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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
Deltafgas-239.6kJ/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
Deltafsolid-329.4 ± 1.7kJ/molCcbKabo, Kozyro, et al., 1992ALS
Quantity Value Units Method Reference Comment
Deltacsolid-3603.8 ± 1.5kJ/molCcbKabo, Kozyro, et al., 1992ALS
Deltacsolid-3603.7 ± 0.84kJ/molCcbStrepikeev, Skuratov, et al., 1955Reanalyzed by Cox and Pilcher, 1970, Original value = -3605. kJ/mol; ALS
Deltacsolid-3588. ± 6.3kJ/molCcbRunge and Maass, 1953At 293 °K; ALS
Quantity Value Units Method Reference Comment
solid,1 bar173.21J/mol*KN/AKabo, Kozyro, et al., 1992, 2DH
solid,1 bar168.4J/mol*KN/AKolesov, Paukov, et al., 1962DH
solid,1 bar168.6J/mol*KN/AKolesov, Paukov, et al., 1959DH
solid,1 bar168.6J/mol*KN/APaukov, Kolesov, et al., 1959Debye-Einstein extrapolation below 60 K.; DH

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
156.78298.15Kabo, 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
156.3300.00Kolesov, Paukov, et al., 1962T = 60 to 350 K.; DH
158.1300.Kolesov, Paukov, et al., 1959T = 60 to 370 K.; DH
156.77298.15Paukov, Kolesov, et al., 1959T = 60 to 373 K.; DH

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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
Deltar-105.1 ± 4.2kJ/molCisoKozyro, Marachuk, et al., 1989solid phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 («epsilon»-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 «epsilon»-caprolactam, J. Appl. Chem. USSR, 1989, 62, 547-550. [all data]


Notes

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