Pentacene

• Formula: C₂₂H₁₄
• Molecular weight: 278.3466
• IUPAC Standard InChI: InChI=1S/C22H14/c1-2-6-16-10-20-14-22-12-18-8-4-3-7-17(18)11-21(22)13-19(20)9-15(16)5-1/h1-14H Copy

  
• IUPAC Standard InChIKey: SLIUAWYAILUBJU-UHFFFAOYSA-N Copy
• CAS Registry Number: 135-48-8
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Lin-Dibenzanthracene; Lin-Naphthoanthracene; Benzo[b]naphthacene; 2,3:6,7-Dibenzanthracene; 2,3,6,7-Dibenzanthracene
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• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
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  • NIST Polycyclic Aromatic Hydrocarbon Structure Index
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Gas 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
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, Gas phase thermochemistry data, Phase change data, Notes

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

Dorofeeva O.V., 1988
Dorofeeva O.V., Thermodynamic Properties of Polycyclic Aromatic Hydrocarbons in the Gaseous Phase. Institute for High Temperatures, USSR Academy of Sciences, Preprint No.1-238 (in Russian), Moscow, 1988. [all data]

Dorofeeva O.V., 1986
Dorofeeva O.V., On calculation of thermodynamic properties of polycyclic aromatic hydrocarbons, Thermochim. Acta, 1986, 102, 59-66. [all data]

Moiseeva N.F., 1989
Moiseeva N.F., Development of Benson group additivity method for estimation of ideal gas thermodynamic properties of polycyclic aromatic hydrocarbons, Thermochim. Acta, 1989, 153, 77-85. [all data]

Frenkel M., 1994
Frenkel M., Thermodynamics of Organic Compounds in the Gas State, Vol. I, II, Thermodynamics Research Center, College Station, Texas, 1994, 1994. [all data]

Philippi, 1929
Philippi, E., Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt. 2B, 1929, 138, 638. [all data]

Philippi, 1914
Philippi, E., Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt. 2B, 1914, 123, 21. [all data]

Thodos, 1957
Thodos, G., Critical Constants of the Aromatic Hydrocarbons, AIChE J., 1957, 3, 428-30. [all data]

Kruif, 1980
Kruif, C.G., Enthalpies of sublimation and vapour pressures of 11 polycyclic hydrocarbons, J. Chem. Thermodyn., 1980, 12, 243-248. [all data]

Wakayama and Inokuchi, 1967
Wakayama, N.; Inokuchi, H., Heats of sublimation of polycyclic aromatic hydrocarbons and their molecular packings, Bull. Chem. Soc. Jpn., 1967, 40, 2267. [all data]

Oja and Suuberg, 1998
Oja, Vahur; Suuberg, Eric M., Vapor Pressures and Enthalpies of Sublimation of Polycyclic Aromatic Hydrocarbons and Their Derivatives, J. Chem. Eng. Data, 1998, 43, 3, 486-492, https://doi.org/10.1021/je970222l . [all data]

Wakayama and Inokuchi, 1967, 2
Wakayama, Nobuko; Inokuchi, Hiroo, Heats of Sublimation of Polycyclic Aromatic Hydrocarbons and Their Molecular Packings, Bull. Chem. Soc. Jpn., 1967, 40, 10, 2267-2271, https://doi.org/10.1246/bcsj.40.2267 . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, References

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Tfus	Fusion (melting) point
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ρc	Critical density

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