Methyl diselenide

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Condensed phase thermochemistry 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid62.48cal/mol*KN/ARabinovich, Sheiman, et al., 1991 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
37.05298.15Rabinovich, Sheiman, et al., 1991T = 5 to 300 K.

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
Ttriple190.89KN/ARabinovich, Sheiman, et al., 1991, 2Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Δvap10.0 ± 0.24kcal/molCVoronkov, Klyuchnikov, et al., 1989AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
17.9300.IKarlson, Frankenberger, et al., 1994Based on data from 288. to 313. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
2.042190.89Rabinovich, Sheiman, et al., 1991DH
2.04190.8Rabinovich, Sheiman, et al., 1991, 3AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
10.70190.89Rabinovich, 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

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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:
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 C2H6Se2+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.1PEBock, Aygen, et al., 1984LBLHLM
8.1PEHirabayashi, Mohmand, et al., 1982LBLHLM
8.52PEChang, Young, et al., 1986Vertical value; LBLHLM
8.56PEBock, Aygen, et al., 1984Vertical value; LBLHLM
8.56PETschmutowa and Bock, 1976Vertical value; LLK

Mass spectrum (electron ionization)

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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 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 A.Elaseer ET AL. J.Chrom.,664,77(1994)
NIST MS number 292723

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Gas Chromatography

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Normal alkane RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedSE-30 (10 %) + CW-20M (1 %)112.889.Hillen and Werner, 1973Nitrogen, Chromosorb W DCMS (100-120 mesh); Column length: 2. m
PackedSE-30 (10 %) + CW-20M (1 %)50.848.Hillen and Werner, 1973Nitrogen, Chromosorb W DCMS (100-120 mesh); Column length: 2. m

References

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

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]

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, 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]

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]

Hirabayashi, Mohmand, et al., 1982
Hirabayashi, T.; Mohmand, S.; Bock, H., Thermische zersetzung ofenkettiger kialkyl-sulfide,-disulfide und -diselenide, Chem. Ber., 1982, 115, 483. [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]

Tschmutowa and Bock, 1976
Tschmutowa, G.; Bock, H., Photoelektronen-Spektren und Molekuleigenschaften, LXIII ionisierungsenergien von Phenyl-Methyl-Tellurid und Vergleich der Effekte von Sauerstoff-, Schwefel-, Selen- und Tellur-Substituenten auf das Benzol-π-System, Z. Naturforsch. B:, 1976, 31, 1611. [all data]

Hillen and Werner, 1973
Hillen, L.W.; Werner, R.L., Correlation of retention index data for dimethyl polysulfides, polyselenides, and related thiaselena-alkanes, J. Chromatogr., 1973, 79, 318-321, https://doi.org/10.1016/S0021-9673(01)85303-6 . [all data]


Notes

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