dimethylurea
- Formula: C3H8N2O
- Molecular weight: 88.1084
- IUPAC Standard InChI: InChI=1S/C3H8N2O/c1-4-3(6)5-2/h1-2H3,(H2,4,5,6)
- IUPAC Standard InChIKey: MGJKQDOBUOMPEZ-UHFFFAOYSA-N
- CAS Registry Number: 1320-50-9
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: Urea, N,N-dimethyl-
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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 | -78.04 ± 0.1 | kcal/mol | Ccb | Kulagina and Kiparisova, 1987 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -477.39 ± 0.1 | kcal/mol | Ccb | Kulagina and Kiparisova, 1987 |
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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CH2NO+ | 13.70 | ? | EI | Loudon and Webb, 1977 | |
| C2H6N+ | 11.65 | ? | EI | Loudon and Webb, 1977 |
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.
Kulagina and Kiparisova, 1987
Kulagina, T.G.; Kiparisova, E.G.,
Enthalpies of combustion and of formation of derivatives of carbamide,
Russ. J. Phys. Chem. (Engl. Transl.), 1987, 61, 261-262. [all data]
Loudon and Webb, 1977
Loudon, A.G.; Webb, K.S.,
The nature of the [C2H6N]+ and [CH4N]+ ions formed by electron impact on methylated formamides, acetamides, ureas, thioureas and hexamethylphosphoramide,
Org. Mass Spectrom., 1977, 12, 283. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy 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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