Caprolactam

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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-57.27kcal/molCcbKabo, Kozyro, et al., 1992 

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
Δfsolid-78.73 ± 0.40kcal/molCcbKabo, Kozyro, et al., 1992ALS
Quantity Value Units Method Reference Comment
Δcsolid-861.32 ± 0.35kcal/molCcbKabo, Kozyro, et al., 1992ALS
Δcsolid-861.30 ± 0.20kcal/molCcbStrepikeev, Skuratov, et al., 1955Reanalyzed by Cox and Pilcher, 1970, Original value = -861.6 kcal/mol; ALS
Δcsolid-857.6 ± 1.5kcal/molCcbRunge and Maass, 1953At 293 °K; ALS
Quantity Value Units Method Reference Comment
solid,1 bar41.398cal/mol*KN/AKabo, Kozyro, et al., 1992, 2DH
solid,1 bar40.25cal/mol*KN/AKolesov, Paukov, et al., 1962DH
solid,1 bar40.30cal/mol*KN/AKolesov, Paukov, et al., 1959DH
solid,1 bar40.30cal/mol*KN/APaukov, Kolesov, et al., 1959Debye-Einstein extrapolation below 60 K.; DH

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
37.471298.15Kabo, Kozyro, et al., 1992, 2T = 5 to 550 K. Cp(liq) = 323.08 + 0.0342(T/K) - 1.1074x10-7(T/K)2 J/mol*K (340 to 520 K).; DH
37.36300.00Kolesov, Paukov, et al., 1962T = 60 to 350 K.; DH
37.79300.Kolesov, Paukov, et al., 1959T = 60 to 370 K.; DH
37.469298.15Paukov, Kolesov, et al., 1959T = 60 to 373 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
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
Tfus342.3KN/AKozyro, Marachuk, et al., 1989Uncertainty assigned by TRC = 0.5 K; TRC
Tfus342.35KN/AMastrangelo, 1957Uncertainty assigned by TRC = 0.03 K; TRC
Tfus342.2KN/AStrepikheev, Skuratov, et al., 1955Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple342.31KN/AKabo, Kozyro, et al., 1992, 2Uncertainty assigned by TRC = 0.01 K; TRC
Ttriple342.30KN/AKolesov, Paukov, et al., 1962, 2Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Δsub20.9 ± 0.05kcal/molN/AKabo, Kozyro, et al., 1992, 2AC
Δsub21.45 ± 0.19kcal/molVKabo, Kozyro, et al., 1992ALS

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
410.20.013Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
20.856298.15N/AKabo, Kozyro, et al., 1992, 2DH
16.5 ± 0.07360.EBSteele, Chirico, et al., 2002Based on data from 350. to 568. K.; AC
15.7 ± 0.07400.EBSteele, Chirico, et al., 2002Based on data from 350. to 568. K.; AC
14.9 ± 0.05440.EBSteele, Chirico, et al., 2002Based on data from 350. to 568. K.; AC
14.1 ± 0.05480.EBSteele, Chirico, et al., 2002Based on data from 350. to 568. K.; AC
13.3 ± 0.07520.EBSteele, Chirico, et al., 2002Based on data from 350. to 568. K.; AC
12.5 ± 0.1560.EBSteele, Chirico, et al., 2002Based on data from 350. to 568. K.; AC
14.9388.AStephenson and Malanowski, 1987Based on data from 373. to 543. K.; AC

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
20.6316.MEZaitsau, Paulechka, et al., 2006Based on data from 293. to 338. K.; AC
20.8320.GSZaitsau, Paulechka, et al., 2006Based on data from 302. to 339. K.; AC
21.3 ± 0.2335.MEKabo, Kozyro, et al., 1992, 2Based on data from 330. to 340. K.; AC
20.6 ± 0.05338.CKabo, Kozyro, et al., 1992, 2AC
18.5273.AStephenson and Malanowski, 1987Based on data from 258. to 308. K.; AC
19.9 ± 0.2294. to 314.N/AAihara, 1953See also Jones, 1960, Cox and Pilcher, 1970, 2, and Aihara, 1960.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
3.8470342.305N/AKabo, Kozyro, et al., 1992, 2DH
3.8561342.36N/AMastrangelo, 1957, 2DH
3.8470342.305N/AKolesov, Paukov, et al., 1962DH
3.8470342.305N/AKolesov, Paukov, et al., 1959DH
3.862342.2N/AShevelyova, Zaitsau, et al., 2007AC
3.87342.3DSCSteele, Chirico, et al., 2002AC
3.85343.3N/AKabo, Kozyro, et al., 1992, 2AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
11.2342.305Kolesov, Paukov, et al., 1962DH
11.2342.305Kolesov, 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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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

