21H,23H-Porphine, 5,10,15,20-tetrakis(4-methoxyphenyl)-

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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
Δsub295.92kJ/molEWu, Xu, et al., 1989see Xu, Wu, et al., 1989, and Li, Luo, et al., 1992; ALS

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
213. ± 12.563.METorres, Campos, et al., 2002Based on data from 561. - 565. K.; 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]

Xu, Wu, et al., 1989
Xu, H.; Wu, D.; Qu, S., Thermochemistry of porphyrins. VI. Standard energies of combusiton and standard enthalpies of formation of tetramethoxyphenylporphyrin and tetradimethylaminophenylporphyrin, Wuli Huaxue Xuebao, 1989, 5, 745-749. [all data]

Li, Luo, et al., 1992
Li, L.; Luo, M.; Qu, S.; Huang, S.; Yan, X., Studies on structure and properties of tetraphenylporphyrin and its derivatives. (III). Standard molar enthalpies of sublimation and formation, enthalpies of strain and resonance energy, Gaodeng Xuexiao Huaxue Xuebao, 1992, 13, 509-512. [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]


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