Pyridine, 4-methyl-, 1-oxide

• Formula: C₆H₇NO
• Molecular weight: 109.1259
• IUPAC Standard InChI: InChI=1S/C6H7NO/c1-6-2-4-7(8)5-3-6/h2-5H,1H3 Copy

  
• IUPAC Standard InChIKey: IWYYIZOHWPCALJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 1003-67-4
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: γ-Picoline N-oxide; 4-Picoline, 1-oxide; γ-Picoline 1-oxide; 4-Methylpyridine N-oxide; 4-Methylpyridine 1-oxide; 4-Picoline N-oxide
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Enthalpy of sublimation

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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₆H₇NO⁺ (ion structure unspecified)

Ionization energy determinations

References

Go To: Top, Phase change data, 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.

Ribeiro da Silva, 1998
Ribeiro da Silva, M., Enthalpies of combustion of the pyridine N-oxide derivatives: 4-methyl-, 3-cyano-, 4-cyano-, 3-hydroxy-, 2-carboxy-, 4-carboxy-, and 3-methyl-4-nitro, and of the pyridine derivatives: 2-carboxy-, and 4-carboxy-. The dissociation enthalpies of the N-O bonds, The Journal of Chemical Thermodynamics, 1998, 30, 7, 869-878, https://doi.org/10.1006/jcht.1998.0353 . [all data]

Lebedev, Chironov, et al., 1995
Lebedev, V.P.; Chironov, V.V.; Kizin, A.N.; Falyahov, I.F.; Saifullin, I.Sh.; Klyuchnikov, O.R.; Orlov, Yu.D.; Lebedev, Yu.A., The energies of dissociation of the N-O bonds in pyridine 1-oxide deriveates, Russ. Chem. Bull. (Engl. Transl.), 1995, 44, 639-641. [all data]

Lebedev, Chironov, et al., 1995, 2
Lebedev, V.P.; Chironov, V.V.; Kizin, A.N.; Falyakhov, I.F.; Saifullin, I.Sh.; Klyushnikov, O.R.; Orlov, Yu.D.; Lebedev, Yu.A., Dissociation energy of the N-O bond in pyridine 1-oxide derivatives, Izv. Akad. Nauk Ser. Khim., 1995, 4, 660. [all data]

Weiner and Lattman, 1974
Weiner, M.A.; Lattman, M., Photoelectron spectra of 4-substituted pyridine N-oxides, Tetrahedron Lett., 1974, 1709. [all data]

Maier and Muller, 1974
Maier, J.P.; Muller, J.-F., Ionisation energies of pyridine N-oxides determined by photoelectron spectroscopy, J. Chem. Soc. Faraday Trans. 2, 1974, 70, 1991. [all data]

Notes

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• Symbols used in this document:
  

  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

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