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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltasub244.2kJ/molEWu, Xu, et al., 1989see 62LI/LUO; ALS

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
142. ± 3.626. - 707.FluorescStefanov, Stibor, et al., 2004AC
171. ± 2.550.METorres, Campos, et al., 2002Based on data from 543. - 555. K.; AC
110.9 ± 5.0603.MEStephenson and Malanowski, 1987Based on data from 588. - 678. K. See also Bonderman, Cater, et al., 1970.; AC


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

Wu, Xu, et al., 1989
Wu, D.; Xu, G.; Qu, S.; Xue, R.; Gu, C.; Zhang, F., Standard enthalpies of combustion and formation of porphyrin derivatives, Thermochim. Acta, 1989, 154, 233-245. [all data]

Stefanov, Stibor, et al., 2004
Stefanov, Andre; Stibor, Alexander; Dominguez-Clarimon, Alex; Arndt, Markus, Sublimation enthalpy of dye molecules measured using fluorescence, J. Chem. Phys., 2004, 121, 14, 6935, https://doi.org/10.1063/1.1792551 . [all data]

Torres, Campos, et al., 2002
Torres, Luis Alfonso; Campos, Myriam; Enriquez, Esteban; Patiño, Rodrigo, The enthalpy of sublimation of 5,10,15,20-tetraphenylporphine and 5,10,15,20-tetrakis(4-methoxyphenyl)porphine, The Journal of Chemical Thermodynamics, 2002, 34, 3, 293-302, https://doi.org/10.1006/jcht.2001.0920 . [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]

Bonderman, Cater, et al., 1970
Bonderman, Dean P.; Cater, E. David; Bennett, William Earl, Vapor pressures, mass spectra, magnetic susceptibilities, and thermodynamics of some phthalocyanine compounds, J. Chem. Eng. Data, 1970, 15, 3, 396-400, https://doi.org/10.1021/je60046a004 . [all data]


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