Picene

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

  
• IUPAC Standard InChIKey: GBROPGWFBFCKAG-UHFFFAOYSA-N Copy
• CAS Registry Number: 213-46-7
• 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: 1,2:7,8-Dibenzophenanthrene; β,β-Binaphthyleneethene; Benzo(a)chrysene; Dibenzo(a,i)phenanthrene; Pycene; 1,2,7,8-Dibenzphenanthrene; 3,4-Benzchrysene; 1,2:7,8-Dibenzphenanthrene; NSC 406006
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
• Data at other public NIST sites:
  • NIST Polycyclic Aromatic Hydrocarbon Structure Index
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Phase change data

Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Enthalpy of fusion

Gas phase ion energetics data

Go To: Top, Phase change data, Gas Chromatography, References, Notes

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

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

Electron affinity determinations

Proton affinity at 298K

Gas basicity at 298K

Ionization energy determinations

Gas Chromatography

Go To: Top, Phase change data, Gas phase ion energetics data, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes

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

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]

Wakayama and Inokuchi, 1967
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]

Smith, 1980
Smith, George W., Phase Behavior of some Condensed Polycyclic Aromatics, Molecular Crystals and Liquid Crystals, 1980, 64, 1, 15-17, https://doi.org/10.1080/01406568008072649 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Becker and Chen, 1966
Becker, R.S.; Chen, E., Extension of Electron Affinities and Ionization Potentials of Aromatic Hydrocarbons, J. Chem. Phys., 1966, 45, 7, 2403, https://doi.org/10.1063/1.1727954 . [all data]

Aue, Guidoni, et al., 2000
Aue, D.H.; Guidoni, M.; Betowski, L.D., Ab initio calculated gas-phase basicities of polynuclear aromatic hydrocarbons, Int. J. Mass Spectrom., 2000, 201, 283. [all data]

Mautner(Meot-Ner), 1980
Mautner(Meot-Ner), M., Ion thermochemistry of low volatility compounds in the gas phase. 3. Polycyclic aromatics: Ionization energies, proton, and hydrogen affinities. Extrapolations to graphite, J. Phys. Chem., 1980, 84, 2716. [all data]

Clar and Schmidt, 1979
Clar, E.; Schmidt, W., Correlations between photoelectron and UV absorption spectra of polycyclic hydrocarbons. The pyrene series, Tetrahedron, 1979, 35, 1027. [all data]

Boschi, Clar, et al., 1974
Boschi, R.; Clar, E.; Schmidt, W., Photoelectron spectra of polynuclear aromatics. III. The effect of nonplanarity in sterically overcrowded aromatic hydrocarbons, J. Chem. Phys., 1974, 60, 4406. [all data]

Gallegos, 1968
Gallegos, E.J., Mass spectrometry and ionization energies of some condensed-ring aromatic and heterocyclic compounds, J. Phys. Chem., 1968, 72, 3452. [all data]

Briegleb, 1964
Briegleb, G., Electron affinity of organic molecules, Angew. Chem. Intern. Ed., 1964, 3, 617. [all data]

Birks and Stifkin, 1961
Birks, J.B.; Stifkin, M.A., π-Electronic excitation and ionization energies of condensed ring aromatic hydrocarbons, Nature, 1961, 191, 761. [all data]

Matsen, 1956
Matsen, F.A., Electron affinities, methyl affinities, and ionization energies of condensed ring aromatic hydrocarbons, J. Chem. Phys., 1956, 24, 602. [all data]

Schmidt, 1977
Schmidt, W., Photoelectron spectra of polynuclear aromatics. V. Correlations with ultraviolet absorption spectra in the catacondensed series, J. Chem. Phys., 1977, 66, 828. [all data]

Clar and Schmidt, 1976
Clar, E.; Schmidt, W., Correlations between photoelectron and phosphorescence spectra of polycyclic hydrocarbons, Tetrahedron, 1976, 32, 2563. [all data]

Grimmer and Böhnke, 1976
Grimmer, G.; Böhnke, H., Anreicherung und gas-chromatographische Profil-Analyse der polycyclischen aromatischen Kohlenwasserstoffe in Schmieröl, Chromatographia, 1976, 9, 1, 30-40, https://doi.org/10.1007/BF02270595 . [all data]

Grimmer and Böhnke, 1975
Grimmer, G.; Böhnke, H., Polycyclic aromatic hydrocarbon profile analysis of high-protein foods, oils, and fats by gas chromatography, J. Ass. Offic. Anal. Chem, 1975, 58, 4, 725-733. [all data]

Beernaert, 1979
Beernaert, H., Gas Chromatographic Analysis of Polyclylic Aromatic Hydrocarbons, J. Chromatogr., 1979, 173, 1, 109-118, https://doi.org/10.1016/S0021-9673(01)80450-7 . [all data]

Carugno and Rossi, 1967
Carugno, N.; Rossi, S., Evaluation of polynuclear hydrocarbons in cigarette smoke by glass capillary columns, J. Gas Chromatogr., 1967, 5, 2, 103-106, https://doi.org/10.1093/chromsci/5.2.103 . [all data]

Miao and Wu, 1999
Miao, X.; Wu, F., Study on retention behaviors of polycyclic aromatic hydrocarbons by gas chromatography in different operation models, J. Instrumental Anal., 1999, 15, 4, 288-292. [all data]

Kaliszan and Lamparczyk, 1978
Kaliszan, R.; Lamparczyk, H., A Relationship between the Connectivity Indices and Retention Indices of Polycyclic Aromatic Hydrocarbons, J. Chromatogr. Sci., 1978, 16, 6, 246-248, https://doi.org/10.1093/chromsci/16.6.246 . [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References

• Symbols used in this document:
  

  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy
  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation

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