Tetraphenylporphyrin

• Formula: C₄₄H₃₀N₄
• Molecular weight: 614.7358
• IUPAC Standard InChI: InChI=1S/C44H30N4/c1-5-13-29(14-6-1)41-33-21-23-35(45-33)42(30-15-7-2-8-16-30)37-25-27-39(47-37)44(32-19-11-4-12-20-32)40-28-26-38(48-40)43(31-17-9-3-10-18-31)36-24-22-34(41)46-36/h1-28,45,48H/b41-33-,41-34-,42-35-,42-37-,43-36-,43-38-,44-39-,44-40- Copy

  
• IUPAC Standard InChIKey: YNHJECZULSZAQK-LWQDQPMZSA-N Copy
• CAS Registry Number: 917-23-7
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: 5,10,15,20-Tetraphenyl-21H,23H-porphyrin; meso-Tetraphenylporphine; meso-Tetraphenylporphyrine; Tetraphenyl porphine; α,β,γ,δ-Tetraphenylporphine; 21H,23H-Porphine, 5,10,15,20-tetraphenyl-; meso-Tetraphenylporphyrin; Porphine, 5,10,15,20-tetraphenyl-; 5,10,15,20-Tetraphenylporphine; 5,10,15,20-Tetraphenyl-21H,23H-porphine; NSC 18506; NSC 640184
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
  • X-ray Photoelectron Spectroscopy Database, version 5.0
  • X-ray Photoelectron Spectroscopy Database, version 5.0
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change data

Go To: Top, References, Notes

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

Go To: Top, Phase change data, Notes

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]

Notes

Go To: Top, Phase change data, References

• Symbols used in this document:
  

  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.