Cyclohexanone, oxime = Caprolactam

By formula: C6H11NO = C6H11NO

Quantity Value Units Method Reference Comment
Δr-25.1 ± 1.0kcal/molCisoKozyro, Marachuk, et al., 1989, 2solid phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes

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

Kabo, Kozyro, et al., 1992
Kabo, G.J.; Kozyro, A.A.; Krouk, V.S.; Sevruk, V.M.; Yursha, I.A.; Simirsky, V.V.; Gogolinsky, V.I., Thermodynamic properties of 6-aminohexanoic lactam (ε-caprolactam), J. Chem. Thermodyn., 1992, 24, 1-3. [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]

Runge and Maass, 1953
Runge, F.; Maass, P., Untersuchungen uber die Beckmann=Umlagerung des Zyklohexanonoxims, Chem. Tech. (Berlin), 1953, 5, 421-424. [all data]

Kabo, Kozyro, et al., 1992, 2
Kabo, G.J.; Kozyro, A.A.; Krouk, V.S.; Sevruk, V.M.; Yursha, I.A.; Simirsky, V.V.; Gogolinsky, V.I., Thermodynamic properties of 6-aminohexanoic lactam (e-caprolactam), J. Chem. Thermodynam., 1992, 24, 1-13. [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]

Paukov, Kolesov, et al., 1959
Paukov, I.E.; Kolesov, V.P.; Skuratov, S.M., Determination of isobaric-isothermal potential at standard conditions for the polymerization reaction of e-caprolactam, Doklady Akad. Nauk, 1959, SSSR 126, 325-326. [all data]

Kozyro, Marachuk, et al., 1989
Kozyro, A.A.; Marachuk, L.I.; Krasulin, A.P.; Yursha, I.A.; Kabo, G.Ya., Thermodynamic properties of cyclohexanone oxime and ε-caprolactam, Zh. Prikl. Khim. (Leningrad), 1989, 62, 595. [all data]

Mastrangelo, 1957
Mastrangelo, S.V.R., Adiabatic calorimeter for determination of cryoscopic data., Anal. Chem., 1957, 29, 841. [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]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Steele, Chirico, et al., 2002
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A., Measurements of Vapor Pressure, Heat Capacity, and Density along the Saturation Line for γ-Caprolactam, Pyrazine, 1,2-Propanediol, Triethylene Glycol, Phenyl Acetylene, and Diphenyl Acetylene, J. Chem. Eng. Data, 2002, 47, 4, 689-699, https://doi.org/10.1021/je010085z . [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]

Zaitsau, Paulechka, et al., 2006
Zaitsau, Dzmitry H.; Paulechka, Yauheni U.; Kabo, Gennady J.; Kolpikau, Aleh N.; Emel'yanenko, Vladimir N.; Heintz, Andreas; Verevkin, Sergey P., Thermodynamics of the Sublimation and of the Vaporization of γ-Caprolactam, J. Chem. Eng. Data, 2006, 51, 1, 130-135, https://doi.org/10.1021/je050277k . [all data]

Aihara, 1953
Aihara, A., J. Chem. Soc. Jpn. Pure Chem. Sect., 1953, 74, 437. [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]

Aihara, 1960
Aihara, Ariyuki, Estimation of the Energy of Hydrogen Bonds Formed in Crystals. III. Amides, Bull. Chem. Soc. Jpn., 1960, 33, 9, 1188-1194, https://doi.org/10.1246/bcsj.33.1188 . [all data]

Mastrangelo, 1957, 2
Mastrangelo, S.V.R., Adiabatic calorimeter for determination of cryoscopic data, Anal. Chem., 1957, 29(5), 841-845. [all data]

Shevelyova, Zaitsau, et al., 2007
Shevelyova, Marina P.; Zaitsau, Dzmitry H.; Paulechka, Yauheni U.; Blokhin, Andrey V.; Kabo, Gennady J.; Verevkin, Sergey P.; Heintz, Andreas, Solid-Liquid Equilibrium and Activity Coefficients for Caprolactam + 1-Hexyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide and Cyclohexanone Oxime + 1-Hexyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)imide, J. Chem. Eng. Data, 2007, 52, 4, 1360-1365, https://doi.org/10.1021/je7000683 . [all data]

Kozyro, Marachuk, et al., 1989, 2
Kozyro, A.A.; Marachuk, L.I.; Krasulin, A.P.; Yursha, I.A.; Kabo, G.Ya., Thermodynamic properties of cyclohexanone oxime and ε-caprolactam, J. Appl. Chem. USSR, 1989, 62, 547-550. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References