N-Methylglycine
- Formula: C3H7NO2
- Molecular weight: 89.0932
- IUPAC Standard InChI: InChI=1S/C3H7NO2/c1-4-2-3(5)6/h4H,2H2,1H3,(H,5,6)
- IUPAC Standard InChIKey: FSYKKLYZXJSNPZ-UHFFFAOYSA-N
- CAS Registry Number: 107-97-1
- 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: Sarcosine; CH3NHCH2COOH; Methylaminoacetic acid; Glycine, N-methyl-; Acetic acid, (methylamino)-; N-Methylaminoacetic acid; (Methylamino)ethanoic acid; Methylglycine; Sarcosin; Sarcosinic acid; Sar; N-Methyl-glycocoll
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Condensed phase thermochemistry 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -122.67 ± 0.062 | kcal/mol | Ccb | Sabbah and Laffitte, 1977 | ALS |
| ΔfH°solid | -121.56 ± 0.31 | kcal/mol | Ccb | Breitenbach, Derkosch, et al., 1952 | Reanalyzed by Cox and Pilcher, 1970, Original value = -121.2 kcal/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -398.587 ± 0.036 | kcal/mol | Ccb | Sabbah and Laffitte, 1977 | ALS |
| ΔcH°solid | -399.70 ± 0.30 | kcal/mol | Ccb | Breitenbach, Derkosch, et al., 1952 | Reanalyzed by Cox and Pilcher, 1970, Original value = -400.0 kcal/mol; ALS |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 30.81 | 298.15 | Sabbah and Laffitte, 1977 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sabbah and Laffitte, 1977
Sabbah, R.; Laffitte, M.,
The enthalpy of formation of sarcosine in the solid state,
J. Chem. Thermodyn., 1977, 9, 1107-1108. [all data]
Breitenbach, Derkosch, et al., 1952
Breitenbach, J.W.; Derkosch, J.; Wessely, F.,
Energetik der bildung hochmolekularer polypeptide,
Monatsh. Chem., 1952, 83, 591. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid 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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