Benzene, 1-fluoro-4-methoxy-

• Formula: C₇H₇FO
• Molecular weight: 126.1283
• IUPAC Standard InChI: InChI=1S/C7H7FO/c1-9-7-4-2-6(8)3-5-7/h2-5H,1H3 Copy

  
• IUPAC Standard InChIKey: VIPWUFMFHBIKQI-UHFFFAOYSA-N Copy
• CAS Registry Number: 459-60-9
• 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: Anisole, p-fluoro-; p-Fluoroanisole; p-Fluoromethoxybenzene; p-Fluorophenyl methyl ether; p-Methoxyfluorobenzene; 1-Fluoro-4-methoxybenzene; 4-Fluoroanisole; p-fluoroanisol
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• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

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 by: John E. Bartmess

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

C₇H₆FO^- +  =

By formula: C₇H₆FO^- + H⁺ = C₇H₇FO

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 compiled as indicated in comments:
B - John E. Bartmess
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Proton affinity at 298K

Gas basicity at 298K

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₇H₆FO^- +  =

By formula: C₇H₆FO^- + H⁺ = C₇H₇FO

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• LIQUID (NEAT); BAIRD (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY; 2 cm^-1 resolution

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

• gas; HP-GC/MS/IRD

Gas Chromatography

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

Kovats' RI, non-polar column, isothermal

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Kovats' RI, non-polar column, custom temperature program

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Kovats' RI, polar column, isothermal

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References

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

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Ribeiro da Silva and Lobo Ferreira, 2009
Ribeiro da Silva, Manuel A.V.; Lobo Ferreira, Ana I.M.C., Experimental and computational study on the molecular energetics of the three monofluoroanisole isomers, The Journal of Chemical Thermodynamics, 2009, 41, 3, 361-366, https://doi.org/10.1016/j.jct.2008.09.012 . [all data]

Ingemann and Nibbering, 1983
Ingemann, S.; Nibbering, N.M.M., Gas phase reactions of anions with 2-,3-, and 4-fluoroanisole, J. Org. Chem., 1983, 48, 183. [all data]

Bogdanov, van Duijn, et al., 2002
Bogdanov, B.; van Duijn, D.; Ingemann, S.; Hammerum, S., Protonation of fluorophenols and fluoroanisoles in the gas phase: experiment and theory, Phys. Chem. Chem. Phys., 2002, 4, 2904. [all data]

Ponomarev, Arapov, et al., 1986
Ponomarev, D.A.; Arapov, O.V.; Sergeev, Y.L.; Chistyakov, A.B., [Title unavailable], Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1986, 29, 107. [all data]

Brown, 1970
Brown, P., Kinetic studies in mass spectrometry. VIII. Competing [M-CH₃] and [M-CH₂O] reactions in substituted anisoles. Approximate activation energies from ionization appearance potentials, Org. Mass Spectrom., 1970, 4, 519. [all data]

Tait, Shannon, et al., 1962
Tait, J.M.S.; Shannon, T.W.; Harrison, A.G., The structure of substituted C₇ ions from benzyl derivatives at the appearance potential threshold, J. Am. Chem. Soc., 1962, 84, 4. [all data]

Evans and Haken, 1987
Evans, M.B.; Haken, J.K., Dispersion and selectivity indices of the halogenated derivatives of cyclohexane, benzene and anisole, J. Chromatogr., 1987, 389, 240-244, https://doi.org/10.1016/S0021-9673(01)94428-0 . [all data]

Haken and Vernon, 1986
Haken, J.K.; Vernon, F., Gas chromatography of halogenated derivatives of cyclohexane, benzene and anisole, J. Chromatogr., 1986, 361, 57-61, https://doi.org/10.1016/S0021-9673(01)86893-X . [all data]

Vernon and Edwards, 1975
Vernon, F.; Edwards, G.T., Gas-liquid chromatography on fluorinated stationary phases. II. Fluorinated compounds containing a functional group, J. Chromatogr., 1975, 114, 1, 87-93, https://doi.org/10.1016/S0021-9673(00)85245-0 . [all data]

Jalali-Heravi and Garkani-Nejad, 1993
Jalali-Heravi, M.; Garkani-Nejad, Z., Prediction of gas chromatographic retention indices of some benzene derivatives, J. Chromatogr., 1993, 648, 2, 389-393, https://doi.org/10.1016/0021-9673(93)80421-4 . [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  Tboil	Boiling point
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH°	Enthalpy of vaporization at standard conditions

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