1,1,1,3,5,5,5-Heptamethyl-3-phenyltrisiloxane

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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
liquid148.4cal/mol*KN/ADzhafarov, Kuliev, et al., 1984 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
124.2298.15Dzhafarov, Kuliev, et al., 1984T = 5 to 300 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, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Ttriple226.84KN/ADzhafarov, Kuliev, et al., 1984, 2Uncertainty assigned by TRC = 0.02 K; TRC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
14.7372.AStephenson and Malanowski, 1987Based on data from 357. to 492. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
4.3721226.84Dzhafarov, Kuliev, et al., 1984DH
4.371226.8Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
19.3226.84Dzhafarov, Kuliev, et al., 1984DH

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.

Dzhafarov, Kuliev, et al., 1984
Dzhafarov, O.I.; Kuliev, A.M.; Kuznestsova, A.G., Specific heat and thermodynamic properties of 1,1,1,3,5,5,5-heptamethyl-3-phenyltrisiloxane at 5-300 K, Zhur. Fiz. Khim., 1984, 58(7), 1630-1633. [all data]

Dzhafarov, Kuliev, et al., 1984, 2
Dzhafarov, O.I.; Kuliev, A.M.; Kuznetsova, A.G., Heat capacity and thermodynamic properties of 1,1,1,3,5,5,5-heptamethyl-3-phenyltrisiloxane in the 5-300 K range, Zh. Fiz. Khim., 1984, 58, 1630. [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]


Notes

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