1,2,3,6-Tetrahydropyridine

• Formula: C₅H₉N
• Molecular weight: 83.1317
• IUPAC Standard InChI: InChI=1S/C5H9N/c1-2-4-6-5-3-1/h1-2,6H,3-5H2 Copy

  
• IUPAC Standard InChIKey: FTAHXMZRJCZXDL-UHFFFAOYSA-N Copy
• CAS Registry Number: 694-05-3
• Chemical structure:
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• Other names: Pyridine, 1,2,3,6-tetrahydro-; δ3-Piperidine; 1,2,5,6-Tetrahydropyridine; UN 2410; Pyridine, 1,2,5,6-tetrahydro-
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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
DRB - Donald R. Burgess, Jr.

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

View reactions leading to C₅H₉N⁺ (ion structure unspecified)

Ionization energy determinations

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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Bedford, Beezer, et al., 1963
Bedford, A.F.; Beezer, A.E.; Mortimer, C.T., Heats of formation and bond energies. Part X. 1,2,5,6-tetrahydropyridine, piperidine, and piperazine, J. Chem. Soc., 1963, 2039-2043. [all data]

Morishima, Yoshikawa, et al., 1975
Morishima, I.; Yoshikawa, K.; Hashimoto, M.; Bekki, K., Homoallylic interaction between the nitrogen lone pair and the nonadjacent π bond in cyclic and bicyclic amines. I. Photoelectron spectroscopic study, J. Am. Chem. Soc., 1975, 97, 4283. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  Tboil	Boiling point
  ΔvapH°	Enthalpy of vaporization at standard conditions

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