Trifluoromethyl cation
- Formula: CF3+
- Molecular weight: 69.0054
- IUPAC Standard InChI: InChI=1S/CF3/c2-1(3)4/q+1
- IUPAC Standard InChIKey: VRLAJHMZTGBAOE-UHFFFAOYSA-N
- CAS Registry Number: 18851-76-8
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, 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.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas,1 bar | 60.834 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1971 |
Reaction thermochemistry data
Go To: Top, Gas 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 compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
) +
= (
• 3
)
By formula: (CF3+ • 2N2) + N2 = (CF3+ • 3N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.0 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 13. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (CF3+ • 3N2) + N2 = (CF3+ • 4N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.8 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 14. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (CF3+ • 4N2) + N2 = (CF3+ • 5N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1.5 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 12. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( •
) +
= (
• 2
)
By formula: (CF3+ • N2) + N2 = (CF3+ • 2N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.1 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 2
) +
= (
• 3
)
By formula: (CF3+ • 2CO) + CO = (CF3+ • 3CO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.8 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 26. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (CF3+ • 3CO) + CO = (CF3+ • 4CO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 5.4 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 28. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 4
) +
= (
• 5
)
By formula: (CF3+ • 4CO) + CO = (CF3+ • 5CO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 3.2 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 26. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 5
) +
= (
• 6
)
By formula: (CF3+ • 5CO) + CO = (CF3+ • 6CO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 28. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 6
) +
= (
• 7
)
By formula: (CF3+ • 6CO) + CO = (CF3+ • 7CO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.6 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 28. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( •
) +
= (
• 2
)
By formula: (CF3+ • CO) + CO = (CF3+ • 2CO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.3 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 2
) +
= (
• 3
)
By formula: (CF3+ • 2CF4) + CF4 = (CF3+ • 3CF4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 21. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( • 3
) +
= (
• 4
)
By formula: (CF3+ • 3CF4) + CF4 = (CF3+ • 4CF4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 2.8 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 20. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
( •
) +
= (
• 2
)
By formula: (CF3+ • CF4) + CF4 = (CF3+ • 2CF4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.9 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 22. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
+
= (
•
)
By formula: CF3+ + N2 = (CF3+ • N2)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 7.0 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 24. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
+
= (
•
)
By formula: CF3+ + H2O = (CF3+ • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.6 | kcal/mol | HPMS | Bennet and Field, 1972 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.8 | cal/mol*K | HPMS | Bennet and Field, 1972 | gas phase |
+
= (
•
)
By formula: CF3+ + CO = (CF3+ • CO)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 16.0 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 30. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
+
= (
•
)
By formula: CF3+ + CH4 = (CF3+ • CH4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 4.6 | kcal/mol | HPMS | Bennet and Field, 1972 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 18.8 | cal/mol*K | HPMS | Bennet and Field, 1972 | gas phase |
+
= (
•
)
By formula: CF3+ + CF4 = (CF3+ • CF4)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 6.6 | kcal/mol | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 19. | cal/mol*K | PHPMS | Hiraoka, Nasu, et al., 1996 | gas phase |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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]
Hiraoka, Nasu, et al., 1996
Hiraoka, K.; Nasu, M.; Fujimaki, S.; Ignacio, E.W.; Yamabe, S.,
Gas-Phase Stability and Structure of the Cluster Ions CF3+(CO)n, CF3+(N2)n, CF3+((CF4)n, and CF4H+(CF4)n,
J. Phys. Chem., 1996, 100, 13, 5245, https://doi.org/10.1021/jp9530010
. [all data]
Bennet and Field, 1972
Bennet, S.L.; Field, F.H.,
Reversible Reactions of Gaseous Ions. VI. The NH3 - CH4, H2S - CH4 and CF4 - CH4 Systems at Low Temperatures,
J. Am. Chem. Soc., 1972, 94, 18, 6305, https://doi.org/10.1021/ja00773a009
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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