Fluorene

• Formula: C₁₃H₁₀
• Molecular weight: 166.2185
• IUPAC Standard InChI: InChI=1S/C13H10/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)12/h1-8H,9H2 Copy

  
• IUPAC Standard InChIKey: NIHNNTQXNPWCJQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 86-73-7
• 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: 9H-Fluorene; o-Biphenylenemethane; Diphenylenemethane; Methane, diphenylene-; 2,2'-Methylenebiphenyl; 2,3-Benzindene; o-Biphenylmethane
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Ion clustering data
  • IR Spectrum
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
  • NIST Polycyclic Aromatic Hydrocarbon Structure Index
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Reaction 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C₁₃H₉^- +  =

By formula: C₁₃H₉^- + H⁺ = C₁₃H₁₀

C₁₀H₈⁺ +  = (C₁₀H₈⁺ • )

By formula: C₁₀H₈⁺ + C₁₃H₁₀ = (C₁₀H₈⁺ • C₁₃H₁₀)

Bond type: Charge transfer bond (positive ion)

Free energy of reaction

C₁₂H₈⁺ +  = (C₁₂H₈⁺ • )

By formula: C₁₂H₈⁺ + C₁₃H₁₀ = (C₁₂H₈⁺ • C₁₃H₁₀)

Bond type: Charge transfer bond (positive ion)

Free energy of reaction

C₁₃H₁₀⁺ +  = (C₁₃H₁₀⁺ • )

By formula: C₁₃H₁₀⁺ + C₁₃H₁₀ = (C₁₃H₁₀⁺ • C₁₃H₁₀)

Bond type: Charge transfer bond (positive ion)

Free energy of reaction

C₁₃H₁₁⁺ +  = (C₁₃H₁₁⁺ • )

By formula: C₁₃H₁₁⁺ + C₁₃H₁₀ = (C₁₃H₁₁⁺ • C₁₃H₁₀)

3 +  =

By formula: 3H₂ + C₁₃H₁₀ = C₁₃H₁₆

Henry's Law 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: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

Gas phase ion energetics 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
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

View reactions leading to C₁₃H₁₀⁺ (ion structure unspecified)

Electron affinity determinations

Proton affinity at 298K

Gas basicity at 298K

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₁₃H₉^- +  =

By formula: C₁₃H₉^- + H⁺ = C₁₃H₁₀

Mass spectrum (electron ionization)

Go To: Top, Reaction thermochemistry data, Henry's Law 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

Spectrum

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Additional Data

References

Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

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

Römer, Janaway, et al., 1997
Römer, B.; Janaway, G.; Brauman, J.I., Cyclopentadienyl, Indenyl, and Fluorenyl Anions: Gas-Phase and Solvation Energy Contributions to Electron Detachment Energies, J. Am. Chem. Soc., 1997, 119, 9, 2249, https://doi.org/10.1021/ja961947x . [all data]

Taft and Bordwell, 1988
Taft, R.W.; Bordwell, F.G., Structural and Solvent Effects Evaluated from Acidities Measured in Dimethyl Sulfoxide and in the Gas Phase, Acc. Chem. Res., 1988, 21, 12, 463, https://doi.org/10.1021/ar00156a005 . [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Meot-Ner (Mautner), 1980
Meot-Ner (Mautner), M., Dimer Cations of Polycyclic Aromatics: Experimental Bonding Energies and Resonance Stabilization, J. Phys. Chem., 1980, 84, 21, 2724, https://doi.org/10.1021/j100458a012 . [all data]

Frye and Weitkamp, 1969
Frye, C.G.; Weitkamp, A.W., Equilibrium hydrogenations of multi-ring aromatics, J. Chem. Eng. Data, 1969, 14, 372-376. [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]

Wojnarovits and Foldiak, 1981
Wojnarovits, L.; Foldiak, G., Electron capture detection of aromatic hydrocarbons, J. Chromatogr. Sci., 1981, 206, 511. [all data]

Chen and Wentworth, 1989
Chen, E.C.M.; Wentworth, W.E., Experimental Determination of Electron Affinities of Organic Molecules, Mol. Cryst. Liq. Cryst., 1989, 171, 271. [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]

Terlouw, Heerma, et al., 1974
Terlouw, J.K.; Heerma, W.; Frintrop, P.C.M.; Dijkstra, G.; Meinema, H.A., Electron-impact induced fragmentation of some heterocyclic-tin compounds, J. Organomet. Chem., 1974, 64, 205. [all data]

Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I., Photoionization of heteroaromatic compounds, Khim. Vys. Energ., 1972, 6, 392. [all data]

Dewar, Haselbach, et al., 1970
Dewar, M.J.S.; Haselbach, E.; Worley, S.D., Calculated and observed ionization potentials of unsaturated polycyclic hydrocarbons; calculated heats of formation by several semiempirical s.c.f. m.o. methods, Proc. Roy. Soc. (London), 1970, A315, 431. [all data]

Mukherjee, 1969
Mukherjee, T.K., Charge-transfer donor abilities of o,o'bridged biphenyls, J. Phys. Chem., 1969, 73, 3442. [all data]

Slifkin and Allison, 1967
Slifkin, M.A.; Allison, A.C., Measurement of ionization potentials from contact charge transfer spectra, Nature, 1967, 215, 949. [all data]

Ruscic, Kovac, et al., 1978
Ruscic, B.; Kovac, B.; Klasinc, L.; Gusten, H., Photoelectron spectroscopy of J. Heterocycl. Chem.. Fluorene analogues, Z. Naturforsch. A:, 1978, 33, 1006. [all data]

Maier and Turner, 1972
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part I. Biphenyls, Faraday Discuss. Chem. Soc., 1972, 54, 149. [all data]

Rapp, Staab, et al., 1970
Rapp, U.; Staab, H.A.; Wunsche, C., Skelettumlagerungen unter Elektronenbeschuss-IV: zur Struktur der C₁₃H₉- und C₁₂H₉N-Ionen bei Benzylidenaminobenztriazolen, Org. Mass Spectrom., 1970, 3, 45. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  AE	Appearance energy
  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy
  T	Temperature
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

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