Cyclopentene, octafluoro-

• Formula: C₅F₈
• Molecular weight: 212.0407
• IUPAC Standard InChI: InChI=1S/C5F8/c6-1-2(7)4(10,11)5(12,13)3(1,8)9 Copy

  
• IUPAC Standard InChIKey: YBMDPYAEZDJWNY-UHFFFAOYSA-N Copy
• 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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• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • References
  • Notes
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Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

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^-

 +  = C₅F₈I^-

By formula: I^- + C₅F₈ = C₅F₈I^-

 +  = C₅BrF₈^-

By formula: Br^- + C₅F₈ = C₅BrF₈^-

C₅ClF₈^- + 2 = C₁₀ClF₁₆^-

By formula: C₅ClF₈^- + 2C₅F₈ = C₁₀ClF₁₆^-

C₅F₉^- + 2 = C₁₀F₁₇^-

By formula: C₅F₉^- + 2C₅F₈ = C₁₀F₁₇^-

 +  = C₅F₉^-

By formula: F^- + C₅F₈ = C₅F₉^-

Ion clustering 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = C₅BrF₈^-

By formula: Br^- + C₅F₈ = C₅BrF₈^-

C₅ClF₈^- + 2 = C₁₀ClF₁₆^-

By formula: C₅ClF₈^- + 2C₅F₈ = C₁₀ClF₁₆^-

C₅F₉^- + 2 = C₁₀F₁₇^-

By formula: C₅F₉^- + 2C₅F₈ = C₁₀F₁₇^-

 +  = C₅ClF₈^-

By formula: Cl^- + C₅F₈ = C₅ClF₈^-

 +  = C₅F₉^-

By formula: F^- + C₅F₈ = C₅F₉^-

 +  = C₅F₈I^-

By formula: I^- + C₅F₈ = C₅F₈I^-

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

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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

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• 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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