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Phosphorus Trifluoride PF3

Gabriella Bercey 1st Block

Molecule Uses

Molecule Uses

  • Chemical Synthesis
  • Fluorinating Agent
  • Semiconductors
  • Lithium Batteries
  • Rocket Propellants
  • Phosphorus Source
  • Ligand in Metal Complexes

Molecule Properties

Molecule Properties

  • Melting Point: -151.5 C
  • Boiling Point: -101.3 C
  • Density: 3.91 g/cm3
  • Reactivity: Moderate (varies with substances)
  • Colorless Gas, nonflammable, foul & pungent odor, highly toxic, and sparingly soluable in water.

Lewis Structures

Lewis Structure

The lewis structure of PF3 has 1 phosphorus, and 3 fluorine atoms. Each fluorine shares 1 electron with the phosphorus atom to create octets for each atom. The dots around the symbol is the valence electrons and the lines connecting the atoms is the bonded pairs.

VSEPR Shape

VSEPR Shape

The molecular shape of PF3 is trigonal pyramid. The angle bond of PF3 based on the molecular shape is 109.5 degrees. As far as overall polarity, it is polar.

Synthesis Reaction

Synthesis Reaction

Phosphorus Trifluoride is synthisized from phosphorus trichloride by exchanging halogens with different fluorides. The example given is zinc fluoride. 2 PCl3 + 3 ZnF2 → 2 PF3 + 3 ZnCl. There aren't any by-products of the reaction.

Current/Recent Events

It had been discovered in 2013 that phosphorus trifluoride can be synthesized from CO dissolving metal reduction.

Current/Recent Events

Works Cited

Title

“Phosphorus Trifluoride.” Wikipedia, Wikimedia Foundation, 30 Oct. 2022, en.wikipedia.org/wiki/Phosphorus_trifluoride#:~:text=Its%20main%20use%20is%20as,similar%20way%20to%20carbon%20monoxide.

“24.2d: Phosphine and Related Ligands.” Chemistry LibreTexts, Libretexts, 3 May 2023, chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Map%3A_Inorganic_Chemistry_(Housecroft)/24%3A_Organometallic_chemistry-_d-block_elements/24.02%3A_Common_Types_of_Ligand_-_Bonding_and_Spectroscopy/24.2D%3A_Phosphine_and_Related_Ligands.

Hickman, Daniel. “New Evidence for CO and PF3 Analogy.” ChemistryViews, 29 Oct. 2013, www.chemistryviews.org/details/news/5337741/New_Evidence_for_CO_and_PF3_Analogy/.

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