Standard entropies of certain lactams, Dokl. Akad. Nauk., 1959, SSSR 128, 130-132. [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]

Blumenshine and Sears, 1966
Blumenshine, R.L.; Sears, P.G., Several Properties of the 2-Pyrrolidone-Water System as Functions of Composition and Temperature, J. Chem. Eng. Data, 1966, 11, 141. [all data]

Strepikheev, Skuratov, et al., 1955
Strepikheev, A.A.; Skuratov, S.M.; Kachinskaya, O.N.; Muromova, R.S.; Brykina, E.P.; Shtekher, S.M., Dokl. Akad. Nauk SSSR, 1955, 102, 105. [all data]

Kolesov, Paukov, et al., 1962, 2
Kolesov, V.P.; Paukov, I.E.; Skuratov, S.M., Free energy change in the polymerizations of lactams under standard conditions chloride), Zh. Fiz. Khim., 1962, 36, 770. [all data]

Morgan and Kopp, 1998
Morgan, Kathleen M.; Kopp, Daniel A., Solvent effects on the stability of simple secondary amides «8224», J. Chem. Soc., Perkin Trans. 2, 1998, 12, 2759-2764, https://doi.org/10.1039/a802717j . [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]

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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

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