fluorine
- Formula: F2
- Molecular weight: 37.9968064
- IUPAC Standard InChI: InChI=1S/F2/c1-2
- IUPAC Standard InChIKey: PXGOKWXKJXAPGV-UHFFFAOYSA-N
- CAS Registry Number: 7782-41-4
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - 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
2 = 4
+ 5
+ 3
By formula: 2C2F11N5 = 4CF4 + 5N2 + 3F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -3009. ± 13. | kJ/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
CF5N = + 0.5
+ 0.5
By formula: CF5N = CF4 + 0.5N2 + 0.5F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -226. ± 2. | kJ/mol | Ccb | Walker, 1972 | gas phase; Decompostion reaction; ALS |
+ 0.5
+ 0.5
= CF5N
By formula: CF4 + 0.5N2 + 0.5F2 = CF5N
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 226. ± 2. | kJ/mol | Ccb | Walker, 1972 | gas phase; Decompostion reaction; ALS |
2 = 2
+ 3
+ 3
By formula: 2CF7N3 = 2CF4 + 3N2 + 3F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1467. | kJ/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
2 = 2
+ 3
+
By formula: 2CF5N3 = 2CF4 + 3N2 + F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -2059. | kJ/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
=
+ 2
+ 2
By formula: CF8N4 = CF4 + 2N2 + 2F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -935.1 | kJ/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
=
+
+
By formula: CF6N2 = CF4 + N2 + F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -478.2 | kJ/mol | Cm | Sinke, Thompson, et al., 1967 | gas phase; Energy of explosion; ALS |
+
= F3-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 97. ± 10. | kJ/mol | CIDT | Artau, Nizzi, et al., 2000 | gas phase; B |
+ 4
=
+ 4
By formula: CF4 + 4HF = CH4 + 4F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1922. ± 13. | kJ/mol | Cm | Jessup, McCoskey, et al., 1955 | gas phase; ALS |
+ 2
= 2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -1037.3 | kJ/mol | Ccb | Domalski and Armstrong, 1967 | solid phase; ALS |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sinke, Thompson, et al., 1967
Sinke, G.C.; Thompson, C.J.; Jostad, R.E.; Walker, L.C.; Swanson, A.C.; Stull, D.R.,
Enthalpies of formation and bond energies of some fluoramines,
J. Chem. Phys., 1967, 47, 1852-1854. [all data]
Walker, 1972
Walker, L.C.,
The enthalpy of decomposition of CF3NF2(g) to CF4(g), N2(g), and F2(g),
J. Chem. Thermodyn., 1972, 4, 219-223. [all data]
Artau, Nizzi, et al., 2000
Artau, A.; Nizzi, K.E.; Hill, B.T.; Sunderlin, L.S.; Wenthold, P.G.,
Bond dissociation energy in trifluoride ion,
J. Am. Chem. Soc., 2000, 122, 43, 10667-10670, https://doi.org/10.1021/ja001613e
. [all data]
Jessup, McCoskey, et al., 1955
Jessup, R.S.; McCoskey, R.E.; Nelson, R.A.,
The heat of formation of tetrafluoromethane,
J. Am. Chem. Soc., 1955, 77, 244-245. [all data]
Domalski and Armstrong, 1967
Domalski, E.S.; Armstrong, G.T.,
The heats of combustion of polytetrafluoroethylene (teflon) and graphite in elemental fluorine,
J. Res. NBS, 1967, 71, 105-118. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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