Silicon tetrafluoride
- Formula: F4Si
- Molecular weight: 104.0791
- IUPAC Standard InChIKey: ABTOQLMXBSRXSM-UHFFFAOYSA-N
- CAS Registry Number: 7783-61-1
- 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: Silane, tetrafluoro-; Silicon fluoride (SiF4); Tetrafluorosilane; SiF4; Silicon fluoride; UN 1859
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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 187. | K | N/A | PCR Inc., 1990 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 259. | K | N/A | Booth and Swinehart, 1935 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 36.6600 | atm | N/A | Booth and Swinehart, 1935 | Uncertainty assigned by TRC = 0.0499 atm; TRC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
163.16 to 186.91 | 8.37195 | 1643.698 | 18.344 | Pace and Mosser, 1963 | Coefficents calculated by NIST from author's data. |
129. to 178.3 | 7.10407 | 1220.564 | -6.884 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.17 | 148. to 183. | Patnode and Papish, 1929 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Booth and Swinehart, 1935
Booth, H.S.; Swinehart, C.F.,
Critical Constants and Vapor Pressure of Some Gaseous Fluorides of Group IV,
J. Am. Chem. Soc., 1935, 57, 1337. [all data]
Pace and Mosser, 1963
Pace, E.L.; Mosser, J.S.,
Thermodynamic Properties of Silicon Tetrafluoride from 15 ºK to its Triple Point. The Entropy from Molecular and Spectroscopic Data,
J. Chem. Phys., 1963, 39, 1, 154-158, https://doi.org/10.1063/1.1733993
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Patnode and Papish, 1929
Patnode, W.I.; Papish, Jacob,
The Vapor Pressure of Silicon Tetrafluoride,
J. Phys. Chem., 1929, 34, 7, 1494-1496, https://doi.org/10.1021/j150313a010
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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