Benzene, 1-fluoro-2-methyl-

• Formula: C₇H₇F
• Molecular weight: 110.1289
• IUPAC Standard InChI: InChI=1S/C7H7F/c1-6-4-2-3-5-7(6)8/h2-5H,1H3 Copy

  
• IUPAC Standard InChIKey: MMZYCBHLNZVROM-UHFFFAOYSA-N Copy
• CAS Registry Number: 95-52-3
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Toluene, o-fluoro-; o-Fluorotoluene; 1-Fluoro-2-methylbenzene; 2-Fluorotoluene; ortho-Fluorotoluene; 1-Methyl-2-fluorobenzene; UN 2388; Toluene, 2-fluoro
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• Information on this page:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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
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 C₇H₇F⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₇H₆F^- +  =

By formula: C₇H₆F^- + H⁺ = C₇H₇F

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

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

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Normal alkane RI, non-polar column, isothermal

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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, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, 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]

Lias and Ausloos, 1978
Lias, S.G.; Ausloos, P.J., eIonization energies of organic compounds by equilibrium measurements, J. Am. Chem. Soc., 1978, 100, 6027. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Yeo and Williams, 1970
Yeo, A.N.H.; Williams, D.H., Rearrangement in the molecular ions of halogenotoluenes prior to fragmentation in the mass spectrometer, Chem. Commun., 1970, 886. [all data]

Kim, Wenthold, et al., 1999
Kim, J.B.; Wenthold, P.G.; Lineberger, W.C., Ultraviolet photoelectron spectroscopy of o-, m-, and p-halobenzyl anions, J. Phys. Chem. A, 1999, 103, 50, 10833-10841, https://doi.org/10.1021/jp992817o . [all data]

Vernon and Edwards, 1975
Vernon, F.; Edwards, G.T., Gas-liquid chromatography on fluorinated stationary phases. I. Hydrocarbons and fluorocarbons, J. Chromatogr., 1975, 110, 1, 73-80, https://doi.org/10.1016/S0021-9673(00)91212-3 . [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]

Engel and Ratel, 2007
Engel, E.; Ratel, J., Correction of the data generated by mass spectrometry analyses of biological tissues: Application to food authentication, J. Chromatogr. A, 2007, 1154, 1-2, 331-341, https://doi.org/10.1016/j.chroma.2007.02.012 . [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Tsvetkov, Nesterova, et al., 1987
Tsvetkov, V.S.; Nesterova, T.N.; Pimerzin, A.A.; Rohznov, A.M., Dependence of retention indices of alkyl fluorobenzenes on temperature and structure of sorbates, Abstr. IX All-Union Conference on Gas Chromatography, Kuibyshev State University, Kuibyshev, 1987, 308. [all data]

Vasta, Ratel, et al., 2007
Vasta, V.; Ratel, J.; Engel, E., Mass Spectrometry Analysis of Volatile Compounds in Raw Meat for the Authentication of the Feeding Background of Farm Animals, J. Agric. Food Chem., 2007, 55, 12, 4630-4639, https://doi.org/10.1021/jf063432n . [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Zenkevich, 1995
Zenkevich, I.G., Calculation of Gas-Chromatographic Retention Indices from Physico-Chemical Constants of Organic Compounds, Z. Anal. Chem., 1995, 50, 10, 1048-1056. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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