2-Pyrrolidinone, 1-methyl-

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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-210.85 ± 0.56kJ/molCcrSteele, Chirico, et al., 1990Author was aware that data differs from previously reported values

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-265.73 ± 0.54kJ/molCcrSteele, Chirico, et al., 1990Author was aware that data differs from previously reported values; ALS
Quantity Value Units Method Reference Comment
Δcliquid-2988.05 ± 0.46kJ/molCcrSteele, Chirico, et al., 1990Author was aware that data differs from previously reported values; ALS
Δcliquid-2992. ± 0.4kJ/molCcbKozina and Skuratov, 1959ALS
Δcliquid-2994.kJ/molCcbSkuratov, Kozina, et al., 1958ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
412.4298.15Steele, Chirico, et al., 1990DH
307.8298.Marchidan and Ciopec, 1978T = 298 to 461 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

Quantity Value Units Method Reference Comment
Tboil475.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tc721.7KN/AGude and Teja, 1994Uncertainty assigned by TRC = 0.5 K; by the flow method; TRC
Tc721.8KN/ATeja and Anselme, 1990Uncertainty assigned by TRC = 0.4 K; TRC
Quantity Value Units Method Reference Comment
Pc45.20barN/AGude and Teja, 1994Uncertainty assigned by TRC = 0.25 bar; by the flow method; TRC
Quantity Value Units Method Reference Comment
ρc3.22mol/lN/ATeja and Anselme, 1990Uncertainty assigned by TRC = 0.06 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap61.9kJ/molEBChylinski, Fras, et al., 2004Based on data from 352. to 378. K.; AC
Δvap54.88 ± 0.13kJ/molVSteele, Chirico, et al., 1990Author was aware that data differs from previously reported values; ALS

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
354.70.013Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
49.5395.N/APalczewska-Tulinska and Oracz, 2007Based on data from 380. to 475. K.; AC
53.1345.GSLinek, Wichterle, et al., 1996Based on data from 330. to 373. K.; AC
53.4350.EBKneisl and Zondlo, 1987Based on data from 340. to 476. K.; AC
47.7425.EBKneisl and Zondlo, 1987Based on data from 340. to 476. K.; AC
49.2376.AStephenson and Malanowski, 1987Based on data from 361. to 477. K. See also Dykyj, 1972.; AC
55.3295.AStephenson and Malanowski, 1987Based on data from 291. to 299. K.; AC
49.3403.N/ABludilina, Baev, et al., 1979Based on data from 333. to 473. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
18.1248.5Lisicki and Jamróz, 2000AC

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:


Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

View reactions leading to C5H9NO+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)923.5kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity891.6kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.17PETreschanke and Rademacher, 1985Vertical value; LBLHLM

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.
NIST MS number 1024

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, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M1646.Nishimura, Yamaguchi, et al., 19892. K/min; Column length: 50. m; Column diameter: 0.22 mm; Tstart: 80. C; Tend: 200. C

Van Den Dool and Kratz RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1678.Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 200730. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 4. K/min, 250. C @ 15. min
CapillaryStabilwax1660.Cros S., Lignot B., et al., 200560. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 3. K/min, 240. C @ 10. min
CapillaryStabilwax1660.Cros, Lignot, et al., 200560. m/0.25 mm/0.25 μm, He, 40. C @ 5. min, 3. K/min, 240. C @ 10. min
CapillaryDB-Wax1665.Aubert, Günata, et al., 200330. m/0.32 mm/0.5 μm, 40. C @ 3. min, 2. K/min, 245. C @ 20. min

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-51045.5Leffingwell and Alford, 200560. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min
CapillaryMDN-51045.van Loon, Linssen, et al., 200560. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min
CapillaryMDN-51043.van Loon, Linssen, et al., 200560. m/0.25 mm/0.25 μm, He, 40. C @ 4. min, 4. K/min, 270. C @ 5. min
CapillaryOV-1011012.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C
CapillaryDB-51034.Savel'eva, Zenkevich, et al., 200325. m/0.20 mm/0.33 μm, Helium, 40. C @ 1. min, 5. K/min, 270. C @ 15. min
CapillaryRTX-51083.Sies A., Hirsch R., et al., 200220. m/0.18 mm/0.4 μm, He, 20. C @ 3.5 min, 40. K/min, 290. C @ 0.5 min
CapillaryBP-11009.Health Safety Executive, 200050. m/0.22 mm/0.75 μm, He, 5. K/min; Tstart: 50. C; Tend: 200. C
CapillaryDB-51042.Berdague, Denoyer, et al., 199160. m/0.32 mm/1.0 μm, He, 3. K/min; Tstart: 40. C; Tend: 240. C

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

View large format table.

