Structure via PubChem · Public domain (PubChem)
hexafluorophosphate ion
Sign in to saveAlso known as [PF6](-), PF6(-)
Hexafluorophosphate is an anion with chemical formula of . It is an octahedral species that imparts no color to its salts. is isoelectronic with sulfur hexafluoride, , and the hexafluorosilicate dianion, , and hexafluoroantimonate . In this anion, phosphorus has a valence of 5. Being poorly nucleophilic, hexafluorophosphate is classified as a non-coordinating anion.
Chemical data
- Formula
- F6P-
- Molecular weight
- 144.964181 g/mol
- IUPAC name
- hexafluorophosphate
- SMILES
- F[P-](F)(F)(F)(F)F
- InChIKey
- LJQLCJWAZJINEB-UHFFFAOYSA-N
- XLogP
- 3.2
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 7
- Formal charge
- -1
via PubChem
Wikidata facts
- Has part
- fluorine
- Mass
- 144.964
Show 4 more facts
- Commons category
- Hexafluorophosphate ion
- conjugate acid
- hexafluorophosphoric acid
- canonical SMILES
- F[P-](F)(F)(F)(F)F
- chemical formula
- F₆P⁻
via Wikidata · CC0
~5 min read
Encyclopedic overview
9 sectionsContents
- Synthesis
- Quantitative analysis
- Reactions
- Organometallic and inorganic synthesis
- Hydrolysis of hexafluorophosphate complexes
- Applications
- Secondary batteries
- Ionic liquids
- References
Hexafluorophosphate is an anion with chemical formula of . It is an octahedral species that imparts no color to its salts. is isoelectronic with sulfur hexafluoride, , and the hexafluorosilicate dianion, , and hexafluoroantimonate . In this anion, phosphorus has a valence of 5. Being poorly nucleophilic, hexafluorophosphate is classified as a non-coordinating anion.
==Synthesis== thumb|left|Crystals of ferrocenium hexafluorophosphate, Hexafluorophosphate salts can be prepared by the reaction of phosphorus pentachloride and alkali or ammonium halide in a solution of hydrofluoric acid:
Excerpted from Wikipedia’s “hexafluorophosphate ion” article, available under the CC BY-SA 4.0 licence.