Acetamide
- Formula: C2H5NO
- Molecular weight: 59.0672
- IUPAC Standard InChIKey: DLFVBJFMPXGRIB-UHFFFAOYSA-N
- CAS Registry Number: 60-35-5
- 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: Acetic acid amide; Ethanamide; Methanecarboxamide; CH3CONH2; NCI-C02108; Amid kyseliny octove
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Condensed phase thermochemistry data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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:
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°solid | -75.43 ± 0.20 | kcal/mol | Ccr | Nurachmetov, Beremzhanov, et al., 1985 | see Nurakhmeta, Beremzhanov, et al., 1984; ALS |
ΔfH°solid | -74.11 | kcal/mol | Ccb | Ciocazanu, Dogaru, et al., 1976 | ALS |
ΔfH°solid | -75.76 ± 0.17 | kcal/mol | Ccb | Barnes and Pilcher, 1975 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -283.47 ± 0.20 | kcal/mol | Ccr | Nurachmetov, Beremzhanov, et al., 1985 | see Nurakhmeta, Beremzhanov, et al., 1984; ALS |
ΔcH°solid | -284.78 | kcal/mol | Ccb | Ciocazanu, Dogaru, et al., 1976 | ALS |
ΔcH°solid | -283.13 ± 0.16 | kcal/mol | Ccb | Barnes and Pilcher, 1975 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 27.49 | cal/mol*K | N/A | Nurachmetov, Beremzhanov, et al., 1985 | DH |
S°solid,1 bar | 27.49 | cal/mol*K | N/A | Nurakhmetov, Beremzhanov, et al., 1984 | DH |
Constant pressure heat capacity of solid
Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.71 | 298. | Emons, Naumann, et al., 1986 | T = 298 to 400 K. Cp data given at 298 K as 1.467 kJ/kg*K (extrapolated). Cp = 1.481 + 0.0069(T-300) kJ/kg*K (300 to 330).; DH |
21.81 | 298.15 | Nurachmetov, Beremzhanov, et al., 1985 | T = 13 to 330 K.; DH |
21.81 | 298.15 | Nurakhmetov, Beremzhanov, et al., 1984 | T = 8 to 330 K.; DH |
21.51 | 300. | DeWit, DeKruif, et al., 1983 | T = 90 to 360 K.; DH |
21.6 | 298.15 | Skold, Suurkuusk, et al., 1976 | DH |
15.9 | 293. | Campbell and Campbell, 1940 | DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- Not specified, most likely a prism, grating, or hybrid spectrometer.; (NO SPECTRUM, ONLY SCANNED IMAGE IS AVAILABLE)
- SOLID (SPLIT MULL, FLUOROLUBE FOR 3800-1340 AND NUJOL FOR 1340-400 CM -1); DOW KBr FOREPRISM-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
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291227 |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-Sulfur | 719.8 | de Lacy Costello, Evans, et al., 2001 | 30. m/0.32 mm/4. μm, 40. C @ 12.5 min, 4. K/min; Tend: 200. C |
Van Den Dool and Kratz RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | FFAP | 1788. | Yasuhara, 1987 | 50. m/0.25 mm/0.25 μm, He; Program: 20C (5min) => 2C/min => 70C => 4C/min => 210C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 764. | Chen, Wang, et al., 1998 | 60. m/0.32 mm/1. μm, He, 3. K/min; Tstart: 40. C; Tend: 260. C |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-Wax | 1738. | Prososki, Etzel, et al., 2007 | 30. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 10. K/min, 220. C @ 10. min |
Capillary | DB-Wax | 1764. | Wong and Bernhard, 1988 | He, 70. C @ 8. min, 2. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 160. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1763. | Kim. J.H., Ahn, et al., 2004 | 60. m/0.25 mm/0.25 μm, Helium; Program: 60 0C (3 min) 2 0C/min -> 150 0C 4 0C/min -> 200 0C |
Capillary | DB-Wax | 1725. | Peng, Yang, et al., 1991 | Program: not specified |
Capillary | DB-Wax | 1775. | Peng, Yang, et al., 1991 | Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Nurachmetov, Beremzhanov, et al., 1985
Nurachmetov, N.N.; Beremzhanov, B.A.; Abramova, G.V.; Lebedev, B.V.,
Thermodynamics of (thio)amides and their compounds with mineral acids at (0-330)K,
Thermochim. Acta, 1985, 92, 329-332. [all data]
