Cyclobutaphosphane, tetrakis(trifluoromethyl)-

• Formula: C₄F₁₂P₄
• Molecular weight: 399.9187
• IUPAC Standard InChI: InChI=1S/C4F12P4/c5-1(6,7)17-18(2(8,9)10)20(4(14,15)16)19(17)3(11,12)13 Copy

  
• IUPAC Standard InChIKey: TVWVWIPMQJSXJS-UHFFFAOYSA-N Copy
• CAS Registry Number: 393-02-2
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Tetraphosphetane,tetrakis(trifluoromethyl)-; 1,2,3,4Tetra-kis(trifluoromethyl)cyclotetraphosphine
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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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 by: William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Enthalpy of sublimation

Gas phase ion energetics 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:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

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.

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Mahler and Burg, 1958
Mahler, Walter; Burg, Anton B., The Cyclopolyphosphines (CF ₃ P) ₄ and (CF ₃ P) ₅ , and Related Chemistry ¹, J. Am. Chem. Soc., 1958, 80, 23, 6161-6167, https://doi.org/10.1021/ja01556a004 . [all data]

Elbel, Egsgaard, et al., 1988
Elbel, S.; Egsgaard, H.; Carlsen, L., Ionization energies and thermal fragmentation patterns of gaseous cyclopolyarsanes and phosphanes En, Rn(E = As or P;R = Me, Bu, or CF₃; n = 3-5): A joint temperature-variable field ionization mass spectrometric and ultraviolet photoelectron spectroscopic study, J. Chem. Soc. Dalton Trans., 1988, 195. [all data]

Cowley, Dewar, et al., 1978
Cowley, A.H.; Dewar, M.J.S.; Lattman, M.; Mills, J.L.; McKee, M., An ultraviolet photoelectron spectroscopic molecular orbital study of some cyclopolyphosphines, J. Am. Chem. Soc., 1978, 100, 3349. [all data]

Cowley, Dewar, et al., 1974
Cowley, A.H.; Dewar, M.J.S.; Goodman, D.W.; Padolina, M.C., A photoelectron spectroscopic study of polyphosphines. The question of pπ:dπ bonding, J. Am. Chem. Soc., 1974, 96, 3666. [all data]

Notes

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• Symbols used in this document:
  

  ΔsubH	Enthalpy of sublimation
  ΔvapH	Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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