Chlorotrifluorosilane
- Formula: ClF3Si
- Molecular weight: 120.534
- IUPAC Standard InChI: InChI=1S/ClF3Si/c1-5(2,3)4
- IUPAC Standard InChIKey: WOLDFAYTXKMDAQ-UHFFFAOYSA-N
- CAS Registry Number: 14049-36-6
- Chemical structure:
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Gas phase 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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -1317.96 | kJ/mol | Review | Chase, 1998 | Data last reviewed in December, 1960 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 308.67 | J/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1960 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. - 1100. | 1100. - 6000. |
|---|---|---|
| A | 64.19637 | 107.7359 |
| B | 106.5267 | 0.196853 |
| C | -98.41228 | -0.039935 |
| D | 32.24851 | 0.002772 |
| E | -0.775040 | -4.078881 |
| F | -1343.633 | -1362.038 |
| G | 354.3271 | 420.5673 |
| H | -1317.960 | -1317.960 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in December, 1960 | Data last reviewed in December, 1960 |
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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tc | 307.63 | K | N/A | Booth and Swinehart, 1935 | Uncertainty assigned by TRC = 0.02 K |
| Quantity | Value | Units | Method | Reference | Comment |
| Pc | 34.6531 | bar | N/A | Booth and Swinehart, 1935 | Uncertainty assigned by TRC = 0.0506 bar |
Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 13.44 ± 0.02 | PE | Cradock, Ebsworth, et al., 1973 | Vertical value |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, NIST Free Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [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]
Cradock, Ebsworth, et al., 1973
Cradock, S.; Ebsworth, E.A.V.; Whiteford, R.A.,
Photoelectron spectra of some simple fluorosilanes,
J. Chem. Soc. Dalton Trans., 1973, 22, 2401. [all data]
Notes
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- Symbols used in this document:
Pc Critical pressure S°gas,1 bar Entropy of gas at standard conditions (1 bar) Tc Critical temperature ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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