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Phosphorus trifluorodichloride

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Phosphorus trifluorodichloride
Identifiers
CAS Number
ChemSpider
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Cl2F3P/c1-6(2,3,4)5Key: PYMHWNZNAIBFHU-UHFFFAOYSA-N
SMILES
  • FP(F)(Cl)(Cl)Cl
Properties
Chemical formula Cl2F3P
Molar mass 158.87 g·mol
Appearance Colorless gas
Related compounds
Other cations antimony trifluorodichloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Phosphorus trifluorodichloride is a chemical compound with the chemical formula PF3Cl2. The covalent molecule trigonal bipyramidal molecular geometry. The central phosphorus atom has spd hybridization, and the molecule has an asymmetric charge distribution. It appears as a colorless gas with a disagreeable odor, and it turns into a liquid at -8 °C.

Phosphorus trifluorodichloride is formed by mixing phosphorus trifluoride with chlorine PF3 + Cl2 → PF3Cl2

The P-F bond length is 1.546 Å for equatorial position and 1.593 for the axial position and the P-Cl bond length is 2.004 Å. The chlorine atoms are in equatorial positions in the molecule.

References

  1. Yaws, Carl L. (2014). "Thermal Conductivity of Gas – Inorganic Compounds". Transport Properties of Chemicals and Hydrocarbons. pp. 384–388. doi:10.1016/B978-0-323-28658-9.00006-8. ISBN 978-0-323-28658-9.
  2. ^ French, Richard J.; Hedberg, Kenneth; Shreeve, Jeanne M.; Gupta, Krishna D. (August 1985). "Dichlorotrifluorophosphorane (PCl2F3): molecular structure by gas-phase electron diffraction and quadratic force field". Inorganic Chemistry. 24 (18): 2774–2777. doi:10.1021/ic00212a014.


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