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

• Formula: C₄₈H₃₈N₄O₄
• Molecular weight: 734.8397
• CAS Registry Number: 22112-78-3
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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

Enthalpy of sublimation

References

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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]

Notes

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• Symbols used in this document:
  

  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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