caesium fluoride
- Formula: CsF
- Molecular weight: 151.9038551
- IUPAC Standard InChIKey: XJHCXCQVJFPJIK-UHFFFAOYSA-M
- CAS Registry Number: 13400-13-0
- 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: Cesium fluoride
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Condensed phase thermochemistry data
Go To: Top, Gas phase ion energetics data, References, Notes
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°liquid | -129.98 | kcal/mol | Review | Chase, 1998 | Data last reviewed in June, 1998 |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid,1 bar | 21.53 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1998 |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | -132.57 | kcal/mol | Review | Chase, 1998 | Data last reviewed in June, 1998 |
Quantity | Value | Units | Method | Reference | Comment |
S°solid | 21.10 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1998 |
Liquid 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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | 976. to 3000. |
---|---|
A | 17.70010 |
B | -1.802910×10-10 |
C | 1.007711×10-10 |
D | -1.750781×10-11 |
E | -5.463490×10-12 |
F | -135.2600 |
G | 42.95411 |
H | -129.9830 |
Reference | Chase, 1998 |
Comment | Data last reviewed in June, 1998 |
Solid 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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | 298. to 976. |
---|---|
A | 10.81200 |
B | 5.405450 |
C | -1.324360 |
D | 0.483918 |
E | 0.009104 |
F | -135.9930 |
G | 32.67880 |
H | -132.5700 |
Reference | Chase, 1998 |
Comment | Data last reviewed in June, 1998 |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 8.8 ± 0.1 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.0 | PE | Benson, Novak, et al., 1987 | LBLHLM |
9.0 ± 0.2 | PE | Smith and Pong, 1975 | LLK |
8.80 ± 0.10 | PE | Berkowitz, Dehmer, et al., 1973 | LLK |
9.68 ± 0.05 | PE | Timoshenko and Akopyan, 1974 | Vertical value; LLK |
9.7 | PE | Goodman, Allen, et al., 1974 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
Cs+ | 8.8 ± 0.1 | F | PI | Berkowitz, 1969 | RDSH |
References
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, 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]
Benson, Novak, et al., 1987
Benson, J.M.; Novak, I.; Potts, A.W.,
Photoelectron spectroscopy of the caesium halides using synchrotron radiation,
J. Phys. B:, 1987, 20, 6257. [all data]
Smith and Pong, 1975
Smith, J.A.; Pong, W.,
Ultraviolet photoelectron spectra of cesium halides,
Phys. Rev. B:, 1975, 12, 5931. [all data]
Berkowitz, Dehmer, et al., 1973
Berkowitz, J.; Dehmer, J.L.; Walker, T.E.H.,
PES of high-temperature vapors. IV. The cesium halides. Effect of spin-orbit interaction on the photoelectron and mass spectra of the alkali halides,
J. Chem. Phys., 1973, 59, 3645. [all data]
Timoshenko and Akopyan, 1974
Timoshenko, M.M.; Akopyan, M.E.,
Photoelectron spectra of cesium halides,
High Energy Chem., 1974, 8, 175, In original 211. [all data]
Goodman, Allen, et al., 1974
Goodman, T.D.; Allen, J.D., Jr.; Cusachs, L.C.; Schweitzer, G.K.,
The photoelectron spectra of gaseous alkali halides,
J. Electron Spectrosc. Relat. Phenom., 1974, 3, 289. [all data]
Berkowitz, 1969
Berkowitz, J.,
Photoionization of high-temperature vapors. V. Cesium halides; chemical shift of autoionization,
J. Chem. Phys., 1969, 50, 3503. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.