Cyclopentene, octafluoro-
- Formula: C5F8
- Molecular weight: 212.0407
- IUPAC Standard InChIKey: YBMDPYAEZDJWNY-UHFFFAOYSA-N
- CAS Registry Number: 559-40-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Octafluorocyclopentene; Perfluorocyclopentene; Cyclopentene, perfluoro; Flon C 1418; Cyclopentene, 1,2,3,3,4,4,5,5-octafluoro-; Fc-c1418
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Phase change 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.
Data compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 300. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 300. | K | N/A | Henne, 1962 | Uncertainty assigned by TRC = 4. K; TRC |
Tboil | 298.4 | K | N/A | Henne and Latif, 1954 | Uncertainty assigned by TRC = 0.8 K; Apparently calculated from equation fit to vapor pressure data; TRC |
Tboil | 307. | K | N/A | Park, Benning, et al., 1947 | Uncertainty assigned by TRC = 4. K; TRC |
Reaction 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.
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
+
= C5ClF8-
By formula: Cl- + C5F8 = C5ClF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 57.74 ± 0.84 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 34.1 ± 0.84 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
+
= C5F8I-
By formula: I- + C5F8 = C5F8I-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 41.84 ± 0.84 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 16.9 ± 0.84 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
+
= C5BrF8-
By formula: Br- + C5F8 = C5BrF8-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 53.1 ± 1.3 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 29.5 ± 1.3 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
By formula: C5ClF8- + 2C5F8 = C10ClF16-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.02 ± 0.84 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 9.83 ± 0.84 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
By formula: C5F9- + 2C5F8 = C10F17-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 28.0 ± 1.3 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 4.4 ± 1.3 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
+
= C5F9-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >125.5 | kJ/mol | TDAs | Hiraoka, Fujita, et al., 1905 | gas phase |
References
Go To: Top, Phase change 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.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Henne, 1962
Henne, A.L.,
, 1962. [all data]
Henne and Latif, 1954
Henne, A.L.; Latif, K.A.,
Perfluorinated Alkene, Alkyne, and Cycloalkene,
J. Am. Chem. Soc., 1954, 76, 610-2. [all data]
Park, Benning, et al., 1947
Park, J.D.; Benning, A.F.; Downing, F.B.; Laucius, J.F.; McHarness, R.C.,
Synthesis of Tetrafluoroethylene. Pyrolysis of Monochlorodifluoromethane,
Ind. Eng. Chem., 1947, 39, 343-8. [all data]
Hiraoka, Fujita, et al., 1905
Hiraoka, K.; Fujita, K.; Ishida, M.; Ichikawa, T.; Okada, H.; Hiizumi, K.; Wada, A.; Takao, K.; Yamabe, S.; Tsuchida, N.,
Gas-phase Ion/Molecule Reactions in C5F8,
J. Phys. Chem. A (2005), 1905, 109, 6, 1049-1056., https://doi.org/10.1021/jp040251k
. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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