Column type Active phase I Reference Comment
CapillaryMethyl Silicone1002.Savelieva and Zenkevich I., 2003Program: not specified
CapillaryMethyl Silicone1034.Savelieva and Zenkevich I., 2003Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax1662.Beck, Higbee, et al., 200860. m/0.32 mm/0.25 μm, Helium, 30. C @ 4. min, 2. K/min, 200. C @ 30. min
CapillaryInnowax1679.Petersen, Poll, et al., 199830. m/0.25 mm/0.25 μm, 40. C @ 10. min, 6. K/min, 240. C @ 25. min
CapillaryCarbowax 20M1652.Liardon and Ledermann, 1980H2, 2. K/min; Column length: 39. m; Column diameter: 0.30 mm; Tstart: 60. C; Tend: 220. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryHP Innowax FSP1678.Tasdemir, Demirci, et al., 200360. m/0.25 mm/0.25 μm, He; Program: 60C(10min) => 4C/min => 220C (10min) => 1C/min => 240C

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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.

Steele, Chirico, et al., 1990
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K., Determination of ideal-gas enthalpies of formation for key compounds, Am. Inst. Chem. Eng. Symp. Ser. (AIChE Symp. Ser.), 1990, 138-154. [all data]

Kozina and Skuratov, 1959
Kozina, M.P.; Skuratov, S.M., The enthalphy of polymerization of N-substituted lactames, Dokl. Akad. Nauk SSSR, 1959, 127, 561-563. [all data]

Skuratov, Kozina, et al., 1958
Skuratov, S.M.; Kozina, M.P.; Shtocher, S.M.; Prevalova, N.M.; Kamkina, L.S.; Zuko, V.D., Heats of combustion of cyclic compounds, Bull. Chem. Thermodyn., 1958, 1, 21. [all data]

Marchidan and Ciopec, 1978
Marchidan, D.I.; Ciopec, M., Relative enthalpies and related thermodynamic functions of some organic compounds by drop calorimetry, J. Therm. Anal., 1978, 14, 131-150. [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]

Gude and Teja, 1994
Gude, M.T.; Teja, A.S., The Critical Properties of Several n-Alkanals, Tetralin and NMP, Experimental Results for DIPPR 1990-91 Projects on Phase Equilibria and Pure Component Properties, 1994, 1994, DIPPR Data Series No. 2, p.174-83. [all data]

Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J., The critical properties of thermally stable and unstable fluids. II. 1986 results, AIChE Symp. Ser., 1990, 86, 279, 122-7. [all data]

Chylinski, Fras, et al., 2004
Chylinski, Krzysztof; Fras, Zbigniew; Malanowski, Stanislaw K., Vapor-Liquid Equilibrium for Propylene Glycol + 2-(2-Hexyloxyethoxy)ethanol and 1-Methyl-2-pyrrolidone + 1-Methoxypropan-2-ol «8224», J. Chem. Eng. Data, 2004, 49, 1, 18-23, https://doi.org/10.1021/je034096z . [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]

Palczewska-Tulinska and Oracz, 2007
Palczewska-Tulinska, Marcela; Oracz, Pawel, Vapor Pressures of 1-Methyl-2-pyrrolidone, 1-Methyl-azepan-2-one, and 1,2-Epoxy-3-chloropropane, J. Chem. Eng. Data, 2007, 52, 6, 2468-2471, https://doi.org/10.1021/je700398k . [all data]

Linek, Wichterle, et al., 1996
Linek, Jan; Wichterle, Ivan; Marsh, Kenneth N., Vapor-Liquid Equilibria for N- Methyl-2-pyrrolidone + Benzene, +Toluene, +Heptane, and +Methylcyclohexane, J. Chem. Eng. Data, 1996, 41, 6, 1212-1218, https://doi.org/10.1021/je9601826 . [all data]

Kneisl and Zondlo, 1987
Kneisl, Philip; Zondlo, John W., Vapor pressure, liquid density, and the latent heat of vaporization as functions of temperature for four dipolar aprotic solvents, J. Chem. Eng. Data, 1987, 32, 1, 11-13, https://doi.org/10.1021/je00047a003 . [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]

Dykyj, 1972
Dykyj, J., Petrochemia, 1972, 12, 1, 13. [all data]

Bludilina, Baev, et al., 1979
Bludilina, V.I.; Baev, A.K.; Matveev, V.K.; Gaidym, I.L.; Shcherbina, E.I., Zh. Fiz. Khim., 1979, 53, 1052. [all data]

Lisicki and Jamróz, 2000
Lisicki, Zygmunt; Jamróz, Malgorzata E., (Solid + liquid) equilibria in (polynuclear aromatic+ tertiary amide) systems, The Journal of Chemical Thermodynamics, 2000, 32, 10, 1335-1353, https://doi.org/10.1006/jcht.2000.0685 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Treschanke and Rademacher, 1985
Treschanke, L.; Rademacher, P., Electronic structure and conformational properties of the amide linkage, J. Mol. Struct., 1985, 122, 47. [all data]

