Acetamide, N-(aminocarbonyl)-
- Formula: C3H6N2O2
- Molecular weight: 102.0919
- IUPAC Standard InChIKey: GKRZNOGGALENQJ-UHFFFAOYSA-N
- CAS Registry Number: 591-07-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Urea, acetyl-; Acetic acid, ureide; Acetylcarbamide; Acetylurea; Monoacetylurea; N-Acetylurea; 1-Acetylurea
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Condensed phase thermochemistry data
Go To: Top, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -544.74 ± 0.55 | kJ/mol | Ccr | Imamura, Takahashi, et al., 1989 | see Imamura, Murata, et al., 1988 |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -1493.3 ± 0.3 | kJ/mol | Ccr | Imamura, Takahashi, et al., 1989 | see Imamura, Murata, et al., 1988 |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry 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 as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.3 | PE | Dougherty, Wittel, et al., 1976 | Vertical value; LLK |
De-protonation reactions
C3H5N2O2- + =
By formula: C3H5N2O2- + H+ = C3H6N2O2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1458. ± 12. | kJ/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; Acid: acetylurea; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1427. ± 8.4 | kJ/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; Acid: acetylurea; B |
References
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Imamura, Takahashi, et al., 1989
Imamura, A.; Takahashi, K.; Murata, S.; Sakiyama, M.,
Standard enthalpies of formation of trimethyl cyanurate, malonamide, and 1,3-dimethyluracil,
J. Chem. Thermodyn., 1989, 21, 237-246. [all data]
Imamura, Murata, et al., 1988
Imamura, A.; Murata, S.; Sakiyama, M.,
Combustion and sublimation calorimetric studies on acetylurea and trimethyl isocyanurate,
J. Chem. Thermodyn., 1988, 20, 389-396. [all data]
Dougherty, Wittel, et al., 1976
Dougherty, D.; Wittel, K.; Meeks, J.; McGlynn, S.P.,
Photoelectron spectroscopy of carbonyls. Ureas, uracils, and thymine,
J. Am. Chem. Soc., 1976, 98, 3815. [all data]
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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