Carbon diselenide
- Formula: CSe2
- Molecular weight: 169.93
- IUPAC Standard InChIKey: JNZSJDBNBJWXMZ-UHFFFAOYSA-N
- CAS Registry Number: 506-80-9
- 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: CSe2; Carbon selenide; Carbon selenide (CSe2)
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Condensed phase thermochemistry data
Go To: Top, 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: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 39.51 | cal/mol*K | N/A | Gattow and Drger, 1966 |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
21.2 | 298. | Gattow and Drger, 1966 | T = -190 to 50°C. |
Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 229.5 | K | N/A | Gattow and Draeger, 1966 | Uncertainty assigned by TRC = 0.2 K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
9.35 | 245. | Dykyj, Svoboda, et al., 1999 | Based on data from 230. to 290. K.; AC |
8.58 | 305. | Dykyj, Svoboda, et al., 1999 | Based on data from 290. to 337. K.; AC |
9.32 | 288. | Ives, Pittman, et al., 1947 | Based on data from 273. to 323. K. See also Boublik, Fried, et al., 1984.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
273. to 323.16 | 3.24311 | 1068.06 | -78.716 | Ives, Pittman, et al., 1947, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
11.1 | 224. | A | Stephenson and Malanowski, 1987 | Based on data from 218. to 229. K. See also Gattow and Drger, 1966.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.520 | 229.5 | Gattow and Drger, 1966 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.62 | 229.5 | Gattow and Drger, 1966 | DH |
References
Go To: Top, 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.
Gattow and Drger, 1966
Gattow, G.; Drger, M.,
Das Kohlenstoffidselenid 2. Thermochimie des CSe2,
Z. anorg. allgem. Chem., 1966, 343, 232-243. [all data]
Gattow and Draeger, 1966
Gattow, G.; Draeger, M.,
Chalcogencarbonates. XVII. Carbon Diselenides. 2. Thermochemistry of CSe2,
Z. Anorg. Allg. Chem., 1966, 343, 232-43. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Ives, Pittman, et al., 1947
Ives, D.J.G.; Pittman, R.W.; Wardlaw, W.,
203. The preparation, properties, and chlorination products of carbon diselenide,
J. Chem. Soc., 1947, 1080, https://doi.org/10.1039/jr9470001080
. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Ives, Pittman, et al., 1947, 2
Ives, D.J.G.; Pittman, R.W.; Wardlaw, W.,
The Preparation, Properties, and Chlorination Products of Carbon Diselenide,
J. Chem. Soc., 1947, 1080-1083, https://doi.org/10.1039/jr9470001080
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change 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 ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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