2-Piperidinone

• Formula: C₅H₉NO
• Molecular weight: 99.1311
• IUPAC Standard InChI: InChI=1S/C5H9NO/c7-5-3-1-2-4-6-5/h1-4H2,(H,6,7) Copy

  
• IUPAC Standard InChIKey: XUWHAWMETYGRKB-UHFFFAOYSA-N Copy
• CAS Registry Number: 675-20-7
• Chemical structure:
  This structure is also available as a 2d Mol file
• Species with the same structure:
  • piperidinone
• Other names: 2-Piperidone; α-Piperidone; δ-Valerolactam; Pentanoic acid, 5-amino-, lactam; 5-Pentanolactam; Piperidon; Piperidone-2; Delta-valerolactam; NSC 18894; NSC 2305; Valerolactim; Piperidin-2-one
• Information on this page:
  • Gas phase ion energetics data
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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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 compiled as indicated in comments:
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

View reactions leading to C₅H₉NO⁺ (ion structure unspecified)

Ionization energy determinations

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

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

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Normal alkane RI, polar column, temperature ramp

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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.

Potapov, Filyugina, et al., 1968
Potapov, V.K.; Filyugina, A.D.; Shigorin, D.N.; Ozerova, G.A., Photoionization of some compounds containing the carbonyl and amino groups, Dokl. Akad. Nauk SSSR, 1968, 180, 398, In original 352. [all data]

Treschanke and Rademacher, 1985
Treschanke, L.; Rademacher, P., Electronic structure and conformational properties of the amide linkage, J. Mol. Struct., 1985, 122, 47. [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Hatsuko, Kazuko, et al., 1992
Hatsuko, S.; Kazuko, H.; Masayoshi, K.; Yoshiaki, I., Improvement of quality of likorine extract by heat treatment, J. Food Sci. Technol., 1992, 39, 11, 976-983, https://doi.org/10.3136/nskkk1962.39.976 . [all data]

Notes

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