Piperidine, 2,6-dimethyl-, (2R,6S)-rel-

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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
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δvap9.87 ± 0.02kcal/molN/AMokbel, Razzouk, et al., 2009Based on data from 295. to 365. K.; AC
Δvap10.1 ± 0.1kcal/molCRibeiro da Silva, Cabral, et al., 2006Authors indicate that the compound is cis 2,6-dimethylpiperidine; however they give the CAS registry number of 504-03-0 (which does not specify cis or trans isomer).; AC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
400.71.01Aldrich Chemical Company Inc., 1990BS

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
9.49 ± 0.02330.Mokbel, Razzouk, et al., 2009Based on data from 295. to 365. K.; AC

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

Ionization energy determinations

IE (eV) Method Reference Comment
7.93 ± 0.05PERozeboom and Houk, 1982LBLHLM

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.

Mokbel, Razzouk, et al., 2009
Mokbel, Ilham; Razzouk, Antonio; Sawaya, Terufat; Jose, Jacques, Experimental Vapor Pressures of 2-Phenylethylamine, Benzylamine, Triethylamine, and cis -2,6-Dimethylpiperidine in the Range between 0.2 Pa and 75 kPa, J. Chem. Eng. Data, 2009, 54, 3, 819-822, https://doi.org/10.1021/je800603z . [all data]

Ribeiro da Silva, Cabral, et al., 2006
Ribeiro da Silva, Manuel A.V.; Cabral, Joana I.T.A.; Gomes, Paula; Gomes, José R.B., Combined Experimental and Computational Study of the Thermochemistry of Methylpiperidines, J. Org. Chem., 2006, 71, 10, 3677-3685, https://doi.org/10.1021/jo052468w . [all data]

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

Rozeboom and Houk, 1982
Rozeboom, M.D.; Houk, K.N., Stereospecific alkyl group effects on amine lone-pair ionization potentials: Photoelectron spectra of alkylpiperidines, J. Am. Chem. Soc., 1982, 104, 1189. [all data]


Notes

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