Methyl diselenide
- Formula: C2H6Se2
- Molecular weight: 187.99
- IUPAC Standard InChIKey: VLXBWPOEOIIREY-UHFFFAOYSA-N
- CAS Registry Number: 7101-31-7
- 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: (CH3Se)2; Dimethyl diselenide; Diselenide, dimethyl
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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
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 190.89 | K | N/A | Rabinovich, Sheiman, et al., 1991 | Uncertainty assigned by TRC = 0.01 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.0 ± 0.24 | kcal/mol | C | Voronkov, Klyuchnikov, et al., 1989 | AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
17.9 | 300. | I | Karlson, Frankenberger, et al., 1994 | Based on data from 288. to 313. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.042 | 190.89 | Rabinovich, Sheiman, et al., 1991, 2 | DH |
2.04 | 190.8 | Rabinovich, Sheiman, et al., 1991, 3 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.70 | 190.89 | Rabinovich, Sheiman, et al., 1991, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Rabinovich, Sheiman, et al., 1991
Rabinovich, I.B.; Sheiman, M.S.; Kamelova, G.P.; Nistratov, V.P.; Karataev, E.N.,
Heat capacities and thermodynamic functions of methyl selenium compounds,
Zh. Fiz. Khim., 1991, 65, 2071-6. [all data]
Voronkov, Klyuchnikov, et al., 1989
Voronkov, M.G.; Klyuchnikov, V.A.; Kolabin, S.N.; Shvets, G.N.; Varushin, P.I.; Deryagina, E.N.; Korchevin, N.A.; Tsvetnitskaya, S.I.,
Thermochemical properties of dialkyl chalcogenides and dichalcogenides RMnR (M = sulfur, selenium, tellurium; n = 1, 2),
Dokl. Akad. Nauk SSSR, Phys. Chem., 1989, 307, 5, 1139. [all data]
Karlson, Frankenberger, et al., 1994
Karlson, U.; Frankenberger, W.T.; Spencer, W.F.,
Physicochemical properties of dimethyl selenide and dimethyl diselenide,
J. Chem. Eng. Data, 1994, 39, 3, 608-610, https://doi.org/10.1021/je00015a049
. [all data]
Rabinovich, Sheiman, et al., 1991, 2
Rabinovich, I.B.; Sheiman, M.S.; Kamelova, G.P.; Nistrotov, V.P.; Karataev, E.N.,
Heat capacity and thermodynamic functions of methyl derivatives of selenium,
Zhur. Fiz. Khim., 1991, 65, 2071-2076. [all data]
Rabinovich, Sheiman, et al., 1991, 3
Rabinovich, I.B.; Sheiman, M.S.; Kamelova, G.P.; Nistratov, V.P.; Karataev, E.N.,
Heat capacities and thermodynamic functions of methyl selenium compounds,
Zh. Fiz. Khim., 1991, 65, 8, 2071. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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