Nishimura, Yamaguchi, et al., 1989
Nishimura, O.; Yamaguchi, K.; Mihara, S.; Shibamoto, T., Volatile Constituents of Guava Fruits (Psidium guajava L.) and Canned Puree, J. Agric. Food Chem., 1989, 37, 1, 139-142, https://doi.org/10.1021/jf00085a033 . [all data]

Pozo-Bayon M.A., Ruiz-Rodriguez A., et al., 2007
Pozo-Bayon M.A.; Ruiz-Rodriguez A.; Pernin K.; Cayot N., Influence of eggs on the aroma composition of a sponge cake and on the aroma release in model studies on flavored sponge cakes, J. Agric. Food Chem., 2007, 55, 4, 1418-1426, https://doi.org/10.1021/jf062203y . [all data]

Cros S., Lignot B., et al., 2005
Cros S.; Lignot B.; Bourseau P.; Jaouen P., Reverse osmosis for the production of aromatic concentrates from mussel cooking juices: a technical assessment, Desalination, 2005, 180, 1-3, 263-269, https://doi.org/10.1016/j.desal.2005.01.008 . [all data]

Cros, Lignot, et al., 2005
Cros, S.; Lignot, B.; Bourseau, P.; Jaouen, P.; Prost, C., Desalination of mussel cooking juices by electrodialysis: effect on the aroma profile, J. Food Eng., 2005, 69, 4, 425-436, https://doi.org/10.1016/j.jfoodeng.2004.08.036 . [all data]

Aubert, Günata, et al., 2003
Aubert, C.; Günata; Ambid, C.; Baumes, R., Changes in physicochemical characteristics and volatile constituents of yellow- and white-fleshed nectarines during maturation and artificial ripening, J. Agric. Food Chem., 2003, 51, 10, 3083-3091, https://doi.org/10.1021/jf026153i . [all data]

Leffingwell and Alford, 2005
Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 2005, 4, 2, 899-915. [all data]

van Loon, Linssen, et al., 2005
van Loon, W.A.M.; Linssen, J.P.H.; Legger, A.; Posthumus, M.A.; Voragen, A.G.J., Identification and olfactometry of French fries flavour extracted at mouth conditions, Food Chem., 2005, 90, 3, 417-425, https://doi.org/10.1016/j.foodchem.2004.05.005 . [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Savel'eva, Zenkevich, et al., 2003
Savel'eva, E.I.; Zenkevich, I.G.; Radilov, A.S., Identification the Products of Chemical Neutralization of O-Isobutyl-S-(2-diethylaminoethyl)methylthiophosphonate in the Composition of Bitumen-Salt Matrices, Zh. Anal. Khim. (Rus.), 2003, 58, 2, 135-145. [all data]

Sies A., Hirsch R., et al., 2002
Sies A.; Hirsch R.; Löscher R.; Tablack P.; Guth H., Direct thermal desorption and Fast-GC-TOF-MS for a rapid quality control of hazelnuts, 10th Weurman Flavour Research Symposium, 24 - 28 June 2002, Beaune, France, 2002. [all data]

Health Safety Executive, 2000
Health Safety Executive, MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]

Berdague, Denoyer, et al., 1991
Berdague, J.-L.; Denoyer, C.; Le Quéré, J.-L.; Semon, E., Volatile components of dry-cured ham, J. Agric. Food Chem., 1991, 39, 7, 1257-1261, https://doi.org/10.1021/jf00007a012 . [all data]

Savelieva and Zenkevich I., 2003
Savelieva, E.; Zenkevich I., Analisi GC/MS di agenti chimici nervini, Laboratorio 2000, 2003, 17, 6/7, 24-26. [all data]

Beck, Higbee, et al., 2008
Beck, J.J.; Higbee, B.S.; Marrill, G.B.; Roitman, J.N., Comparison of volatile emissions from undamaged and mechanically damaged almonds, J, Sci. Food Argic., 2008, 88, 8, 1363-1368, https://doi.org/10.1002/jsfa.3224 . [all data]

Petersen, Poll, et al., 1998
Petersen, M.A.; Poll, L.; Larsen, L.M., Comparison of volatiles in raw and boiled potatoes using a mild extraction technique combined with GC odour profiling and GC-MS, Food Chem., 1998, 61, 4, 461-466, https://doi.org/10.1016/S0308-8146(97)00119-2 . [all data]

Liardon and Ledermann, 1980
Liardon, R.; Ledermann, S., volatile components of fermented soya hydrolysate. II. Composition of basic fraction, Z. Lebensm. Unters. Forsch., 1980, 170, 3, 208-213, https://doi.org/10.1007/BF01042542 . [all data]

Tasdemir, Demirci, et al., 2003
Tasdemir, D.; Demirci, B.; Demirci, F.; Dönmez, A.A.; Baser, K.H.C.; Rüedi, P., Analysis of the Volatile Components of Five Turkish Rhododendron Species by Headspace Solid-Phase Microextraction and GC-MS (HS-SPME-GC-MS), Z. Naturforsch., 2003, 58c, 797-803. [all data]


Notes

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