N,N-Dimethylacetamide
- Formula: C4H9NO
- Molecular weight: 87.1204
- IUPAC Standard InChI: InChI=1S/C4H9NO/c1-4(6)5(2)3/h1-3H3
- IUPAC Standard InChIKey: FXHOOIRPVKKKFG-UHFFFAOYSA-N
- CAS Registry Number: 127-19-5
- 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: Acetamide, N,N-dimethyl-; Acetdimethylamide; Dimethylacetamide; Dimethylamide acetate; DMA; CH3CON(CH3)2; Acetic acid dimethylamide; Acetyl dimethylamine; CBC 510337; DMAc; Hallucinogen; N,N-Dimethylethanamide; NSC 3138; SK 7176; U-5954; Dimethylamid kyseliny octove
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Condensed phase thermochemistry data
Go To: Top, IR Spectrum, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -71.72 | kcal/mol | Cm | Guthrie, 1974 | Heat of hydrolysis; ALS |
| ΔfH°liquid | -71.28 | kcal/mol | Ccb | Baroody and Carpenter, 1972 | ALS |
| ΔfH°liquid | -66.52 ± 0.36 | kcal/mol | Ccb | Vasil'eva, Zhil'tsova, et al., 1972 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -617.11 ± 0.36 | kcal/mol | Ccb | Vasil'eva, Zhil'tsova, et al., 1972 | ALS |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 42.59 | 298.15 | De Visser, Heuvelsland, et al., 1978 | DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- SOLUTION (10% IN CCl4 FOR 3600-1330 CM-1, 10% IN CS2 FOR 1330-600 CM-1); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Guthrie, 1974
Guthrie, J.P.,
Hydration of carboxamides. Evaluation of the free energy change for addition of water to acetamide and formamide derivatives,
J. Am. Chem. Soc., 1974, 96, 3608-3615. [all data]
Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A.,
Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [all data]
Vasil'eva, Zhil'tsova, et al., 1972
Vasil'eva, T.F.; Zhil'tsova, E.N.; Vvedenskii, A.A.,
Enthalpies of combustion of NN-dimethylformamide and NN-dimethylacetamide,
Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 315. [all data]
De Visser, Heuvelsland, et al., 1978
De Visser, C.; Heuvelsland, W.J.M.; Dunn, L.A.; Somsen, G.,
Some properties of binary aqueous liquid mixtures, J. Chem. Soc.,
Faraday Trans.1, 1978, 74, 1159-1169. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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