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

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.

* v
* t
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Iron compounds

Fe(-II)|

* Na2Fe(CO)4

Fe(0)|

* Fe(CO)5
* Fe2(CO)9
* Fe3(CO)12
* Fe(CO)3CH3COC2H2C6H6

Fe(I)|

* FeH

| Organoiron(I) compounds|

* (C5H5FeCO)2(CO)2

|

Fe(0,II)|

* Fe3C

Fe(II)|

* FeBr2
* FeCl2
* FeF2
* FeI2
* FeH2
* FeMoO4
* FeO
* Fe(OH)2
* FeS
* FeSO4
* FeSe
* FeSeO4
* FeSi2
* FeTiO3
* FeCO3
* FeC2O4
* Fe(C2H3O2)2
* Fe(C3H5O3)2
* FeC6H6O7
* FeC12H22O14
* Fe2CrO4
* Fe3(PO4)2
* H2Fe(CO)4
* Fe(HCO3)2
* Mg2FeH6

| Organoiron(II) compounds|

* Fe(C5H5)2
* Fe(C5H4P(C6H5)2)2
* C4H4Fe(CO)3
* C4H6Fe(CO)3

|

Fe(0,III)|

* Fe3P

Fe(II,III)|

* Fe3O4
* Fe3S4

Fe(III)|

* FeBr3
* FeCl3
* FeF3
* FeI3
* Fe(NO3)3
* Fe(acac)3
* FeOCl
* FeO(OH)
* FePO4
* Fe4(P2O7)3
* Fe2(CrO4)3
* Fe2(C2O4)3
* Fe2O3
* Fe2S3
* Fe2(SO4)3
* FeBO3
* FeB

| Organoiron(III) compounds|

* Fe(C5H5)2BF4
* C6H8O7⋅xFe3+⋅yNH3

|

Fe(VI)|

* K2FeO4
* BaFeO4

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