Piperidine, 2,6-dimethyl-, (2R,6S)-rel-
- Formula: C7H15N
- Molecular weight: 113.2007
- IUPAC Standard InChIKey: SDGKUVSVPIIUCF-KNVOCYPGSA-N
- CAS Registry Number: 766-17-6
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Other names: Cis- 2,6-Dimethylpiperidine; 2,6-Dimethylpiperidine
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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 |
---|---|---|---|---|---|
ΔvapH° | 9.87 ± 0.02 | kcal/mol | N/A | Mokbel, Razzouk, et al., 2009 | Based on data from 295. to 365. K.; AC |
ΔvapH° | 10.1 ± 0.1 | kcal/mol | C | Ribeiro da Silva, Cabral, et al., 2006 | Authors 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 |
---|---|---|---|
400.7 | 1.01 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
9.49 ± 0.02 | 330. | Mokbel, Razzouk, et al., 2009 | Based on data from 295. to 365. K.; AC |
Gas phase ion energetics data
Go To: Top, Phase change data, References, Notes
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 ± 0.05 | PE | Rozeboom and Houk, 1982 | LBLHLM |
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.
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
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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