Caprolactam

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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 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-329.4 ± 1.7kJ/molCcbKabo, Kozyro, et al., 1992ALS
Quantity Value Units Method Reference Comment
Δcsolid-3603.8 ± 1.5kJ/molCcbKabo, Kozyro, et al., 1992ALS
Δcsolid-3603.7 ± 0.84kJ/molCcbStrepikeev, Skuratov, et al., 1955Reanalyzed by Cox and Pilcher, 1970, Original value = -3605. kJ/mol; ALS
Δcsolid-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

References

Go To: Top, Condensed phase 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]


Notes

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