Diethynyl-diphenyl-silane
- Formula: C16H12Si
- Molecular weight: 232.3520
- IUPAC Standard InChI: InChI=1S/C16H12Si/c1-3-17(4-2,15-11-7-5-8-12-15)16-13-9-6-10-14-16/h1-2,5-14H
- 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
The 3d structure may be viewed using Java or Javascript. - Other names: Diphenyldiethynylsilane
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
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°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 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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Enthalpy of fusion
| ΔfusH (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
| ΔHtrs (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
| ΔStrs (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 compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Notes
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 ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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