Naphthacene

• Formula: C₁₈H₁₂
• Molecular weight: 228.2879
• IUPAC Standard InChI: InChI=1S/C18H12/c1-2-6-14-10-18-12-16-8-4-3-7-15(16)11-17(18)9-13(14)5-1/h1-12H Copy

  
• IUPAC Standard InChIKey: IFLREYGFSNHWGE-UHFFFAOYSA-N Copy
• CAS Registry Number: 92-24-0
• 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: Tetracene; Benz[b]anthracene; Chrysogen; Methacene; Rubene; Tetracen; 2,3-Benzanthrene; 2,3-Benzanthracene; Benzo[b]anthracene; Tetracene (hydrocarbon)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
  • NIST Polycyclic Aromatic Hydrocarbon Structure Index
• 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.

Gas phase ion energetics 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 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)
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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

View reactions leading to C₁₈H₁₂⁺ (ion structure unspecified)

Electron affinity determinations

Proton affinity at 298K

Gas basicity at 298K

Ionization energy determinations

Appearance energy determinations

References

Go To: Top, Gas phase ion energetics data, Notes

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

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]

Mitsui, Ando, et al., 2007
Mitsui, M.; Ando, N.; Nakajima, A., Mass spectrometry and photoelectron spectroscopy of tetracene cluster anions, (Tetracene)(n)(-) (n=1-100): Evidence for the highly localized nature of polarization in a cluster analogue of o, J. Phys. Chem. A, 2007, 111, 39, 9644-9648, https://doi.org/10.1021/jp076134h . [all data]

Crocker, Wang, et al., 1993
Crocker, L.; Wang, T.B.; Kebarle, P., Electron Affinities of Some Polycyclic Aromatic Hydrocarbons, Obtained from Electron-Transfer Equilibria, J. Am. Chem. Soc., 1993, 115, 17, 7818, https://doi.org/10.1021/ja00070a030 . [all data]

Chowdhury, Heinis, et al., 1986
Chowdhury, S.; Heinis, T.; Grimsrud, E.P.; Kebarle, P., Entropy Changes and Electron Affinities from Gas-Phase Electron Transfer Equilibria: A^- + B = A + B^-, J. Phys. Chem., 1986, 90, 12, 2747, https://doi.org/10.1021/j100403a037 . [all data]

Lyons, Morris, et al., 1968
Lyons, L.E.; Morris, G.C.; Warren, L.J., Electron Affinities and the Electron Capture Method for Aromatic Hydrocarbons, J. Phys. Chem., 1968, 72, 10, 3677, https://doi.org/10.1021/j100856a056 . [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]

Stahl and Maquin, 1984
Stahl, D.; Maquin, F., Charge-stripping mass spectrometry of molecular ions from polyacenes and molecular orbital theory, Chem. Phys. Lett., 1984, 108, 613. [all data]

Shushan and Boyd, 1980
Shushan, B.; Boyd, R.K., Unimolecular and collision induced fragmentations of molecular ions of polycyclic aromatic hydrocarbons, Org. Mass Spectrom., 1980, 15, 445. [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, 1975
Clar, E.; Schmidt, W., Correlations btween photoelectron and ultraviolet absorption spectra of polycyclic hydrocarbons and the number of aromatic sextets, Tetrahedron, 1975, 31, 2263. [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]

Clark, Brogli, et al., 1972
Clark, P.A.; Brogli, F.; Heilbronner, E., The π-orbital energies of the acenes, Helv. Chim. Acta, 1972, 55, 1415. [all data]

Wacks, 1964
Wacks, M.E., Electron-impact studies of aromatic hydrocarbons. II. Naphthacene, naphthaphene, chrysene, triphenylene, and pyrene, J. Chem. Phys., 1964, 41, 1661. [all data]

Kuroda, 1964
Kuroda, H., Ionization potentials of polycyclic aromatic hydrocarbons, Nature, 1964, 201, 1214. [all data]

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

Terenin, 1961
Terenin, A., Charge transfer in organic solids, induced by light, Proc. Chem. Soc., London, 1961, 321. [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]

Briegleb and Czekalla, 1959
Briegleb, G.; Czekalla, J., Die Bestimmung von lonisierungsenergien aus den Spektren von Elektronenubergangskomplexen, Z.Elektrochem., 1959, 63, 6. [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]

Brogli and Heilbronner, 1972
Brogli, F.; Heilbronner, E., The photoelectron spectra of benzenoid hydrocarbons C₁₈H₁₂, Angew. Chem. Int. Ed. Engl., 1972, 11, 538. [all data]

Notes

Go To: Top, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy

• 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.