N-α-Acetylglycinamide
- Formula: C4H6N2O2
- Molecular weight: 114.1026
- IUPAC Standard InChI: InChI=1S/C4H8N2O2/c1-3(7)6-2-4(5)8/h2H2,1H3,(H2,5,8)(H,6,7)
- IUPAC Standard InChIKey: WQELDIQOHGAHEM-UHFFFAOYSA-N
- CAS Registry Number: 2620-63-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: N-Acetylglycine amide; Acetamide, N-(2-amino-2-oxoethyl)-; N-Acetylglycinamide; 2-acetamidoacetamide
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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 33.51 ± 0.55 | kcal/mol | C | Del Vecchio, Sabbah, et al., 1995 | ALS |
| ΔsubH° | 33.51 ± 0.55 | kcal/mol | C | Del Vecchio, Sabbah, et al., 1995, 2 | AC |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 29.52 ± 0.41 | 376. | C | Vecchio, Barone, et al., 1999 | AC |
| 32.3 ± 0.7 | 392. | TE | Ferro, Della Gatta, et al., 1988 | Based on data from 378. to 406. K. See also Barone, Ferro, et al., 1986.; AC |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 6.1185 | 408.2 | Ferro, Della Gatta, et al., 1988 | DH |
| 6.12 | 408.2 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 15.0 | 408.2 | Ferro, Della Gatta, et al., 1988 | DH |
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| 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 | Japan AIST/NIMC Database- Spectrum MS-IW- 32 |
| NIST MS number | 239262 |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Del Vecchio, Sabbah, et al., 1995
Del Vecchio, P.; Sabbah, R.; Abate, L.; Garone, G.; Della Gatta, G.,
Enthalpies of sublimation and heat capacities of solid amides of someN-acetyl amino acids,
Calorim. Anal. Therm., 1995, 26, 158-172. [all data]
Del Vecchio, Sabbah, et al., 1995, 2
Del Vecchio, P.; Sabbah, R.; Abate, L.; Barone, G.; Della Gatta, G.,
Enthalpies of sublimation and heat capacities of solid amides of some N-acetyl amino acids,
Calorim. Anal. Therm., 1995, 26, 26, 168. [all data]
Vecchio, Barone, et al., 1999
Vecchio, Pompea Del; Barone, Guido; Sabbah, Raphaël; Gatta, Giuseppe Della; Abate, Lorenzo,
Thermodynamics of sublimation ofN-acetyl amides of some amino acids,
The Journal of Chemical Thermodynamics, 1999, 31, 8, 1001-1008, https://doi.org/10.1006/jcht.1999.0504
. [all data]
Ferro, Della Gatta, et al., 1988
Ferro, D.; Della Gatta, G.; Barone, G.,
Enthalpies of sublimation and fusion for N-acetyl substituted glycine, L-alanine, and D-leucine amides,
J. Therm. Anal., 1988, 34, 835-841. [all data]
Barone, Ferro, et al., 1986
Barone, G.; Ferro, D.; Fiorani, P.; Mattia, C.A.; Puliti, R.,
J. Calorim. Anal. Therm. Thermodyn. Chim., 1986, 17, 471. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
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- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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