Hydrazinecarboxamide
- Formula: CH5N3O
- Molecular weight: 75.0699
- IUPAC Standard InChI: InChI=1S/CH5N3O/c2-1(5)4-3/h3H2,(H3,2,4,5)
- IUPAC Standard InChIKey: DUIOPKIIICUYRZ-UHFFFAOYSA-N
- CAS Registry Number: 57-56-7
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Semicarbazide; Aminomocovina; Aminourea; Carbamic acid, hydrazide; Carbamylhydrazine; Carbazamide; Hydrazine, carbamoyl-; Semikarbazid; Urea, amino-
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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 | -53.94 ± 0.14 | kcal/mol | Ccb | Nurachmetov, Beremzhanov, et al., 1985 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -210.90 ± 0.16 | kcal/mol | Ccb | Nurachmetov, Beremzhanov, et al., 1985 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 28.59 | cal/mol*K | N/A | Lebedev, Kulagina, et al., 1986 | DH |
| S°solid,1 bar | 28.59 | cal/mol*K | N/A | Nurachmetov, Beremzhanov, et al., 1985 | DH |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 26.43 | 298.15 | Lebedev, Kulagina, et al., 1986 | T = 5 to 330 K.; DH |
| 26.43 | 298.15 | Nurachmetov, Beremzhanov, et al., 1985 | T = 60 to 330 K.; 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.
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]
Lebedev, Kulagina, et al., 1986
Lebedev, B.V.; Kulagina, T.G.; Kiparisova, Y.G.,
Thermodynamics of semicarbazides in the range 0-330°K,
Zhur. Obshch. Khim., 1986, 56, 530-533. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, 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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