- Formula: C16H12Si
- Molecular weight: 232.3520
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: GXVUNEVBRUNGTK-UHFFFAOYSA-N
- CAS Registry Number: 1675-57-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Diphenyldiethynylsilane
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Eugene S. Domalski and Elizabeth D. Hearing
|S°solid,1 bar||82.50||cal/mol*K||N/A||Milov, Lebedev, et al., 1977|
|S°solid,1 bar||85.49||cal/mol*K||N/A||Milov, Lebedev, et al., 1974|
Constant pressure heat capacity of solid
|Cp,solid (cal/mol*K)||Temperature (K)||Reference||Comment|
|72.94||298.15||Milov, Lebedev, et al., 1977||T = 10 to 326 K.|
|74.69||298.15||Milov, Lebedev, et al., 1974||T = 50 to 330 K.|
Phase change data
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), References, Notes
Data compiled as indicated in comments:
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Enthalpy of fusion
|fusH (kcal/mol)||Temperature (K)||Reference||Comment|
|4.7020||316.24||Milov, Lebedev, et al., 1974||DH|
|4.701||316.2||Domalski and Hearing, 1996||AC|
Temperature of phase transition
|Ttrs (K)||Initial Phase||Final Phase||Reference||Comment|
|209.||crystaline, II, Crystal||crystaline, I, glass transition||Milov, Lebedev, et al., 1977||DH|
Enthalpy of phase transition
|Htrs (kcal/mol)||Temperature (K)||Initial Phase||Final Phase||Reference||Comment|
|5.3442||316.72||crystaline, I||liquid||Milov, Lebedev, et al., 1977||DH|
Entropy of phase transition
|Strs (cal/mol*K)||Temperature (K)||Initial Phase||Final Phase||Reference||Comment|
|16.87||316.72||crystaline, I||liquid||Milov, Lebedev, et al., 1977||DH|
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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|Owner||NIST Mass Spectrometry Data Center|
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
|Origin||A.A.Kutin, Moscow, Russia|
|NIST MS number||275237|
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes
Milov, Lebedev, et al., 1977
Milov, V.I.; Lebedev, B.V.; Kiparisova, Y.G.; Bykova, T.A.; Sladkov, A.M., Thermodynamics of diphenyldiethynylsilane in the 10-326 K range, Termodin. Org. Soedin., 1977, (6), 13-25. [all data]
Milov, Lebedev, et al., 1974
Milov, V.I.; Lebedev, B.V.; Tsvetkova, L.Ya.; Sladkov, A.M.; Luneva, L.K.; Lebedev, N.K.; Evstropov, A.A., Heat capacity and thermodynamic functions of diphenyldiethynylsilane and poly(diphenyldiethynylsilane), Tr. Khim. Khim. Tekhnol, Gor'kii, 1974, 1(36), 140-145. [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]
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References
- 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) Ttrs Temperature of phase transition Htrs Enthalpy of phase transition Strs Entropy of phase transition fusH Enthalpy of fusion
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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