Cyclotrisiloxane, hexamethyl-
- Formula: C6H18O3Si3
- Molecular weight: 222.4618
- IUPAC Standard InChIKey: HTDJPCNNEPUOOQ-UHFFFAOYSA-N
- CAS Registry Number: 541-05-9
- 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: Dimethylsiloxane cyclic trimer; Hexamethylcyclotrisiloxane; CH7260
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Condensed phase thermochemistry data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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 | 412.1 | J/mol*K | N/A | Kuliev, Dzhafarov, et al., 1982 |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
360.0 | 298.15 | Kuliev, Dzhafarov, et al., 1982 | T = 4.2 to 370 K. Data given graphically except for data at 298.15 K. |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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 | NIST Mass Spectrometry Data Center, 1994 |
NIST MS number | 133472 |
Gas Chromatography
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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
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SP-2100 | 827. | Fischer and Kusch, 1993 | He, 40. C @ 3. min, 5. K/min; Column length: 30. m; Column diameter: 0.25 mm; Tend: 280. C |
Capillary | Methyl Silicone | 833. | Fujimoto, Ohtani, et al., 1990 | 25. m/0.25 mm/0.1 μm, He, 5. K/min; Tstart: 40. C; Tend: 350. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Ultra-1 | 825. | Kazuyoshi, Seiichi, et al., 2000 | 30. m/0.25 mm/0.50 μm; Program: 40 0C (5 min) 10 0C/min -> 200 0C 20 0C/min -> 320 0C (13 min) |
Capillary | Ultra-1 | 828. | Kazuyoshi, Seiichi, et al., 2000 | 30. m/0.25 mm/0.50 μm; Program: 40 0C (5 min) 10 0C/min -> 200 0C 20 0C/min -> 320 0C (13 min) |
Capillary | Ultra-1 | 829. | Kazuyoshi, Seiichi, et al., 2000 | 30. m/0.25 mm/0.50 μm; Program: 40 0C (5 min) 10 0C/min -> 200 0C 20 0C/min -> 320 0C (13 min) |
Capillary | Ultra-1 | 830. | Kazuyoshi, Seiichi, et al., 2000 | 30. m/0.25 mm/0.50 μm; Program: 40 0C (5 min) 10 0C/min -> 200 0C 20 0C/min -> 320 0C (13 min) |
Capillary | Ultra-1 | 831. | Kazuyoshi, Seiichi, et al., 2000 | 30. m/0.25 mm/0.50 μm; Program: 40 0C (5 min) 10 0C/min -> 200 0C 20 0C/min -> 320 0C (13 min) |
Capillary | Ultra-1 | 831. | Kazuyoshi, Seiichi, et al., 2000 | 30. m/0.25 mm/0.50 μm; Program: 40 0C (5 min) 10 0C/min -> 200 0C 20 0C/min -> 320 0C (13 min) |
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kuliev, Dzhafarov, et al., 1982
Kuliev, A.M.; Dzhafarov, O.I.; Karasharli, K.A.; Kostryukov, V.N.,
Heat capacity and thermodynamic functions of cyclic methylphenylsiloxanes,
Zhur. Fiz. Khim., 1982, 56, 310-313. [all data]
Fischer and Kusch, 1993
Fischer, G.W.; Kusch, P.,
An Automated Curie-Point Pyrolysis-High Resolution Gas Chromatography System,
LC-GC Int., 1993, 6, 12, 760-763. [all data]
Fujimoto, Ohtani, et al., 1990
Fujimoto, S.; Ohtani, H.; Yamagiwa, K.; Tsuge, S.,
Study on retention behavior of cyclic siloxanes by high resolution pyrolysis-gas chromatography with a fused silica capillary column,
J. Hi. Res. Chromatogr., 1990, 13, 6, 397-404, https://doi.org/10.1002/jhrc.1240130603
. [all data]
Kazuyoshi, Seiichi, et al., 2000
Kazuyoshi, N.; Seiichi, Y.; Kazuo, K.; Katsumi, I.; Okihiko, S.,
Polymer analysis by improved pyrolysis gas chromatography hyphenated with four specific detectors,
J. Soc. Cosmet. Chem. Jpn., 2000, 34, 2, 142-151, https://doi.org/10.5107/sccj.34.142
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, 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) - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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