Carbonothioic dihydrazide
- Formula: CH6N4S
- Molecular weight: 106.150
- IUPAC Standard InChI: InChI=1S/CH6N4S/c2-4-1(6)5-3/h2-3H2,(H2,4,5,6)
- IUPAC Standard InChIKey: LJTFFORYSFGNCT-UHFFFAOYSA-N
- CAS Registry Number: 2231-57-4
- 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: Carbohydrazide, thio-; Hydrazinecarbohydrazonothioic acid; Thiocarbazide; Thiocarbohydrazide; Thiocarbonic dihydrazide; Thiocarbonohydrazide; TCH; 1,3-Diamino-2-thiourea; USAF EK-7372; 1,3-Diaminothiourea; NSC 689
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change 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°gas | 62.19 ± 0.72 | kcal/mol | Ccr | Gomez and Sabbah, 1982 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change 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:
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 | 25.83 ± 0.84 | kcal/mol | Ccr | Gomez and Sabbah, 1982 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -468.702 ± 0.067 | kcal/mol | Ccr | Gomez and Sabbah, 1982 | ALS |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 29.95 | 298.15 | Torres Gomez and Sabbah, 1982 | Cp data given as 1.180 J/g*K.; DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, 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:
AC - William E. Acree, Jr., James S. Chickos
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 |
|---|---|---|---|---|---|
| ΔsubH° | 36.35 ± 0.72 | kcal/mol | C | Alfonso, Gomez, et al., 1982 | AC |
| ΔsubH° | 36.35 ± 0.72 | kcal/mol | C | Gomez and Sabbah, 1982 | ALS |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 36.3528 | 298.15 | Torres Gomez and Sabbah, 1982 | DH |
Entropy of sublimation
| ΔsubS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 121.9 | 298.15 | Torres Gomez and Sabbah, 1982 | DH |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gomez and Sabbah, 1982
Gomez, L.A.T.; Sabbah, R.,
Thermodynamique de substances soufrees. IV. Etude thermochimique de la thiouree, de la thiosemicarbazide et de la thiocarbohydrazide,
Thermochim. Acta, 1982, 57, 67-81. [all data]
Torres Gomez and Sabbah, 1982
Torres Gomez, L.A.F.; Sabbah, R.,
Thermodynamic de substances soufrees. IV. Etude thermochimique de las thiouree, de la thiosemicarbazide et de la thiocarbohydrazide,
Thermochim. Acta, 1982, 57, 67-81. [all data]
Alfonso, Gomez, et al., 1982
Alfonso, Luis; Gomez, Torres; Sabbah, Raphaël,
Thermodynamique de substances soufrees. IV. Etude thermochimique de la thiouree, de la thiosemicarbazide et de la thiocarbohydrazide,
Thermochimica Acta, 1982, 57, 1, 67-81, https://doi.org/10.1016/0040-6031(82)87024-X
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔsubS Entropy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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