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Dimethyl selenide

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Condensed phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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
liquid210.8J/mol*KN/ARabinovich, Sheiman, et al., 1991 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
121.1298.15Rabinovich, Sheiman, et al., 1991T = 5 to 300 K.

Phase change data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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
Tboil331.KN/AGoldish, Hedberg, et al., 1955Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Ttriple185.14KN/ARabinovich, Sheiman, et al., 1991, 2Uncertainty assigned by TRC = 0.01 K; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
30.3 ± 0.1295.N/ADykyj, Svoboda, et al., 1999Based on data from 280. - 318. K. See also Baev, 1997.; AC
31.9295.IKarlson, Frankenberger, et al., 1994Based on data from 278. - 313. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
8.499185.14Rabinovich, Sheiman, et al., 1991DH
8.5185.1Rabinovich, Sheiman, et al., 1991, 3AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
45.90185.14Rabinovich, Sheiman, et al., 1991DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C2H6Se+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.36PEChang, Young, et al., 1986LBLHLM
8.40PEBock, Aygen, et al., 1984LBLHLM
8.400 ± 0.010SScott, Causley, et al., 1973LLK
8.40PECradock and Whiteford, 1972Vertical value; LLK

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 222539

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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.; 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]

Goldish, Hedberg, et al., 1955
Goldish, E.; Hedberg, K.; Marsh, R.E.; Schomaker, V., An Electron Diffraction Investigation of Dimethyl Selenide, J. Am. Chem. Soc., 1955, 77, 2948-9. [all data]

Rabinovich, Sheiman, et al., 1991, 2
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]

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]

Baev, 1997
Baev, A.K., Thermodynamic study of structural changes in solutions of dimethyl-zinc with methyl compounds of Group VIB elements, Zh. Neorg. Khim., 1997, 42, 4, 662. [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, 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]

Chang, Young, et al., 1986
Chang, F.C.; Young, V.Y.; Prather, J.W.; Cheng, K.L., Study of methyl chalcogen compounds with ultraviolet photoelectron spectroscopy, J. Electron Spectrosc. Relat. Phenom., 1986, 40, 363. [all data]

Bock, Aygen, et al., 1984
Bock, H.; Aygen, S.; Rosmus, P.; Solouki, B.; Weissflog, E., Gasphasen-reaktionen,40. Selenoformaldehyd: Hochkorrelierte wellenfunktion und photoelektronenspektroskopischer nachweis, Chem. Ber., 1984, 117, 187. [all data]

Scott, Causley, et al., 1973
Scott, J.D.; Causley, G.C.; Russell, B.R., Vacuum ultraviolet absorption spectra of dimethylsulfide, dimethylselenide, and dimethyltelluride, J. Chem. Phys., 1973, 59, 6577. [all data]

Cradock and Whiteford, 1972
Cradock, S.; Whiteford, R.A., Photoelectron spectra of the methyl, silyl and germyl derivatives of the group VI elements, J. Chem. Soc. Faraday Trans. 2, 1972, 68, 281. [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References