copper difluoride
- Formula: CuF2
- Molecular weight: 101.543
- CAS Registry Number: 7789-19-7
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, 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°gas | -63.800 | kcal/mol | Review | Chase, 1998 | Data last reviewed in December, 1977 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 63.834 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1977 |
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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 2500. to 6000. |
---|---|
A | 9.320531 |
B | 2.564350 |
C | -0.305979 |
D | 0.009846 |
E | 3.054699 |
F | -62.34761 |
G | 78.22440 |
H | -63.80000 |
Reference | Chase, 1998 |
Comment | Data last reviewed in December, 1977 |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, 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.
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- + CuF2 = (F- • CuF2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 83.8 ± 4.1 | kcal/mol | TDEq | Kuznetsov, Korobov, et al., 1986 | gas phase; Anchor:F-(FeF3) Chilingarov, Korobov, et al., 1984; value altered from reference due to conversion from electron convention to ion convention |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Reaction 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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
12.7 | PE | Dyke, Fayad, et al., 1980 | LLK |
13.3 ± 0.1 | EI | Ehlert and Wang, 1977 | LLK |
11.3 ± 0.3 | EI | Kent, McDonald, et al., 1966 | RDSH |
13.18 | PE | Dyke, Fayad, et al., 1980 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
Cu+ | 16.5 ± 0.3 | ? | EI | Kent, McDonald, et al., 1966 | RDSH |
CuF+ | 12.4 ± 0.3 | F | EI | Kent, McDonald, et al., 1966 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, Reaction 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]
Kuznetsov, Korobov, et al., 1986
Kuznetsov, S.V.; Korobov, M.V.; Savinova, L.N.; Sidirov, L.N.,
Enthalpy of the addition of the F- ion to copper and iron difluorides,
Russ. J. Phys. Chem., 1986, 60, 766. [all data]
Chilingarov, Korobov, et al., 1984
Chilingarov, N.S.; Korobov, M.V.; Sidirov, L.N.; Mitkin, V.N.; Shipachev, V.A.; Zemskov, S.V.,
Electron affinity of rhodium tetrafluoride,
J. Chem. Thermodyn., 1984, 16, 965. [all data]
Dyke, Fayad, et al., 1980
Dyke, J.M.; Fayad, N.K.; Josland, G.D.; Morris, A.,
Study by high-temperature photoelectron spectroscopy of the electronic structure of the transition metal difluorides, CuF2 and ZnF2,
J. Chem. Soc. Faraday Trans. 2, 1980, 76, 1672. [all data]
Ehlert and Wang, 1977
Ehlert, T.C.; Wang, J.S.,
Thermochemistry of the copper fluorides,
J. Phys. Chem., 1977, 81, 2069. [all data]
Kent, McDonald, et al., 1966
Kent, R.A.; McDonald, J.D.; Margrave, J.L.,
Mass spectrometric studies at high temperatures. IX. The sublimation pressure of copper(II) fluoride,
J. Phys. Chem., 1966, 70, 874. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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