N,N-Dimethylbutyramide
- Formula: C6H13NO
- Molecular weight: 115.1735
- IUPAC Standard InChI: InChI=1S/C6H13NO/c1-4-5-6(8)7(2)3/h4-5H2,1-3H3
- IUPAC Standard InChIKey: VIJUZNJJLALGNJ-UHFFFAOYSA-N
- CAS Registry Number: 760-79-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Butanamide, N,N-dimethyl-; Butyramide, N,N-dimethyl-; N,N-Dimethyl-n-butyramide; N,N-Dimethylbutanamide
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Phase change data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 13.19 | kcal/mol | V | Vasil'eva and Kotov, 1977 | ALS |
Reduced pressure boiling point
| Tboil (K) | Pressure (atm) | Reference | Comment |
|---|---|---|---|
| 353. to 355. | 0.020 | Frinton Laboratories Inc., 1986 | BS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 12.1 | 366. | A | Stephenson and Malanowski, 1987 | Based on data from 251. to 432. K.; AC |
Gas phase ion energetics data
Go To: Top, Phase change data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
View reactions leading to C6H13NO+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 220.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 212.9 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Gas basicity at 298K
| Gas basicity (review) (kcal/mol) | Reference | Comment |
|---|---|---|
| 215. ± 2. | Witt and Grutzmacher, 1997 | Pyridine. GB lower limit. Data readjusted to Hunter and Lias, 1998; MM |
Gas Chromatography
Go To: Top, Phase change data, Gas phase ion energetics 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Packed | SE-30 | 180. | 978. | Oszczapowicz, Ciszkowski, et al., 1986 | N2, Chromosorb W AW; Column length: 3. m |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Vasil'eva and Kotov, 1977
Vasil'eva, T.F.; Kotov, V.I.,
Heats of combustion of dimethyl-substituted amides and dimethylalkylamines,
Vses. Konf. Kalorim. Rasshir. Tezisy Dokl. 7th, 1977, 1, 102-106. [all data]
Frinton Laboratories Inc., 1986
Frinton Laboratories Inc.,
Catalog Number 11, Frinton Laboratories Inc., Vineland, NJ, 1986, 99. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Witt and Grutzmacher, 1997
Witt, M.; Grutzmacher, H.F.,
Proton-bound dimers of aliphatic carboxamides: gas-phase basicity and dissociation energy,
Int. J. Mass Spectrom. Ion Processes, 1997, 165, 49. [all data]
Oszczapowicz, Ciszkowski, et al., 1986
Oszczapowicz, J.; Ciszkowski, K.; Osek, J.,
Amidines. XXVI. Retention indices of N1,N1-dimethylpropionamidines, isobutyramidines, pivalamidines and phenylacetamidines on a non-polar column,
J. Chromatogr., 1986, 362, 383-389, https://doi.org/10.1016/S0021-9673(01)86990-9
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, 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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