Diiron Silicide

From Handwiki
Diiron silicide
Names
IUPAC name
Diiron silicide
Identifiers
3D model (JSmol)
  • Interactive image
PubChem CID
  • 24945630
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).
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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

  1. Khalaff, K.; Schubert, K. (1974). "Kristallstruktur von Fe2Si(h)". Journal of the Less Common Metals 35 (2): 341–345. doi:10.1016/0022-5088(74)90247-1. 



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Categories: [Iron compounds] [Transition metal silicides]


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