trithiocarbonic acid
- Formula: CH2S3
- Molecular weight: 110.222
- IUPAC Standard InChI: InChI=1S/CH2S3/c2-1(3)4/h(H2,2,3,4)
- IUPAC Standard InChIKey: HIZCIEIDIFGZSS-UHFFFAOYSA-N
- CAS Registry Number: 594-08-1
- 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: Carbonotrithioic-acid-
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction 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:
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°liquid | 24.0 ± 1.5 | kJ/mol | Cm | Gattow and Krebes, 1963 | Reanalyzed by Cox and Pilcher, 1970, Original value = 26. ± 5.0 kJ/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 218. | J/mol*K | N/A | Gattow and Krebs, 1963 | Extrapolation below -95°C. Estimated uncertainty ± 25 J/mol*K.; DH |
Constant pressure heat capacity of liquid
| Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 146.5 | 273. | Gattow and Krebs, 1963 | T = -95 to 20°C.; DH |
Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 246.3 | K | N/A | Gattow and Krebes, 1963 | Uncertainty assigned by TRC = 0.5 K; TRC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 8.410 | 246.3 | Gattow and Krebs, 1963 | DH |
Entropy of fusion
| ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 34.1 | 246.3 | Gattow and Krebs, 1963 | DH |
Reaction 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
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| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 44. ± 1. | kJ/mol | Cm | Gattow and Krebes, 1963 | liquid phase |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Gattow and Krebes, 1963
Gattow, V.G.; Krebes, B.,
Das kohlenstoffsulfid-di-(hydrogensulfid) SC(SH)2 und das system H2S-CS2. 2. Thermochemie des SC(SH)2,
Z. Anorg. Allg. Chem., 1963, 322, 113. [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]
Gattow and Krebs, 1963
Gattow, G.; Krebs, B.,
Das Kohlenstoffsulfid-di-(hydrogensulfid)SC(SH)2 und das System H2S-CS2. part 2. Thermochemie des SC(SH)2,
Z. anorg. allgem. Chem., 1963, 322, 113-128. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tfus Fusion (melting) point ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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