Tetraethyl silicate

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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
liquid127.4cal/mol*KN/Avan der Vis, Cordfunke, et al., 1992 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
87.09298.15van der Vis, Cordfunke, et al., 1992T = 10 to 440 K. Cp/R(liq) = 2.49615x105(T/K)-2 + 70.8549x10-3 + 19.9007 (193 to 362 K), where R = 8.3144 J/mol*K.
84.15298.15Nkinamubanzi, Charlet, et al., 1985 

IR Spectrum

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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: Coblentz Society, Inc.

Condensed Phase Spectrum

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IR spectrum
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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner COBLENTZ SOCIETY
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin DOW CORNING CORP.
Source reference COBLENTZ NO. 6213
Date 1964/12/07
Name(s) tetraethyl orthosilicate
State SOLUTION (5% IN CCl4 FOR 3800-1330, 2% IN CS2 FOR 1330-600, AND 5% IN CCl4 FOR 600-250 CM-1) VS. SOLVENT
Instrument PERKIN-ELMER 521 (GRATING)
Instrument parameters FILTERS AT 3150, 2500, 2000, 1150, 700, 410. GRATING CHANGES: 2000, 630 CM-1
Path length 0.011 CM, 0.011 CM, AND 0.021 CM
Resolution 2
Sampling procedure TRANSMISSION
Data processing DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS)
Boiling point 168 C

This IR spectrum is from the Coblentz Society's evaluated infrared reference spectra collection.


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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApiezon L100.869.Kreshkov, Kirichenko, et al., 1975Ar; Column length: 1. m
PackedApiezon L150.850.Kreshkov, Kirichenko, et al., 1975Ar; Column length: 1. m
CapillaryApiezon L160.851.2Peetre, 1974Column length: 50. m; Column diameter: 0.25 mm

Kovats' RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryApiezon L847.Peetre, 1974Column length: 50. m; Column diameter: 0.25 mm; Program: not specified

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedApieson M160.850.Ellren, Peetre, et al., 1974Chromosorb G AW DMCS (80-100 mesh)

References

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

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]

Nkinamubanzi, Charlet, et al., 1985
Nkinamubanzi, P.; Charlet, G.; Delmas, G., Excess enthalpies, excess heat capacities and excess volumes of tetraalkoxysilanes with cyclohexane and carbon tetrachloride, Fluid Phase Equilibria, 1985, 20, 57-73. [all data]

Kreshkov, Kirichenko, et al., 1975
Kreshkov, A.P.; Kirichenko, É.A.; Markov, B.A., Retention indices of alkoxychlorosilanes, Zh. Anal. Khim., 1975, 30, 2, 286-289. [all data]

Peetre, 1974
Peetre, I.-B., Gas chromatographic investigation of organometallic compounds and their carbon analogues. II. Improved method for calculating retention indices of tetraalkoxysilanes, J. Chromatogr., 1974, 88, 2, 311-321, https://doi.org/10.1016/S0021-9673(00)83155-6 . [all data]

Ellren, Peetre, et al., 1974
Ellren, O.; Peetre, I.B.; Smith, B.E.F., Gas chromatographic investigation of organometallic compounds and their carbon analogues. V. Use of refractive index in conjunction with Kovats retention index for the identification of organosilicon compounds, J. Chromatogr., 1974, 93, 2, 383-392, https://doi.org/10.1016/S0021-9673(01)85402-9 . [all data]


Notes

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