2,2-Diphenyl-4,4,6,6-tetramethylcyclotrisiloxane

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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
solid,1 bar126.2cal/mol*KN/AKuliev, Dzhafarov, et al., 1982 

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
110.8298.15Kuliev, Dzhafarov, et al., 1982T = 4.2 to 370 K. Data given graphically except for data at 298.15 K.

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 Copyright (C) 1987 by the 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. 6228
Date 1969/04/23
Name(s) 2,2,4,4-tetramethyl-6,6-diphenyl-1,3,5,2,4,6-trioxatrisilinane
State SOLUTION (9% CCl4 FOR 3800-1300, 2% CS2 FOR 1300-630, AND 9% CCl4 FOR 630-250) VS SOLVENT
Instrument PERKIN-ELMER 521 (GRATING)
Instrument parameters FILTERS AT 3150, 2500, 2000, 1150, 700, 410. GRATING CHANGES: 2000, 630
Path length 0.012 CM, 0.012 CM, AND 0.011 CM
SPECTRAL FEATURE AT 627 CM-1 IS AN ARTIFACT CAUSED BY A CHANGE IN SOLVENT
SPECTRAL FEATURE AT 1304 CM-1 IS AFFECTED BY A CHANGE IN SOLVENT
Resolution 2
Melting point 64 C
Boiling point 145 C AT 4 mmHg

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


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.

Kuliev, Dzhafarov, et al., 1982
Kuliev, A.M.; Dzhafarov, O.I.; Karasharli, K.A.; Kostryukov, V.N., Heat capacity and thermodynamic functions of cyclic methylphenylsiloxanes, Zhur. Fiz. Khim., 1982, 56, 310-313. [all data]


Notes

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