Compound: [PrF4]

Owner Referee Record added Record modified CAS Registry MolBase ID MolBase status
Katie Tossell Mark Winter 29 Nov 2004 13:57 29 Nov 2004 14:06 [15192-24-2] 1363 Submitted

Praseodymium tetrafluoride
Praseodymium(IV) fluoride

Compound formula

Central atom Formula Structural formula Isomer label Charge Formula weight Specific rotation label Absolute rotation label
praesodymium (Pr) F4Pr1 [PrF4] 0 216.901

Classification for Pr

This compound is regarded as an extended lattice so some entries in the next table are not computed.

Oxidation number MLXZ class Coordination number (CN) Donor set Total valence electron count VE configuration Magnetism Block
4 8 f1 paramagnetic f

Contributed properties

Geometry about Pr Point group Distortion type Physical state Colour Melting point
square antiprismatic (8) solid Yellow/cream not given


Cream solid (monoclinic cryst.) Has UF4 structure.

Key references

  1. Dictionary of Inorganic Compounds ID: IC-018455

3D structure


Can be synthesised from KrF2 and PrO2 or PrO11 at room temperature.


It decomposes above 90 degrees to PrF3

Other calculated properties

Element percentages

    F     35.04%
   Pr     64.96%

Isotope pattern

     217  100.00  __________________________________________________