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Tetraethyl silicate

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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, Kenneth Kroenlein director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil439.7KN/AvanderVis, Konings, et al., 1992Uncertainty assigned by TRC = 1. K; TRC
Tboil442.KN/APCR Inc., 1990BS
Tboil441.95KN/ALecat, 1943Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus191.KN/ASolana and Moles, 1932Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Deltavap53.9kJ/molSGvan der Vis and Cordfunke, 1995Based on data from 323. - 442. K.; AC
Deltavap52.3kJ/molSGvan der Vis and Cordfunke, 1995Based on data from 323. - 442. K.; AC
Deltavap48.5 ± 0.3kJ/molEBKlyuchnikov, Danilova, et al., 1985AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
50.0328.N/AThomas, Smith, et al., 2007Based on data from 313. - 440. K.; AC
40.9419.EBKato and Tanaka, 1989Based on data from 404. - 437. K.; AC
49.5304.N/AStull, 1947Based on data from 289. - 441. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
289. - 441.74.173121561.277-67.572Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
11.14191.Van Der Vis, Cordfunke, et al., 1992AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
70.32187.7Van der Vis, Cordfunke, et al., 1992CAL
58.33191.0

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
13.200187.72crystaline, IIcrystaline, Ivan der Vis, Cordfunke, et al., 1992DH
11.140190.97crystaline, Iliquidvan der Vis, Cordfunke, et al., 1992DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
70.32187.72crystaline, IIcrystaline, Ivan der Vis, Cordfunke, et al., 1992DH
58.33190.97crystaline, Iliquidvan der Vis, Cordfunke, et al., 1992DH

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, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

vanderVis, Konings, et al., 1992
vanderVis, M.G.M.; Konings, R.J.M.; Oskam, A.; Snoeck, T.L., The vibrational spectra of gaseous and liquid tetraethoxysilane, J. Mol. Struct., 1992, 274, 47-57. [all data]

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Lecat, 1943
Lecat, M., Azeotropes of Ethyl Urethane and other Azeotropes, C. R. Hebd. Seances Acad. Sci., 1943, 217, 273. [all data]

Solana and Moles, 1932
Solana, L.; Moles, E., Preparation and properties of ethyl orthosilicate, An. R. Soc. Esp. Fis. Quim., 1932, 30, 886-917. [all data]

van der Vis and Cordfunke, 1995
van der Vis, M.G.M.; Cordfunke, E.H.P., Tetraethoxysilane, Si(OC2H5)4: vapour pressure measurements at temperatures from 323 to 442 K by means of a Bourdon spoon gauge, Thermochimica Acta, 1995, 265, 129-134, https://doi.org/10.1016/0040-6031(95)02403-O . [all data]

Klyuchnikov, Danilova, et al., 1985
Klyuchnikov, V.A.; Danilova, T.F.; Voronkov, M.G.; D'yakov, V.M., Dokl. Phys. Chem., 1985, 281, 373. [all data]

Thomas, Smith, et al., 2007
Thomas, Leo H.; Smith, Harry; Davies, Gwyn H., Vapour pressures, molar entropies of vaporisation and liquid-state conformation of alkoxides, J. Chem. Technol. Biotechnol., 2007, 30, 1, 476-480, https://doi.org/10.1002/jctb.503300160 . [all data]

Kato and Tanaka, 1989
Kato, Masahiro; Tanaka, Hiroyuki, Ebulliometric measurement of vapor-liquid equilibria for four binary systems: methanol + silicon tetramethoxide, methanol + silicon tetraethoxide, ethanol + silicon tetramethoxide, and ethanol + silicon tetraethoxide, J. Chem. Eng. Data, 1989, 34, 2, 206-209, https://doi.org/10.1021/je00056a018 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Van Der Vis, Cordfunke, et al., 1992
Van Der Vis, M.G.M.; Cordfunke, E.H.P.; Konings, R.J.M.; Van Den Berg, G.J.K.; Van Miltenburg, J.C., Tetraethoxysilane, Si(OC2H5)4: heat capacity and thermodynamic properties at temperatures from 0 to 440 K, The Journal of Chemical Thermodynamics, 1992, 24, 10, 1103-1108, https://doi.org/10.1016/S0021-9614(05)80022-9 . [all data]

Van der Vis, Cordfunke, et al., 1992
Van der Vis, M.G.M.; Cordfunke, E.H.P.; Konings, R.J.M.; Van der Berg, G.J.K.; Van Miltenburg, J.C., Tetraethoxysilane, Si(OC2H5)4: heat capacity and thermodynamic properties at temperatures from 0 to 440 K, J. Chem. Thermodyn., 1992, 24, 10, 1103, https://doi.org/10.1016/S0021-9614(05)80022-9 . [all data]

van der Vis, Cordfunke, et al., 1992
van der Vis, M.G.M.; Cordfunke, E.H.P.; Konings, R.J.M.; van den Berg, G.J.K.; van Miltenburg, J.C., Tetraethoxysilane, Si(OC2H5)4: heat capacity and thermodynamic properties at temperatures from 0 to 440 K, J. Chem. Thermodynam., 1992, 24, 1103-1108. [all data]


Notes

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