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P-xenyltrichlorosilane

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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 bar328.8J/mol*KN/AGeidarov, Dzhafarov, et al., 1976 
solid,1 bar328.78J/mol*KN/AGeidarov, Karasharli, et al., 1977 

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
291.08298.15Geidarov, Karasharli, et al., 1977Based on previously published work of authors, not available in detail, on Cp 12 to 370 K.
291.1298.15Geidarov, Dzhafarov, et al., 1976T = 12 to 380 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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple372.90KN/AGeidarov, Karasharli, et al., 1977, 2Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple372.90KN/AGeidarov, Dzhafarov, et al., 1976, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
75.7494.AStephenson and Malanowski, 1987Based on data from 479. - 573. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
18.569372.90Geidarov, Dzhafarov, et al., 1976DH
18.569372.90Geidarov, Karasharli, et al., 1977DH
18.57372.9Domalski and Hearing, 1996See also Geidarov, Dzhafarov, et al., 1974.; AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
49.80372.90Geidarov, Dzhafarov, et al., 1976DH
49.80372.90Geidarov, Karasharli, et al., 1977DH

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:


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. 5537
Date 1964/11/25
Name(s) 4-(trichlorosilyl)-1,1'-biphenyl
State SOLUTION (6% IN CCl4 FOR 3800-1260, 2% IN CS2 FOR 1260-630, AND 6% IN CCl4 FOR 630-250 CM-1)
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 325 C

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.

Geidarov, Dzhafarov, et al., 1976
Geidarov, Kh.I.; Dzhafarov, O.I.; Karasharli, K.A.; Kostryukov, V.N., The true heat capacity of p-trichlorosilylbiphenyl in the temperature range 12-380 K, Zhur. Fiz. Khim., 1976, 50, 1112-1114. [all data]

Geidarov, Karasharli, et al., 1977
Geidarov, Kh.I.; Karasharli, K.A.; Dzhafarov, O.I., Analysis of the results of the thermodynamic investigation of diphenyl derivatives, Azerb. Khim. Zhur., 1977, (5), 112-115. [all data]

Geidarov, Karasharli, et al., 1977, 2
Geidarov, K.I.; Karasharli, K.A.; Dzhafarov, O.I., Analysis of the results of the thermodynamic investigation of diphenyl devivatives, Azerb. Khim. Zh., 1977, 1977, 112-5. [all data]

Geidarov, Dzhafarov, et al., 1976, 2
Geidarov, K.I.; Dzhafarov, O.I.; Karasharli, K.A.; Kostryukov, V.N., The true heat capacity of p-trichlorosilylbiphenyl in the temp. range 12-380 K, Zh. Fiz. Khim., 1976, 50, 1112-14. [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]

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]

Geidarov, Dzhafarov, et al., 1974
Geidarov, Kh.I.; Dzhafarov, O.I.; Karasharli, K.A.; Kostryukov, V.N., True heat capacity of oo'-bistrichlorosilylbiphenyl between 12° and 370°K, Zhur. Fiz. Khim., 1974, 48, 1058. [all data]


Notes

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