MolBase

Compound: [SiF4]

Owner Referee Record added Record modified CAS Registry MolBase ID MolBase status
Sarah Spinks Mark Winter 24 Nov 2004 17:52 24 Nov 2004 17:57 [7783-61-1] 1262 Submitted

Tetrafluorosilane
Silicon tetrafluoride

Compound formula

Central atom Formula Structural formula Isomer label Charge Formula weight Specific rotation label Absolute rotation label
silicon (Si) F4Si1 [SiF4] 0 104.079

Classification for Si

This compound is regarded as a discrete molecular species.

Oxidation number MLXZ class Coordination number (CN) Donor set Total valence electron count VE configuration Magnetism Block
4 MX4 4 F4 8 p0 diamagnetic p

Contributed properties

Geometry about Si Point group Distortion type Physical state Colour Melting point
tetrahedral (4) gas Colourless/white not given

Notes

Mass 104.0 Toxic

Key references

  1. Dictionary of Inorganic Compounds ID: IC- 018468

3D structure




Synthesis

F2 + Si or by thermal decomposition of BaSiF6

Reactions

Used in decomposition of amorphous silicon films. Rapidly hydrolised

Other calculated properties

Element percentages

    F     73.02%
   Si     26.98%

Isotope pattern

     104  100.00  __________________________________________________
     105    5.08  ___
     106    3.35  __