Diiron silicide

Diiron silicide

Names
IUPAC name Diiron silicide
Identifiers
3D model (JSmol)	Interactive image
PubChem CID	24945630
InChI InChI=1S/2Fe.Si Key: JQEFXLZKSTUUEC-UHFFFAOYSA-N
SMILES [Si].[Fe].[Fe]
Properties
Chemical formula	Fe2Si
Molar mass	139.78 g/mol
Structure
Crystal structure	Trigonal (Ni2Al-type)[1]
Space group	P3m1 (No. 161), hP6
Lattice constant	a = 0.281 nm, b = 0.281 nm, c = 0.281 nm
Formula units (Z)	1
Hazards
Flash point	Non-flammable
Related compounds
Other cations	Dicobalt silicide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N (what is YN ?)
Infobox references

Diiron silicide (Fe₂Si) is an intermetallic compound, a silicide of iron. It occurs in cosmic dust as the mineral hapkeite. It is a non-stoichiometric compound where the Fe:Si ratio depends on the sample preparation. A related compound Fe₅Si₃ occurs in nature as the mineral xifengite.

See also

• Ferrosilicon

References

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