Diethyl disulfide

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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 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
Δfliquid-28.68 ± 0.72kcal/molCcbVoronkov, Klyuchnikov, et al., 1989ALS
Δfliquid-28.71 ± 0.25kcal/molCcbHubbard, Douslin, et al., 1958Reanalyzed by Cox and Pilcher, 1970, Original value = -28.28 ± 0.24 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcliquid-976.98 ± 0.19kcal/molCcbHubbard, Douslin, et al., 1958Reanalyzed by Cox and Pilcher, 1970, Original value = -976.41 ± 0.19 kcal/mol; ALS
Quantity Value Units Method Reference Comment
liquid72.899cal/mol*KN/AScott, Finke, et al., 1952DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
48.760298.15Scott, Finke, et al., 1952T = 13 to 300 K.; DH

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil425.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil427.2KN/AWeast and Grasselli, 1989BS
Tboil427.2KN/AMajer and Svoboda, 1985 
Tboil427.KN/AMcallan, Cullum, et al., 1951Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus172.KN/AMcallan, Cullum, et al., 1951Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Ttriple171.64KN/AScott, Finke, et al., 1952, 2Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc642.KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Δvap10.8 ± 0.1kcal/molAVGN/AAverage of 10 values; Individual data points

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
8.982427.2N/AMajer and Svoboda, 1985 
10.9302.AStephenson and Malanowski, 1987Based on data from 287. to 434. K.; AC
9.78388.EBStephenson and Malanowski, 1987Based on data from 373. to 431. K. See also Osborn and Douslin, 1966 and Scott, Finke, et al., 1952.; AC
9.78 ± 0.03373.73VScott, Finke, et al., 1952, 3ALS
9.92374.EBWhite, Barnard--Smith, et al., 1952Based on data from 359. to 433. K.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kcal/mol) β Tc (K) Reference Comment
298. to 400.14.560.2744642.Majer and Svoboda, 1985 

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
373.71 to 434.034.094261485.97-64.192Osborn and Douslin, 1966 
273. to 353.4.31191605.244-53.643Scott, Finke, et al., 1952Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
2.2477171.64Scott, Finke, et al., 1952DH
2.2171.6Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
13.10171.64Scott, Finke, et al., 1952DH

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:


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.

Voronkov, Klyuchnikov, et al., 1989
Voronkov, M.G.; Klyuchnikov, V.A.; Kolabin, S.N.; Shvets, G.N.; Varusin, P.I.; Deryagina, E.N.; Korchevin, N.A.; Tsvetnitskaya, S.I., Thermochemical properties of diorganyl chalcogenides and dichalcogenides RMnR(M = S, Se, Te; n = 1, 2)., Dokl. Phys. Chem. (Engl. Transl.), 1989, 307, 650-653, In original 1139. [all data]

Hubbard, Douslin, et al., 1958
Hubbard, W.N.; Douslin, D.R.; McCullough, J.P.; Scott, D.W.; Todd, S.S.; Messerly, J.F.; Hossenlopp, I.A.; George, A.; Waddington, G., 2,3-dithiabutane, 3,4-dithiahexane and 4,5-dithiaoctane: Chemical thermodynamic properties from 0 to 1000°K, J. Am. Chem. Soc., 1958, 80, 3547-3554. [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]

Scott, Finke, et al., 1952
Scott, D.W.; Finke, H.L.; McCullough, J.P.; Gross, M.E.; Pennington, R.E.; Waddington, G., 3,4-Dithiahexane: heat capacity, heats of fusion and vaporization, vapor pressure, entropy, and thermodynamic functions, J. Am. Chem. Soc., 1952, 74, 2478-2483. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Mcallan, Cullum, et al., 1951
Mcallan, D.T.; Cullum, T.V.; Dean, R.A.; Fidler, F.A., The Preparation and Properties of Sulfur Compounds Related to Petroleum I. The Dialkyl Sulfides and Disulfides, J. Am. Chem. Soc., 1951, 73, 3627-32. [all data]

Scott, Finke, et al., 1952, 2
Scott, D.W.; Finke, H.L.; McCullough, J.P.; Gross, M.E.; Pennington, R.E.; Waddington, G., 3,4-Dithiahexane: Heat Capacity, Heat of Fusion and Vaporization, Vapor Pressure, Entropy, and Thermodynamic Functions, J. Am. Chem. Soc., 1952, 74, 2478-83. [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]

Osborn and Douslin, 1966
Osborn, A.G.; Douslin, D.R., Vapor Pressure Relations of 36 Sulfur Compounds Present in Petroleum., J. Chem. Eng. Data, 1966, 11, 4, 502-509, https://doi.org/10.1021/je60031a014 . [all data]

Scott, Finke, et al., 1952, 3
Scott, D.W.; Finke, H.L.; McCullough, J.P.; Gross, M.E.; Pennington, R.E.; Waddington, G., 3,4-Dithiahexane: Heat capacity, heats of fusion and vaporization, vapor pressure, entropy, and thermodynamic functions, J. Am. Chem. Soc., 1952, 74, 2478-24. [all data]

White, Barnard--Smith, et al., 1952
White, P.T.; Barnard--Smith, D.G.; Fidler, F.A., Vapor Pressure--Temperature Relationships of Sulfur Compounds Related to Petroleum, Ind. Eng. Chem., 1952, 44, 6, 1430-1438, https://doi.org/10.1021/ie50510a064 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, References