1,1-Dimethyl-1-silacyclobutane
- Formula: C5H12Si
- Molecular weight: 100.2343
- IUPAC Standard InChIKey: YQQFFTNDQFUNHB-UHFFFAOYSA-N
- CAS Registry Number: 2295-12-7
- 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: Silacyclobutane, 1,1-dimethyl-; Cyclotrimethylenedimethylsilane; 1,1-Dimethylsilacyclobutane
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction 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 by: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°solid,1 bar | 279.49 | J/mol*K | N/A | Guseinov, Karasharli, et al., 1975 |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
197.53 | 298.15 | Guseinov, Karasharli, et al., 1975 | T = 10 to 300 K. Data given graphically. |
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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 155.52 | K | N/A | Guseinov, Karasharli, et al., 1975, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 33.0 ± 0.8 | kJ/mol | I | Bessareb and Martynov, 1974 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
32.141 | 355.91 | Guseinov, Karasharli, et al., 1975 | DH |
32.1 | 356. | Guseinov, Karasharli, et al., 1975, 2 | AC |
Entropy of vaporization
ΔvapS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
90.29 | 355.91 | Guseinov, Karasharli, et al., 1975 | DH |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.761 | 155.52 | Guseinov, Karasharli, et al., 1975 | DH |
6.76 | 155.5 | Guseinov, Karasharli, et al., 1975, 2 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
43.51 | 155.52 | Guseinov, Karasharli, et al., 1975 | DH |
42.87 | 155.5 | Guseinov, Karasharli, et al., 1975, 2 | CAL |
Reaction 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: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: F- + C5H12Si = (F- • C5H12Si)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 158. ± 9.2 | kJ/mol | IMRE | Sullivan, DePuy, et al., 1981 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 130. ± 9.2 | kJ/mol | IMRE | Sullivan, DePuy, et al., 1981 | gas phase |
Mass spectrum (electron ionization)
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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: 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 | GUSELNIKOV, TOPCHIEV INST. PETROCHEM. SYNTH., MOSCOW,USSR |
NIST MS number | 98624 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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.
Guseinov, Karasharli, et al., 1975
Guseinov, Z.A.; Karasharli, K.A.; Dzhafarov, O.I.; Nurullaev, G.G.; Nametkin, N.S.; Gusel'nikov, L.E.; Volnina, F.A.; Burdasov, E.N.; Vdovin, V.M.,
Thermodynamic parameters of some cyclic and bridging carbosilanes,
Dokl.Akad. Nauk, 1975, SSSR 222, 1369-1372. [all data]
Guseinov, Karasharli, et al., 1975, 2
Guseinov, A.Z.; Karasharli, K.A.; Dzhafarov, O.I.; Nurullaev, G.G.; Nametkin, N.S.; Gusel'nikov, L.E.; Volnina, E.A.; Burdasov, E.N.; Vdovin, V.N.,
Dokl. Akad. Nauk SSSR, 1975, 222, 1369. [all data]
Bessareb and Martynov, 1974
Bessareb, N.A.; Martynov, Y.M.,
Russ. J. Phys. Chem., 1974, 48, 1547. [all data]
Sullivan, DePuy, et al., 1981
Sullivan, S.A.; DePuy, C.H.; Damrauer, R.,
Gas Phase Reactions of Cyclic Silanes,
J. Am. Chem. Soc., 1981, 103, 2, 480, https://doi.org/10.1021/ja00392a048
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry 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) Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ΔvapS Entropy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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