Piperidine

• Formula: C₅H₁₁N
• Molecular weight: 85.1475
• IUPAC Standard InChI: InChI=1S/C5H11N/c1-2-4-6-5-3-1/h6H,1-5H2 Copy

  
• IUPAC Standard InChIKey: NQRYJNQNLNOLGT-UHFFFAOYSA-N Copy
• CAS Registry Number: 110-89-4
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Azacyclohexane; Cyclopentimine; Cypentil; Hexahydropyridine; Hexazane; Pentamethylenimine; Pyridine, hexahydro-; Pentamethyleneimine; Piperidin; UN 2401; Perhydropyridine; Pentamethyleneamine
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• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
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Reaction thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 + 3 =

By formula: C₅H₅N + 3H₂ = C₅H₁₁N

3 +  = 3

By formula: 3H₂ + C₁₅H₂₇N₃ = 3C₅H₁₁N

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.

Hales and Herington, 1957
Hales, J.L.; Herington, E.F.G., Equilibrium between pyridine and piperidine, Trans. Faraday Soc., 1957, 53, 616-622. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Burrows and King, 1935
Burrows, G.H.; King, L.A., Jr., The free energy change that accompanies hydrogenation of pyridine to piperidine, J. Am. Chem. Soc., 1935, 57, 1789-1791. [all data]

Wiberg, Nakaji, et al., 1993
Wiberg, K.B.; Nakaji, D.Y.; Morgan, K.M., Heat of hydrogenation of a cis imine. An experimental and theoretical study, J. Am. Chem. Soc., 1993, 115, 3527-3532. [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions

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