1,1,1,3,5,5,5-Heptamethyl-3-phenyltrisiloxane
- Formula: C13H26O2Si3
- Molecular weight: 298.6008
- IUPAC Standard InChIKey: FNATTZRLLOIKNY-UHFFFAOYSA-N
- CAS Registry Number: 546-44-1
- Chemical structure:
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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 |
---|---|---|---|---|---|
S°liquid | 148.4 | cal/mol*K | N/A | Dzhafarov, Kuliev, et al., 1984 |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
124.2 | 298.15 | Dzhafarov, Kuliev, et al., 1984 | T = 5 to 300 K. |
Phase change data
Go To: Top, Condensed phase thermochemistry data, References, Notes
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 |
---|---|---|---|---|---|
Ttriple | 226.84 | K | N/A | Dzhafarov, Kuliev, et al., 1984, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.7 | 372. | A | Stephenson and Malanowski, 1987 | Based on data from 357. to 492. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.3721 | 226.84 | Dzhafarov, Kuliev, et al., 1984 | DH |
4.371 | 226.8 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
19.3 | 226.84 | Dzhafarov, Kuliev, et al., 1984 | DH |
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
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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