Benzenamine, 4-methoxy-

• Formula: C₇H₉NO
• Molecular weight: 123.1525
• IUPAC Standard InChI: InChI=1S/C7H9NO/c1-9-7-4-2-6(8)3-5-7/h2-5H,8H2,1H3 Copy

  
• IUPAC Standard InChIKey: BHAAPTBBJKJZER-UHFFFAOYSA-N Copy
• CAS Registry Number: 104-94-9
• 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: p-Anisidine; p-Aminoanisole; p-Anisylamine; p-Methoxyaniline; p-Methoxyphenylamine; 4-Aminoanisole; 4-Anisidine; 4-Methoxyaniline; 4-Methoxybenzenamine; 4-Methoxybenzeneamine; para-Anisidine; Aniline, p-methoxy-; Anisole, p-amino-; 1-Amino-4-methoxybenzene; 4-Methoxy-1-aminobenzene; NSC 7921; Anisidine
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
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  • 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

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 C₇H₉NO⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₇H₈NO^- +  =

By formula: C₇H₈NO^- + H⁺ = C₇H₉NO

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]

Behan, Johnstone, et al., 1976
Behan, J.M.; Johnstone, R.A.W.; Bentley, T.W., An evaluation of empirical methods for calculating the ionization potentials of substituted benzenes, Org. Mass Spectrom., 1976, 11, 207. [all data]

Pykhtina, Cherednichenko, et al., 1974
Pykhtina, E.V.; Cherednichenko, L.V.; Kardash, I.E.; Evlasheva, T.I.; Sorokin, V.V.; Potapov, V.K.; Pravednikov, A.N., Ionization potentials of amines and energies of charge transfer bands in the absorption spectra of complexes of 7,7,8,8-tetracyanoquinodimethan, High Energy Chem., 1974, 8, 257, In original 307. [all data]

Johnstone and Mellon, 1973
Johnstone, R.A.W.; Mellon, F.A., Effects of induction and resonance in the calculation of ionization potentials of substituted benzenes by perturbation molecular orbital theory, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 36. [all data]

Cooks, Bertrand, et al., 1973
Cooks, R.G.; Bertrand, M.; Beynon, J.H.; Rennekamp, M.E.; Setser, D.W., Energy partitioning data as an ion structure probe. Substituted anisoles, J. Am. Chem. Soc., 1973, 95, 1732. [all data]

Farrell and Newton, 1966
Farrell, P.G.; Newton, J., Ionization potentials of primary aromatic amines and aza-hydrocarbons, Tetrahedron Lett., 1966, 5517. [all data]

Crable and Kearns, 1962
Crable, G.F.; Kearns, G.L., Effect of substituent groups on the ionization potentials of benzenes, J. Phys. Chem., 1962, 66, 436. [all data]

Chmutova, Vtyurina, et al., 1979
Chmutova, G.A.; Vtyurina, N.N.; Komina, T.V.; Gazizov, I.G.; Bock, H., Molecular-orbital characteristics of anisole isologs X-C₆H₄-ECH₃ (E = O, S, Se) containing donor substituents X, Zh. Obshch. Khim., 1979, 49, 192. [all data]

Bernardi, Distefano, et al., 1975
Bernardi, F.; Distefano, G.; Mangini, A.; Pignataro, S.; Spunta, G., Photoelectron spectra of substituted anisoles thioanisoles, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 457. [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]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance 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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