Nurakhmeta, Beremzhanov, et al., 1984
Nurakhmeta, N.N.; Beremzhanov, B.A.; Abramova, G.V.; Lebedev, B.V.,
Thermodynamic properties of acetamide, thio-semicarbazide, and thiourea hydronitrate at (0-330) K,
Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf., 10th, 1984, 2, 460-462. [all data]
Ciocazanu, Dogaru, et al., 1976
Ciocazanu, I.; Dogaru, V.; Zavoianu, D.,
Structure and reactivity of amides. Concerning the heats of combustion and formation of some unsaturated α, β amides derived from acetamide,
Rev. Chim. (Bucharest), 1976, 27, 4-6. [all data]
Barnes and Pilcher, 1975
Barnes, D.S.; Pilcher, G.,
Enthalpies of combustion of ethanamide, propanamide, and butanamide,
J. Chem. Thermodyn., 1975, 7, 377-382. [all data]
Nurakhmetov, Beremzhanov, et al., 1984
Nurakhmetov, N.N.; Beremzhanov, B.A.; Abramova, G.V.; Lebedev, B.V.,
Thermodynamic properties of acetamide, thiosemicarbazide, and thiourea hydronitrate at (0-330) K, Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf.,
10th, 1984, 2, 460-2. [all data]
Emons, Naumann, et al., 1986
Emons, H.H.; Naumann, R.; Jahn, K.; Flammersheim, H.J.,
Thermal properties of acetamide in the temperature range from 298 K to 400 K,
Thermochim. Acta, 1986, 104, 127-137. [all data]
DeWit, DeKruif, et al., 1983
DeWit, H.G.M.; DeKruif, C.G.; Van Miltenburg, J.C.,
Thermodynamic properties of molecular organic crystals containing organic crystals containing nitrogen, oxygen, and sulfur. II. Molar heat capacities of eight compounds by adiabatic calorimetry,
J. Chem. Thermodynam., 1983, 15, 891-902. [all data]
Skold, Suurkuusk, et al., 1976
Skold, R.; Suurkuusk, J.; Wadso, I.,
Thermochemistry of solutions of biochemical model compounds. 7. Aqueous solutions of some amides, t-butanol, and pentanol,
J. Chem. Thermodynam., 1976, 8, 1075-1080. [all data]
Campbell and Campbell, 1940
Campbell, A.N.; Campbell, A.J.R.,
The heats of solution, heats of formation,
specific heats and equilibrium diagrams of certain molecular compounds. J. Am. Chem. Soc., 1940, 62, 291-297. [all data]
de Lacy Costello, Evans, et al., 2001
de Lacy Costello, B.P.J.; Evans, P.; Ewen, R.J.; Gunson, H.E.; Jones, P.R.H.; Ratcliffe, N.M.; Spencer-Phillips, P.T.N.,
Gas chromatography-mass spectrometry analyses of volatile organic compounds from potato tubers inoculated with Phytophthora infestans or Fusarium coeruleum,
Plant Pathol., 2001, 50, 4, 489-496, https://doi.org/10.1046/j.1365-3059.2001.00594.x
. [all data]
Yasuhara, 1987
Yasuhara, A.,
Identification of Volatile Compounds in Poultry Manure by Gas Chromatography-Mass Spectrometry,
J. Chromatogr., 1987, 387, 371-378, https://doi.org/10.1016/S0021-9673(01)94539-X
. [all data]
Chen, Wang, et al., 1998
Chen, J.; Wang, M.; Ho, C.-T.,
Volatile compounds generated from thermal degradation of N-acetylglucosamine,
J. Agric. Food Chem., 1998, 46, 8, 3207-3209, https://doi.org/10.1021/jf980129g
. [all data]
Prososki, Etzel, et al., 2007
Prososki, R.A.; Etzel, M.R.; Rankin, S.A.,
Solvent type affects the number, distribution, and relative quantities of volatile compounds found in sweet whey powder,
J. Dairy Sci., 2007, 90, 2, 523-531, https://doi.org/10.3168/jds.S0022-0302(07)71535-7
. [all data]
Wong and Bernhard, 1988
Wong, J.M.; Bernhard, R.A.,
Effect of nitrogen source on pyrazine formation,
J. Agric. Food Chem., 1988, 36, 1, 123-129, https://doi.org/10.1021/jf00079a032
. [all data]
Kim. J.H., Ahn, et al., 2004
Kim. J.H.; Ahn, H.J.; Yook, H.S.; Kim, K.S.; Rhee, M.S.; Ryu, G.H.; Byun, M.W.,
Color, flavor, and sensory characteristics of gamma-irradiated salted and fermented anchovy sauce,
Radiation Phys. Chem., 2004, 69, 2, 179-187, https://doi.org/10.1016/S0969-806X(03)00400-6
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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