cis-1,3,5-Trimethyl-1,3,5-triphenylcyclotrisiloxane

• Formula: C₂₁H₂₄O₃Si₃
• Molecular weight: 408.6700
• IUPAC Standard InChI: InChI=1S/C21H24O3Si3/c1-25(19-13-7-4-8-14-19)22-26(2,20-15-9-5-10-16-20)24-27(3,23-25)21-17-11-6-12-18-21/h4-18H,1-3H3 Copy

  
• IUPAC Standard InChIKey: HAURRGANAANPSQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 3424-57-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • Cyclotrisiloxane, 2,4,6-trimethyl-2,4,6-triphenyl-
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
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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

Constant pressure heat capacity of solid

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

Enthalpy of vaporization

Enthalpy of fusion

Entropy of fusion

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.

Mekhtiev, Karasharli, et al., 1975
Mekhtiev, S.A.; Karasharli, K.A.; Dzhafarov, O.I.; Kuznetsova, A.G., True heat capacities of cis- and trans-1,3,5-trimethyl-1,3,5-triphenylcyclotrisiloxanes, Zhur. Fiz. Khim., 1975, 49, 1914-1916. [all data]

Mekhtiev and Karasharli, 1981
Mekhtiev, S.A.; Karasharli, K.A., Analysis of the results of thermodynamic studies of a series of organosilicon compounds, Azerb. Khim. Zhur., 1981, (5), 85-88. [all data]

Ditsent, Skorokhodov, et al., 1972
Ditsent, V.E.; Skorokhodov, I.I.; Terent'eva, N.A.; Zolotareva, M.N., Russ. J. Phys. Chem., 1972, 46, 2, 317. [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]

Mekhtiev, Karasharli, et al., 1975, 2
Mekhtiev, S.A.; Karasharli, K.A.; Dzhafarov, D.I.; Kuznetsova, A.G., Russ. J. Phys. Chem., 1975, 49, 1914. [all data]

Notes

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• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  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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